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Postolka B, Killen BA, Boey H, Malaquias TM, Natsakis T, Clockaerts S, Misselyn D, Coudyzer W, Vander Sloten J, Jonkers I. Hindfoot kinematics and kinetics - A combined in vivo and in silico analysis approach. Gait Posture 2024; 112:8-15. [PMID: 38723393 DOI: 10.1016/j.gaitpost.2024.04.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 03/13/2024] [Accepted: 04/23/2024] [Indexed: 06/23/2024]
Abstract
BACKGROUND The complex anatomical structure of the foot-ankle imposes challenges to accurately quantify detailed hindfoot kinematics and estimate musculoskeletal loading parameters. Most systems used to capture or estimate dynamic joint function oversimplify the anatomical structure by reducing its complexity. RESEARCH QUESTION Can four dimensional computed tomography (4D CT) imaging in combination with an innovative foot manipulator capture in vivo hindfoot kinematics during a simulated stance phase of walking and can talocrural and subtalar articular joint mechanics be estimated based on a detailed in silico musculoskeletal foot-ankle model. METHODS A foot manipulator imposed plantar/dorsiflexion and inversion/eversion representing a healthy stance phase of gait in 12 healthy participants while simultaneously acquiring 4D CT images. Participant-specific 3D hindfoot rotations and translations were calculated based on bone-specific anatomical coordinate systems. Articular cartilage contact area and contact pressure of the talocrural and subtalar joints were estimated using an extended foot-ankle model updated with an elastic foundation contact model upon prescribing the participant-specific rotations measured in the 4D CT measurement. RESULTS Plantar/dorsiflexion predominantly occurred at the talocrural joint (RoM 15.9±3.9°), while inversion/eversion (RoM 5.9±3.9°) occurred mostly at the subtalar joint, with the contact area being larger at the subtalar than at the talocrural joint. Contact pressure was evenly distributed between the talocrural and subtalar joint at the beginning of the simulated stance phase but was then redistributed from the talocrural to the subtalar joint with increasing dorsiflexion. SIGNIFICANCE In a clinical case study, the healthy participants were compared with four patients after surgically treaded intra-articular calcaneal fracture. The proposed workflow was able to detect small but meaningful differences in hindfoot kinematics and kinetics, indicative of remaining hindfoot pathomechanics that may influence the onset and progression of degenerative joint diseases.
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Affiliation(s)
- Barbara Postolka
- KU Leuven, Department of Movement Sciences, Human Movement Biomechanics Research Group, Tervuursevest 101, Leuven 3001, Belgium.
| | - Bryce A Killen
- KU Leuven, Department of Movement Sciences, Human Movement Biomechanics Research Group, Tervuursevest 101, Leuven 3001, Belgium
| | - Hannelore Boey
- KU Leuven, Department of Movement Sciences, Human Movement Biomechanics Research Group, Tervuursevest 101, Leuven 3001, Belgium; KU Leuven, Department of Mechanical Engineering, Biomechanics Section, Celestijnenlaan 300C, Leuven 3001, Belgium
| | - Tiago M Malaquias
- KU Leuven, Department of Mechanical Engineering, Biomechanics Section, Celestijnenlaan 300C, Leuven 3001, Belgium
| | - Tassos Natsakis
- KU Leuven, Department of Mechanical Engineering, Biomechanics Section, Celestijnenlaan 300C, Leuven 3001, Belgium; Technical University of Cluj-Napoca, Department of Automation, Dorobantilor 71-73, Cluj-Napoca 400268, Romania
| | - Stefan Clockaerts
- Holy Heart Hospital Lier, Department of Orthopaedic Surgery and Traumatology, Mechelsesteenweg 24, Lier 2500, Belgium
| | - Dominique Misselyn
- UZ Leuven, Department of Development and Regeneration, Herestraat 49, Leuven 3000, Belgium
| | | | - Jos Vander Sloten
- KU Leuven, Department of Mechanical Engineering, Biomechanics Section, Celestijnenlaan 300C, Leuven 3001, Belgium
| | - Ilse Jonkers
- KU Leuven, Department of Movement Sciences, Human Movement Biomechanics Research Group, Tervuursevest 101, Leuven 3001, Belgium
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Scataglini S, Abts E, Van Bocxlaer C, Van den Bussche M, Meletani S, Truijen S. Accuracy, Validity, and Reliability of Markerless Camera-Based 3D Motion Capture Systems versus Marker-Based 3D Motion Capture Systems in Gait Analysis: A Systematic Review and Meta-Analysis. SENSORS (BASEL, SWITZERLAND) 2024; 24:3686. [PMID: 38894476 PMCID: PMC11175331 DOI: 10.3390/s24113686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/22/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024]
Abstract
(1) Background: Marker-based 3D motion capture systems (MBS) are considered the gold standard in gait analysis. However, they have limitations for which markerless camera-based 3D motion capture systems (MCBS) could provide a solution. The aim of this systematic review and meta-analysis is to compare the accuracy, validity, and reliability of MCBS and MBS. (2) Methods: A total of 2047 papers were systematically searched according to PRISMA guidelines on 7 February 2024, in two different databases: Pubmed (1339) and WoS (708). The COSMIN-tool and EBRO guidelines were used to assess risk of bias and level of evidence. (3) Results: After full text screening, 22 papers were included. Spatiotemporal parameters showed overall good to excellent accuracy, validity, and reliability. For kinematic variables, hip and knee showed moderate to excellent agreement between the systems, while for the ankle joint, poor concurrent validity and reliability were measured. The accuracy and concurrent validity of walking speed were considered excellent in all cases, with only a small bias. The meta-analysis of the inter-rater reliability and concurrent validity of walking speed, step time, and step length resulted in a good-to-excellent intraclass correlation coefficient (ICC) (0.81; 0.98). (4) Discussion and conclusions: MCBS are comparable in terms of accuracy, concurrent validity, and reliability to MBS in spatiotemporal parameters. Additionally, kinematic parameters for hip and knee in the sagittal plane are considered most valid and reliable but lack valid and accurate measurement outcomes in transverse and frontal planes. Customization and standardization of methodological procedures are necessary for future research to adequately compare protocols in clinical settings, with more attention to patient populations.
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Affiliation(s)
- Sofia Scataglini
- 4D4ALL Laboratory, Department of Rehabilitation Sciences and Physiotherapy, Center for Health and Technology (CHaT), Faculty of Medicine and Health Sciences, University of Antwerp, 2000 Antwerpen, Belgium; (E.A.); (C.V.B.); (M.V.d.B.); (S.M.); (S.T.)
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Turner JA, Chaaban CR, Padua DA. Validation of OpenCap: A low-cost markerless motion capture system for lower-extremity kinematics during return-to-sport tasks. J Biomech 2024; 171:112200. [PMID: 38905926 DOI: 10.1016/j.jbiomech.2024.112200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 06/08/2024] [Accepted: 06/14/2024] [Indexed: 06/23/2024]
Abstract
Low-cost markerless motion capture systems offer the potential for 3D measurement of joint angles during human movement. This study aimed to validate a smartphone-based markerless motion capture system's (OpenCap) derived lower extremity kinematics during common return-to-sport tasks, comparing it to an established optoelectronic motion capture system. Athletes with prior anterior cruciate ligament reconstruction (12-18 months post-surgery) performed three movements: a jump-landing-rebound, single-leg hop, and lateral-vertical hop. Kinematics were recorded concurrently with two smartphones running OpenCap's software and with a 10-camera, marker-based motion capture system. Validity of lower extremity joint kinematics was assessed across 437 recorded trials using measures of agreement (coefficient of multiple correlation: CMC) and error (mean absolute error: MAE, root mean squared error: RMSE) across the time series of movement. Agreement was best in the sagittal plane for the knee and hip in all movements (CMC > 0.94), followed by the ankle (CMC = 0.84-0.93). Lower agreement was observed for frontal (CMC = 0.47-0.78) and transverse (CMC = 0.51-0.6) plane motion. OpenCap presented a grand mean error of 3.85° (MAE) and 4.34° (RMSE) across all joint angles and movements. These results were comparable to other available markerless systems. Most notably, OpenCap's user-friendly interface, free software, and small physical footprint have the potential to extend motion analysis applications beyond conventional biomechanics labs, thus enhancing the accessibility for a diverse range of users.
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Affiliation(s)
- Jeffrey A Turner
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, NC, USA; Human Movement Science Curriculum, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
| | - Courtney R Chaaban
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, NC, USA; Human Movement Science Curriculum, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
| | - Darin A Padua
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, NC, USA; Human Movement Science Curriculum, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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Behling AV, Welte L, Kelly L, Rainbow MJ. Human in vivo midtarsal and subtalar joint kinematics during walking, running and hopping. J R Soc Interface 2024; 21:20240074. [PMID: 38807524 DOI: 10.1098/rsif.2024.0074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 04/08/2024] [Indexed: 05/30/2024] Open
Abstract
The interaction among joints of the midtarsal complex and subtalar joint is important for locomotor function; however, its complexity poses substantial challenges in quantifying the joints' motions. We determine the mobility of these joints across locomotion tasks and investigate the influence of individual talus morphology on their motion. Using highly accurate biplanar videoradiography, three-dimensional bone kinematics were captured during walking, running and hopping. We calculated the axis of rotation of the midtarsal complex and subtalar joint for the landing and push-off phases. A comparison was made between these rotation axes and the morphological subtalar axis. Measurement included total rotation about and the orientation of the rotation axes in the direction of the subtalar joint and its deviation via spatial angles for both phases. The rotation axes of all three bones relative to the talus closely align with the morphological subtalar axis. This suggests that the midtarsal and subtalar joints' motions might be described by one commonly oriented axis. Despite having such an axis, the location of the axes and ranges of motion differed among the bones. Our results provide a novel perspective of healthy foot function across different sagittal plane-dominant locomotion tasks underscoring the importance of quantifying midtarsal complex and subtalar motion while accounting for an individual's talus morphology.
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Affiliation(s)
- Anja-Verena Behling
- School of Human Movement and Nutrition Science, The University of Queensland , Brisbane, Queensland, Australia
- Department of Mechanical and Materials Engineering, Queen's University , Kingston, Ontario, Canada
| | - Lauren Welte
- Mechanical Engineering, University of Alberta , Edmonton, Alberta, Canada
- Biomedical Engineering, University of Alberta , Edmonton, Alberta, Canada
| | - Luke Kelly
- School of Human Movement and Nutrition Science, The University of Queensland , Brisbane, Queensland, Australia
- Griffith Centre of Biomedical & Rehabilitation Engineering, Griffith University , Gold Coast, Queensland, Australia
- School of Health Sciences & Social Work, Griffith University , Gold Coast, Queensland, Australia
| | - Michael J Rainbow
- Department of Mechanical and Materials Engineering, Queen's University , Kingston, Ontario, Canada
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Torvinen P, Ruotsalainen KS, Zhao S, Cronin N, Ohtonen O, Linnamo V. Evaluation of 3D Markerless Motion Capture System Accuracy during Skate Skiing on a Treadmill. Bioengineering (Basel) 2024; 11:136. [PMID: 38391622 PMCID: PMC10886413 DOI: 10.3390/bioengineering11020136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/23/2024] [Accepted: 01/26/2024] [Indexed: 02/24/2024] Open
Abstract
In this study, we developed a deep learning-based 3D markerless motion capture system for skate skiing on a treadmill and evaluated its accuracy against marker-based motion capture during G1 and G3 skating techniques. Participants performed roller skiing trials on a skiing treadmill. Trials were recorded with two synchronized video cameras (100 Hz). We then trained a custom model using DeepLabCut, and the skiing movements were analyzed using both DeepLabCut-based markerless motion capture and marker-based motion capture systems. We statistically compared joint centers and joint vector angles between the methods. The results demonstrated a high level of agreement for joint vector angles, with mean differences ranging from -2.47° to 3.69°. For joint center positions and toe placements, mean differences ranged from 24.0 to 40.8 mm. This level of accuracy suggests that our markerless approach could be useful as a skiing coaching tool. The method presents interesting opportunities for capturing and extracting value from large amounts of data without the need for markers attached to the skier and expensive cameras.
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Affiliation(s)
- Petra Torvinen
- Faculty of Sport and Health Sciences, University of Jyväskylä, 88610 Jyväskylä, Finland
| | - Keijo S Ruotsalainen
- Faculty of Sport and Health Sciences, University of Jyväskylä, 88610 Jyväskylä, Finland
| | - Shuang Zhao
- Faculty of Sport and Health Sciences, University of Jyväskylä, 88610 Jyväskylä, Finland
| | - Neil Cronin
- Faculty of Sport and Health Sciences, University of Jyväskylä, 88610 Jyväskylä, Finland
| | - Olli Ohtonen
- Faculty of Sport and Health Sciences, University of Jyväskylä, 88610 Jyväskylä, Finland
| | - Vesa Linnamo
- Faculty of Sport and Health Sciences, University of Jyväskylä, 88610 Jyväskylä, Finland
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Schuster RW, Cresswell AG, Kelly LA. Human foot form and function: variable and versatile, yet sufficiently related to predict function from form. Proc Biol Sci 2024; 291:20232543. [PMID: 38196364 PMCID: PMC10777145 DOI: 10.1098/rspb.2023.2543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 11/27/2023] [Indexed: 01/11/2024] Open
Abstract
The human foot is a complex structure that plays an important role in our capacity for upright locomotion. Comparisons of our feet with those of our closest extinct and extant relatives have linked shape features (e.g. the longitudinal and transverse arches, heel size and toe length) to specific mechanical functions. However, foot shape varies widely across the human population, so it remains unclear if and how specific shape variants are related to locomotor mechanics. Here we constructed a statistical shape-function model (SFM) from 100 healthy participants to directly explore the relationship between the shape and function of our feet. We also examined if we could predict the joint motion and moments occurring within a person's foot during locomotion based purely on shape features. The SFM revealed that the longitudinal and transverse arches, relative foot proportions and toe shape along with their associated joint mechanics were most variable. However, each of these only accounted for small proportions of the overall variation in shape, deformation and joint mechanics, most likely owing to the high structural complexity of the foot. Nevertheless, a leave-one-out analysis showed that the SFM can accurately predict joint mechanics of a novel foot, based on its shape and deformation.
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Affiliation(s)
- Robert W. Schuster
- School of Human Movement and Nutrition Sciences, The University of Queensland, Saint Lucia, Queensland, 4067, Australia
- Griffith Centre of Biomedical and Rehabilitation Engineering, Griffith University, Gold Coast, Queensland, 4215, Australia
- School of Health Sciences and Social Work, Griffith University, Gold Coast, Queensland, 4215, Australia
| | - Andrew G. Cresswell
- School of Human Movement and Nutrition Sciences, The University of Queensland, Saint Lucia, Queensland, 4067, Australia
| | - Luke A. Kelly
- School of Human Movement and Nutrition Sciences, The University of Queensland, Saint Lucia, Queensland, 4067, Australia
- Griffith Centre of Biomedical and Rehabilitation Engineering, Griffith University, Gold Coast, Queensland, 4215, Australia
- School of Health Sciences and Social Work, Griffith University, Gold Coast, Queensland, 4215, Australia
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Conconi M, Pompili A, Sancisi N, Durante S, Leardini A, Belvedere C. Foot kinematics as a function of ground orientation and weightbearing. J Orthop Res 2024; 42:148-163. [PMID: 37442638 DOI: 10.1002/jor.25661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/25/2023] [Accepted: 07/10/2023] [Indexed: 07/15/2023]
Abstract
The foot is responsible for the bodyweight transfer to the ground, while adapting to different terrains and activities. Despite this fundamental role, the knowledge about the foot bone intrinsic kinematics is still limited. The aim of the study is to provide a quantitative and systematic description of the kinematics of all bones in the foot, considering the full range of dorsi/plantar flexion and pronation/supination of the foot, both in weightbearing and nonweightbearing conditions. Bone kinematics was accurately reconstructed for three specimens from a series of computed tomography scans taken in weightbearing configuration. The ground inclination was imposed through a set of wedges, varying the foot orientation both in the sagittal and coronal planes; the donor body-weight was applied or removed by a cable-rig. A total of 32 scans for each foot were acquired and segmented. Bone kinematics was expressed in terms of anatomical reference systems optimized for the foot kinematic description. Results agree with previous literature where available. However, our analysis reveals that bones such as calcaneus, navicular, intermediate cuneiform, fourth and fifth metatarsal move more during foot pronation than flexion. Weightbearing significantly increase the range of motion of almost all the bone. Cuneiform and metatarsal move more due to weightbearing than in response to ground inclination, showing their role in the load-acceptance phase. The data here reported represent a step toward a deeper understanding of the foot behavior, that may help in the definition of better treatment and medical devices, as well as new biomechanical model of the foot.
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Affiliation(s)
- Michele Conconi
- Department of Industrial Engineering-DIN, University of Bologna, Bologna, Italy
| | - Alessandro Pompili
- Department of Industrial Engineering-DIN, University of Bologna, Bologna, Italy
| | - Nicola Sancisi
- Department of Industrial Engineering-DIN, University of Bologna, Bologna, Italy
| | - Stefano Durante
- Area Tecnico Diagnostica Radiologica, IRCCS S. Orsola Malpighi Hospital, Bologna, Italy
| | - Alberto Leardini
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Claudio Belvedere
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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Wade L, Needham L, Evans M, McGuigan P, Colyer S, Cosker D, Bilzon J. Examination of 2D frontal and sagittal markerless motion capture: Implications for markerless applications. PLoS One 2023; 18:e0293917. [PMID: 37943887 PMCID: PMC10635560 DOI: 10.1371/journal.pone.0293917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 10/21/2023] [Indexed: 11/12/2023] Open
Abstract
This study examined if occluded joint locations, obtained from 2D markerless motion capture (single camera view), produced 2D joint angles with reduced agreement compared to visible joints, and if 2D frontal plane joint angles were usable for practical applications. Fifteen healthy participants performed over-ground walking whilst recorded by fifteen marker-based cameras and two machine vision cameras (frontal and sagittal plane). Repeated measures Bland-Altman analysis illustrated that markerless standard deviation of bias and limits of agreement for the occluded-side hip and knee joint angles in the sagittal plane were double that of the camera-side (visible) hip and knee. Camera-side sagittal plane knee and hip angles were near or within marker-based error values previously observed. While frontal plane limits of agreement accounted for 35-46% of total range of motion at the hip and knee, Bland-Altman bias and limits of agreement (-4.6-1.6 ± 3.7-4.2˚) were actually similar to previously reported marker-based error values. This was not true for the ankle, where the limits of agreement (± 12˚) were still too high for practical applications. Our results add to previous literature, highlighting shortcomings of current pose estimation algorithms and labelled datasets. As such, this paper finishes by reviewing methods for creating anatomically accurate markerless training data using marker-based motion capture data.
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Affiliation(s)
- Logan Wade
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, United Kingdom
| | - Laurie Needham
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, United Kingdom
| | - Murray Evans
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, United Kingdom
| | - Polly McGuigan
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, United Kingdom
| | - Steffi Colyer
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, United Kingdom
| | - Darren Cosker
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, United Kingdom
| | - James Bilzon
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, United Kingdom
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Willwacher S, Robbin J, Eßer T, Mai P. [Motion analysis systems in research and for practicing orthopedists]. ORTHOPADIE (HEIDELBERG, GERMANY) 2023:10.1007/s00132-023-04404-3. [PMID: 37391676 DOI: 10.1007/s00132-023-04404-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/12/2023] [Indexed: 07/02/2023]
Abstract
BACKGROUND Complex biomechanical motion analysis can provide relevant information for a variety of orthopedic problems. When purchasing motion analysis systems, in addition to the classical measurement quality criteria (validity, reliability, objectivity), spatial and temporal conditions, as well as the requirements for the qualification of the measuring personnel should be considered. APPLICATION In complex movement analysis, systems are used to determine kinematics, kinetics and muscle activity (electromyography). This article gives an overview of methods of complex biomechanical motion analysis for use in orthopaedic research or for individual patient care. In addition to the use for pure movement analysis, the use of movement analysis methods in the field of biofeedback training is discussed. ACQUISITION For the specific acquisition of motion analysis systems, it is recommended to contact professional societies (e.g., the German Society for Biomechanics),universities with existing motion analysis facilities or distributors in the field of biomechanics.
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Affiliation(s)
- Steffen Willwacher
- Institute for Advanced Biomechanics and Motion Studies, Hochschule Offenburg, Max-Planck-Str. 1, 77656, Offenburg, Deutschland.
| | - Johanna Robbin
- Institute for Advanced Biomechanics and Motion Studies, Hochschule Offenburg, Max-Planck-Str. 1, 77656, Offenburg, Deutschland
| | - Tanja Eßer
- Institut für Funktionelle Diagnostik, Köln, Deutschland, Im Mediapark 2, 50670
| | - Patrick Mai
- Institute for Advanced Biomechanics and Motion Studies, Hochschule Offenburg, Max-Planck-Str. 1, 77656, Offenburg, Deutschland
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Wren TAL, Isakov P, Rethlefsen SA. Comparison of kinematics between Theia markerless and conventional marker-based gait analysis in clinical patients. Gait Posture 2023; 104:9-14. [PMID: 37285635 DOI: 10.1016/j.gaitpost.2023.05.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 05/09/2023] [Accepted: 05/30/2023] [Indexed: 06/09/2023]
Abstract
BACKGROUND Markerless motion capture systems have the potential to make clinical gait analysis more efficient and convenient. Theia3D is a commercially available markerless system that may serve as an alternative to traditional gait analysis for clinical gait laboratories. RESEARCH QUESTION What is the concurrent validity of markerless gait analysis using Theia3D compared to traditional marker-based gait analysis in pediatric clinical gait patients? METHODS Thirty-six patients (20 male, age 2-25 years) with a range of diagnoses underwent clinical gait analysis with data being captured concurrently by a traditional marker-based motion capture system (Vicon Nexus) and a commercial markerless system (Theia3D). Multiple left strides were averaged for each subject, and the difference in kinematics (Theia - Vicon) was calculated over the gait cycle and evaluated using root mean square difference (RMSD), mean difference, and RMSD after subtracting the mean value across the gait cycle (RMSDoffset). Sub-analysis was performed for 25 patients with foot deformities, 9 wearing ankle-foot orthoses, and 6 walking with assistance (cane, crutches, walker, or handheld). RESULTS Kinematics showed similar patterns between the marker-based and markerless systems. RMSD was < 6° except for pelvic tilt, hip flexion, ankle inversion, foot progression, and transverse plane rotation of the hip, knee, and ankle. These measures mainly differed due to an offset between the curves. After adjusting for offsets, all RMSDoffset were < 6°. RMSD was larger for patients with foot deformities, wearing orthoses, or using assistive devices, but all RMSDoffset were still < 8°. In some cases, however, the markerless system had greater trial-to-trial variability, showed a larger knee varus "bump" in swing, or failed to track the subject. SIGNIFICANCE This study provides preliminary evidence of concurrent validity of Theia3D for pediatric patients with abnormal gait. However, some questions remain regarding identification of the knee axis and for patients with foot deformity or assistive devices.
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Affiliation(s)
- Tishya A L Wren
- Jackie and Gene Autry Orthopaedic Center, Children's Hospital Los Angeles, Los Angeles, USA; Departments of Orthopaedic Surgery, Radiology, and Biomedical Engineering, University of Southern California, Los Angeles, USA.
| | - Pavel Isakov
- Jackie and Gene Autry Orthopaedic Center, Children's Hospital Los Angeles, Los Angeles, USA
| | - Susan A Rethlefsen
- Jackie and Gene Autry Orthopaedic Center, Children's Hospital Los Angeles, Los Angeles, USA
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Welte L, Holowka NB, Kelly LA, Arndt A, Rainbow MJ. Mobility of the human foot's medial arch helps enable upright bipedal locomotion. Front Bioeng Biotechnol 2023; 11:1155439. [PMID: 37324435 PMCID: PMC10264861 DOI: 10.3389/fbioe.2023.1155439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/03/2023] [Indexed: 06/17/2023] Open
Abstract
Developing the ability to habitually walk and run upright on two feet is one of the most significant transformations to have occurred in human evolution. Many musculoskeletal adaptations enabled bipedal locomotion, including dramatic structural changes to the foot and, in particular, the evolution of an elevated medial arch. The foot's arched structure has previously been assumed to play a central role in directly propelling the center of mass forward and upward through leverage about the toes and a spring-like energy recoil. However, it is unclear whether or how the plantarflexion mobility and height of the medial arch support its propulsive lever function. We use high-speed biplanar x-ray measurements of foot bone motion on seven participants while walking and running and compare their motion to a subject-specific model without arch recoil. We show that regardless of intraspecific differences in medial arch height, arch recoil enables a longer contact time and favorable propulsive conditions at the ankle for walking upright on an extended leg. The generally overlooked navicular-medial cuneiform joint is primarily responsible for arch recoil in human arches. The mechanism through which arch recoil enables an upright ankle posture may have helped drive the evolution of the longitudinal arch after our last common ancestor with chimpanzees, who lack arch plantarflexion mobility during push-off. Future morphological investigations of the navicular-medial cuneiform joint will likely provide new interpretations of the fossil record. Our work further suggests that enabling medial arch recoil in footwear and surgical interventions may be critical for maintaining the ankle's natural propulsive ability.
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Affiliation(s)
- Lauren Welte
- Department of Mechanical and Materials Engineering, Queen's University, Kingston, ON, Canada
| | - Nicholas B Holowka
- Department of Anthropology, University at Buffalo, Buffalo, NY, United States
| | - Luke A Kelly
- School of Human Movement and Nutrition Sciences, University of Queensland, Brisbane, QLD, Australia
| | - Anton Arndt
- The Swedish School of Sport and Health Sciences (GIH), Stockholm, Sweden
- Karolinska Institute, Stockholm, Sweden
| | - Michael J Rainbow
- Department of Mechanical and Materials Engineering, Queen's University, Kingston, ON, Canada
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Wang Y, Ma D, Feng Z, Yu W, Chen Y, Zhong S, Ouyang J, Qian L. A novel method for in vivo measurement of dynamic ischiofemoral space based on MRI and motion capture. Front Bioeng Biotechnol 2023; 11:1067600. [PMID: 36761299 PMCID: PMC9905814 DOI: 10.3389/fbioe.2023.1067600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 01/16/2023] [Indexed: 01/26/2023] Open
Abstract
Purpose: To use a novel in vivo method to simulate a moving hip model. Then, measure the dynamic bone-to-bone distance, and analyze the ischiofemoral space (IFS) of patients diagnosed with ischiofemoral impingement syndrome (IFI) during dynamic activities. Methods: Nine healthy subjects and 9 patients with IFI were recruited to collect MRI images and motion capture data. The motion trail of the hip during motion capture was matched to a personalized 3D hip model reconstructed from MRI images to get a dynamic bone model. This personalized dynamic in vivo method was then used to simulate the bone motion in dynamic activities. Validation was conducted on a 3D-printed sphere by comparing the calculated data using this novel method with the actual measured moving data using motion capture. Moreover, the novel method was used to analyze the in vivo dynamic IFS between healthy subjects and IFI patients during normal and long stride walking. Results: The validation results show that the root mean square error (RMSE) of slide and rotation was 1.42 mm/1.84° and 1.58 mm/2.19°, respectively. During normal walking, the in vivo dynamic IFS was significantly larger in healthy hips (ranged between 15.09 and 50.24 mm) compared with affected hips (between 10.16 and 39.74 mm) in 40.27%-83.81% of the gait cycle (p = 0.027). During long stride walking, the in vivo dynamic IFS was also significantly larger in healthy hips (ranged between 13.02 and 51.99 mm) than affected hips (between 9.63 and 44.22 mm) in 0%-5.85% of the gait cycle (p = 0.049). Additionally, the IFS of normal walking was significantly smaller than long stride walking during 0%-14.05% and 85.07%-100% of the gait cycle (p = 0.033, 0.033) in healthy hips. However, there was no difference between the two methods of walking among the patients. Conclusions: This study established a novel in vivo method to measure the dynamic bone-to-bone distance and was well validated. This method was used to measure the IFS of patients diagnosed with IFI, and the results showed that the IFS of patients is smaller compared with healthy subjects, whether in normal or long stride walking. Meanwhile, IFI eliminated the difference between normal and long stride walking.
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Affiliation(s)
- Yining Wang
- Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics and Guangdong Engineering Research Center for Translation of Medical 3D Printing Application and National Virtual and Reality Experimental Education Center for Medical Morphology (Southern Medical University) and National Experimental Education Demonstration Center for Basic Medical Sciences (Southern Medical University) and National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Dong Ma
- Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics and Guangdong Engineering Research Center for Translation of Medical 3D Printing Application and National Virtual and Reality Experimental Education Center for Medical Morphology (Southern Medical University) and National Experimental Education Demonstration Center for Basic Medical Sciences (Southern Medical University) and National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Zhengkuan Feng
- Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics and Guangdong Engineering Research Center for Translation of Medical 3D Printing Application and National Virtual and Reality Experimental Education Center for Medical Morphology (Southern Medical University) and National Experimental Education Demonstration Center for Basic Medical Sciences (Southern Medical University) and National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Wanqi Yu
- Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics and Guangdong Engineering Research Center for Translation of Medical 3D Printing Application and National Virtual and Reality Experimental Education Center for Medical Morphology (Southern Medical University) and National Experimental Education Demonstration Center for Basic Medical Sciences (Southern Medical University) and National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Yanjun Chen
- Department of Medical Imaging, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Shizhen Zhong
- Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics and Guangdong Engineering Research Center for Translation of Medical 3D Printing Application and National Virtual and Reality Experimental Education Center for Medical Morphology (Southern Medical University) and National Experimental Education Demonstration Center for Basic Medical Sciences (Southern Medical University) and National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China,*Correspondence: Lei Qian, ; Jun Ouyang, ; Shizhen Zhong,
| | - Jun Ouyang
- Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics and Guangdong Engineering Research Center for Translation of Medical 3D Printing Application and National Virtual and Reality Experimental Education Center for Medical Morphology (Southern Medical University) and National Experimental Education Demonstration Center for Basic Medical Sciences (Southern Medical University) and National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China,*Correspondence: Lei Qian, ; Jun Ouyang, ; Shizhen Zhong,
| | - Lei Qian
- Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics and Guangdong Engineering Research Center for Translation of Medical 3D Printing Application and National Virtual and Reality Experimental Education Center for Medical Morphology (Southern Medical University) and National Experimental Education Demonstration Center for Basic Medical Sciences (Southern Medical University) and National Key Discipline of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China,*Correspondence: Lei Qian, ; Jun Ouyang, ; Shizhen Zhong,
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13
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Schuster RW, Cresswell AG, Kelly LA. Foot shape is related to load-induced shape deformations, but neither are good predictors of plantar soft tissue stiffness. J R Soc Interface 2023; 20:20220758. [PMID: 36651181 PMCID: PMC9846431 DOI: 10.1098/rsif.2022.0758] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Modern human feet are considered unique among primates in their capacity to transmit propulsive forces and re-use elastic energy. Considered central to both these capabilities are their arched configuration and the plantar aponeurosis (PA). However, recent evidence has shown that their interactions are not as simple as proposed by the theoretical and mechanical models that established their significance. Using three-dimensional foot scans and statistical shape and deformation modelling, we show that the shape of the longitudinal and transverse arches varies widely among the healthy adult population, and that the former is subject to load-induced arch flattening, whereas the latter is not. However, longitudinal arch shape and flattening are only one of the various foot shape-deformation relationships. PA stiffness was also found to vary widely. Yet only a small amount of this variability (approx. 10-18%) was explained by variations in foot shape, deformation and their combination. These findings add to the mounting evidence showing that foot mechanics are complex and cannot be accurately represented by simple models. Especially the interactions between longitudinal arch and PA appear to be far less constrained than originally proposed, most likely due to the many degrees of freedom provided by the structural complexity of our feet.
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Affiliation(s)
- Robert W. Schuster
- School of Human Movement & Nutrition Sciences, The University of Queensland, Brisbane, Australia
| | - Andrew G. Cresswell
- School of Human Movement & Nutrition Sciences, The University of Queensland, Brisbane, Australia
| | - Luke A. Kelly
- School of Human Movement & Nutrition Sciences, The University of Queensland, Brisbane, Australia
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14
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Hulleck AA, Menoth Mohan D, Abdallah N, El Rich M, Khalaf K. Present and future of gait assessment in clinical practice: Towards the application of novel trends and technologies. FRONTIERS IN MEDICAL TECHNOLOGY 2022; 4:901331. [PMID: 36590154 PMCID: PMC9800936 DOI: 10.3389/fmedt.2022.901331] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 11/17/2022] [Indexed: 12/23/2022] Open
Abstract
Background Despite being available for more than three decades, quantitative gait analysis remains largely associated with research institutions and not well leveraged in clinical settings. This is mostly due to the high cost/cumbersome equipment and complex protocols and data management/analysis associated with traditional gait labs, as well as the diverse training/experience and preference of clinical teams. Observational gait and qualitative scales continue to be predominantly used in clinics despite evidence of less efficacy of quantifying gait. Research objective This study provides a scoping review of the status of clinical gait assessment, including shedding light on common gait pathologies, clinical parameters, indices, and scales. We also highlight novel state-of-the-art gait characterization and analysis approaches and the integration of commercially available wearable tools and technology and AI-driven computational platforms. Methods A comprehensive literature search was conducted within PubMed, Web of Science, Medline, and ScienceDirect for all articles published until December 2021 using a set of keywords, including normal and pathological gait, gait parameters, gait assessment, gait analysis, wearable systems, inertial measurement units, accelerometer, gyroscope, magnetometer, insole sensors, electromyography sensors. Original articles that met the selection criteria were included. Results and significance Clinical gait analysis remains highly observational and is hence subjective and largely influenced by the observer's background and experience. Quantitative Instrumented gait analysis (IGA) has the capability of providing clinicians with accurate and reliable gait data for diagnosis and monitoring but is limited in clinical applicability mainly due to logistics. Rapidly emerging smart wearable technology, multi-modality, and sensor fusion approaches, as well as AI-driven computational platforms are increasingly commanding greater attention in gait assessment. These tools promise a paradigm shift in the quantification of gait in the clinic and beyond. On the other hand, standardization of clinical protocols and ensuring their feasibility to map the complex features of human gait and represent them meaningfully remain critical challenges.
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Affiliation(s)
- Abdul Aziz Hulleck
- Mechanical Engineering Department, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Dhanya Menoth Mohan
- School of Mechanical and Aerospace Engineering, Monash University, Clayton Campus, Melbourne, Australia
| | - Nada Abdallah
- Weill Cornell Medicine, New York City, NY, United States
| | - Marwan El Rich
- Mechanical Engineering Department, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Kinda Khalaf
- Biomedical Engineering Department, Khalifa University, Abu Dhabi, United Arab Emirates,Health Engineering Innovation Center, Khalifa University, Abu Dhabi, United Arab Emirates,Correspondence: Kinda Khalaf
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15
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Birch JV, Farris DJ, Riddick R, Cresswell AG, Dixon SJ, Kelly LA. Neuromechanical adaptations of foot function when hopping on a damped surface. J Appl Physiol (1985) 2022; 133:1302-1308. [PMID: 36227162 DOI: 10.1152/japplphysiol.00012.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
To preserve motion, humans must adopt actuator-like dynamics to replace energy that is dissipated during contact with damped surfaces. Our ankle plantar flexors are credited as the primary source of work generation. Our feet and their intrinsic foot muscles also appear to be an important source of generative work, but their contributions to restoring energy to the body remain unclear. Here, we test the hypothesis that our feet help to replace work dissipated by a damped surface through controlled activation of the intrinsic foot muscles. We used custom-built platforms to provide both elastic and damped surfaces and asked participants to perform a bilateral hopping protocol on each. We recorded foot motion and ground reaction forces, alongside muscle activation, using intramuscular electromyography from flexor digitorum brevis, abductor hallucis, soleus, and tibialis anterior. Hopping in the Damped condition resulted in significantly greater positive work and contact-phase muscle activation compared with the Elastic condition. The foot contributed 25% of the positive work performed about the ankle, highlighting the importance of the foot when humans adapt to different surfaces.NEW & NOTEWORTHY Adaptable foot mechanics play an important role in how we adjust to elastic surfaces. However, natural substrates are rarely perfectly elastic and dissipate energy. Here, we highlight the important role of the foot and intrinsic foot muscles in contributing to replacing dissipated work on damped surfaces and uncover an important energy-saving mechanism that may be exploited by the designers of footwear and other wearable devices.
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Affiliation(s)
- Jonathon V Birch
- Sport and Health Sciences, College of Life and Environmental Sciences, https://ror.org/03yghzc09University of Exeter, Exeter, United Kingdom.,School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Dominic J Farris
- Sport and Health Sciences, College of Life and Environmental Sciences, https://ror.org/03yghzc09University of Exeter, Exeter, United Kingdom
| | - Ryan Riddick
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Andrew G Cresswell
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Sharon J Dixon
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Luke A Kelly
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Queensland, Australia
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16
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Dobos TJ, Bench RWG, McKinnon CD, Brady A, Boddy KJ, Holmes MWR, Sonne MWL. Validation of pitchAI TM markerless motion capture using marker-based 3D motion capture. Sports Biomech 2022:1-21. [PMID: 36409062 DOI: 10.1080/14763141.2022.2137425] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 10/12/2022] [Indexed: 11/23/2022]
Abstract
This study sought to compare and validate baseball pitching mechanics, including joint angles and spatiotemporal parameters, from a single camera markerless motion capture solution with a 3D optical marker-based system. Ten healthy pitchers threw 2-3 maximum effort fastballs while concurrently using marker-based optical capture and pitchAITM (markerless) motion capture. Time-series measures were compared using R-squared (r2), and root mean square error (RMSE). Discrete kinematic measures at foot plant, maximal shoulder external rotation, and ball release, plus four spatiotemporal parameters were evaluated using descriptive statistics, Bland-Altman analyses, Pearson's correlation coefficients, p-values, r2, and RMSE. For time-series angles, r2 ranged from 0.69 (glove arm shoulder external rotation) to 0.98 (trunk and pelvis rotation), and RMSE ranged from 4.37° (trunk lateral tilt) to 20.78° (glove arm shoulder external rotation). Bias for individual joint angle and spatiotemporal parameters ranged from -11.31 (glove arm shoulder horizontal abduction; MER) to 12.01 (ball visible). RMSE was 3.62 m/s for arm speed, 5.75% height for stride length and 21.75 ms for the ball visible metric. pitchAITM can be recommended as a markerless alternative to marker-based motion capture for quantifying pitching kinematics. A database of pitchAITM ranges should be established for comparison between systems.
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Affiliation(s)
- Tyler J Dobos
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
| | - Ryan W G Bench
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
| | | | | | | | | | - Michael W L Sonne
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Chicago Cubs, Wrigley Field, Chicago, IL, USA
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17
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Needham L, Evans M, Wade L, Cosker DP, Polly McGuigan M, Bilzon JL, Colyer SL. The Development and Evaluation of a Fully Automated Markerless Motion Capture Workflow. J Biomech 2022; 144:111338. [DOI: 10.1016/j.jbiomech.2022.111338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 09/21/2022] [Accepted: 09/27/2022] [Indexed: 10/31/2022]
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18
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Renner K, Delaney C, Hill C, Sands L, Queen R. Predicting post-total ankle arthroplasty walking speed based on preoperative gait mechanics. J Orthop Res 2022; 41:1070-1075. [PMID: 36116022 DOI: 10.1002/jor.25444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 08/01/2022] [Accepted: 09/14/2022] [Indexed: 02/04/2023]
Abstract
Decreased walking speed is associated with impaired physical performance and function in older adults. Following total ankle arthroplasty (TAA), walking speed continues to be slower than age matched controls. The purpose of this study was to determine if patients 1 year post-TAA can achieve walking speed benchmarks and investigate if gait metrics are predictive of achieved benchmarks. 191 TAA patients were recruited and assessed pre-TAA and 1 year post-TAA. Kinetic and kinematic data were collected during seven self-selected speed barefoot walking trials along a 30-m walkway. Receiver operator curves were generated for each variable to determine threshold values needed to achieve walking speeds of 0.8, 0.9, 1.1, and 1.3 m/s. Each variable's predictive ability was classified according to the area under the curve. Ninety one percent of participants achieved a walking speed > 0.8 m/s, 85.3% achieved ≥0.9 m/s, 64.9% walked at ≥1.1 m/s, and 24.1% achieved a walking speed of 1.3 m/s by 1 year post-TAA. Walking speed pre-TAA was the strongest predictor with ankle moment, power and GRF data showing mixed results. Clinical Significance: 75.9% of participants were unable to walk at 1.3 m/s-a speed indicative of safely crossing a street. Variables predictive of postoperative walking speed benchmarks could be useful in developing interventions for the TAA population. The strongest predictor across all walking speed benchmarks was preoperative walking speed. A walking speed > 0.71 m/s was predictive of achieving 0.8 m/s 1 year post-TAA, while >1.09 m/s predicted 1.3 m/s 1 year post-TAA.
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Affiliation(s)
- Kristen Renner
- Department of Orthopaedic Surgery, University of Arizona College of Medicine-Tucson, Tucson, Arizona, USA
| | - Caitlyn Delaney
- Department of Physical Therapy, Radford University Carilion, Roanoke, Virginia, USA
| | - Cherice Hill
- Clemson University-Medical University of South Carolina Joint Bioengineering Program, Charleston, South Carolina, USA
| | - Laura Sands
- Center for Gerontology, Virginia Tech, Blacksburg, Virginia, USA
| | - Robin Queen
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia, USA
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19
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Zhang Y, Chen Z, Zhao H, Zhao D, Zhang X, Ma X, Jin Z. Comparison of joint load, motions and contact stress and bone-implant interface micromotion of three implant designs for total ankle arthroplasty. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2022; 223:106976. [PMID: 35785557 DOI: 10.1016/j.cmpb.2022.106976] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 06/08/2022] [Accepted: 06/25/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND AND OBJECTIVE Loosening and wear are still the main problems for the failure of total ankle arthroplasty, which are closely related to the micromotion at the bone-implant interface and the contact stress and joint motions at the articular surfaces. Implant design is a key factor to influence the ankle force, motions, contact stress, and bone-implant interface micromotion. The purpose of this study is to evaluate the differences in these parameters of INBONE II, INFINITY, and a new anatomic ankle implant under the physiological walking gait of three patients. METHODS This was achieved by using an in-silico simulation framework combining patient-specific musculoskeletal multibody dynamics and finite element analysis. Each implant was implanted into the musculoskeletal multibody dynamics model, respectively, which was driven by the gait data to calculate ankle forces and motions. These were then used as the boundary conditions for the finite element model, and the contact stress and the bone-implant interface micromotions were calculated. RESULTS The total ankle contact forces were not significantly affected by articular surface geometries of ankle implants. The range of motion of the ankle joint implanted with INFINITY was a little larger than that with INBONE II. The anatomic ankle implant design produced a greater range of motion than INBONE II, especially the internal-external rotation. The fixation design of INFINITY achieved lower bone-implant interface micromotion compared with INBONE II. The anatomic ankle implant design produced smaller contact stress with no evident edge contact and a smaller tibia-implant interface micromotion. In addition, significant differences in the magnitudes and tendencies of total ankle contact forces and motions among different patients were found. CONCLUSIONS The articular surface geometry of ankle implants not only affected the ankle motions and contact stress distribution but also affected the bone-implant interface micromotions. The anatomic ankle implant had good performance in recovering ankle joint motion, equalizing contact stress, and reducing bone-implant interface micromotion. INFINITY's fixation design could achieve smaller bone-implant interface micromotion than INBONE II.
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Affiliation(s)
- Yanwei Zhang
- State Key Laboratory for Manufacturing System Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Zhenxian Chen
- Key Laboratory of Road Construction Technology and Equipment (Ministry of Education), School of Mechanical Engineering, Chang'an University, Xi'an, Shaanxi, China.
| | - Hongmou Zhao
- Foot and Ankle Surgery Department, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Dahang Zhao
- Department of Orthopaedics, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China; Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, China
| | - Xuan Zhang
- Key Laboratory of Road Construction Technology and Equipment (Ministry of Education), School of Mechanical Engineering, Chang'an University, Xi'an, Shaanxi, China
| | - Xin Ma
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhongmin Jin
- State Key Laboratory for Manufacturing System Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China; Tribology Research Institute, School of Mechanical Engineering, Southwest Jiaotong University, Chengdu, China; Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds LS2 9JT, UK.
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20
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Schallig W, van den Noort JC, Piening M, Streekstra GJ, Maas M, van der Krogt MM, Harlaar J. The Amsterdam Foot Model: a clinically informed multi-segment foot model developed to minimize measurement errors in foot kinematics. J Foot Ankle Res 2022; 15:46. [PMID: 35668453 PMCID: PMC9172122 DOI: 10.1186/s13047-022-00543-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 05/03/2022] [Indexed: 11/17/2022] Open
Abstract
Background Foot and ankle joint kinematics are measured during clinical gait analyses with marker-based multi-segment foot models. To improve on existing models, measurement errors due to soft tissue artifacts (STAs) and marker misplacements should be reduced. Therefore, the aim of this study is to define a clinically informed, universally applicable multi-segment foot model, which is developed to minimize these measurement errors. Methods The Amsterdam foot model (AFM) is a follow-up of existing multi-segment foot models. It was developed by consulting a clinical expert panel and optimizing marker locations and segment definitions to minimize measurement errors. Evaluation of the model was performed in three steps. First, kinematic errors due to STAs were evaluated and compared to two frequently used foot models, i.e. the Oxford and Rizzoli foot models (OFM, RFM). Previously collected computed tomography data was used of 15 asymptomatic feet with markers attached, to determine the joint angles with and without STAs taken into account. Second, the sensitivity to marker misplacements was determined for AFM and compared to OFM and RFM using static standing trials of 19 asymptomatic subjects in which each marker was virtually replaced in multiple directions. Third, a preliminary inter- and intra-tester repeatability analysis was performed by acquiring 3D gait analysis data of 15 healthy subjects, who were equipped by two testers for two sessions. Repeatability of all kinematic parameters was assessed through analysis of the standard deviation (σ) and standard error of measurement (SEM). Results The AFM was defined and all calculation methods were provided. Errors in joint angles due to STAs were in general similar or smaller in AFM (≤2.9°) compared to OFM (≤4.0°) and RFM (≤6.7°). AFM was also more robust to marker misplacement than OFM and RFM, as a large sensitivity of kinematic parameters to marker misplacement (i.e. > 1.0°/mm) was found only two times for AFM as opposed to six times for OFM and five times for RFM. The average intra-tester repeatability of AFM angles was σ:2.2[0.9°], SEM:3.3 ± 0.9° and the inter-tester repeatability was σ:3.1[2.1°], SEM:5.2 ± 2.3°. Conclusions Measurement errors of AFM are smaller compared to two widely-used multi-segment foot models. This qualifies AFM as a follow-up to existing foot models, which should be evaluated further in a range of clinical application areas. Supplementary Information The online version contains supplementary material available at 10.1186/s13047-022-00543-6.
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Affiliation(s)
- Wouter Schallig
- Amsterdam UMC location Vrije Universiteit Amsterdam, Rehabilitation Medicine, De Boelelaan 1117, Amsterdam, The Netherlands. .,Amsterdam Movement Sciences, Rehabilitation & Development, Amsterdam, the Netherlands. .,Amsterdam UMC location University of Amsterdam, Radiology and Nuclear Medicine, Meibergdreef 9, Amsterdam, the Netherlands.
| | - Josien C van den Noort
- Amsterdam Movement Sciences, Rehabilitation & Development, Amsterdam, the Netherlands.,Amsterdam UMC location University of Amsterdam, Radiology and Nuclear Medicine, Meibergdreef 9, Amsterdam, the Netherlands.,Amsterdam Movement Sciences, Musculoskeletal Health, Amsterdam, the Netherlands
| | - Marjolein Piening
- Amsterdam UMC location Vrije Universiteit Amsterdam, Rehabilitation Medicine, De Boelelaan 1117, Amsterdam, The Netherlands
| | - Geert J Streekstra
- Amsterdam UMC location University of Amsterdam, Radiology and Nuclear Medicine, Meibergdreef 9, Amsterdam, the Netherlands.,Amsterdam Movement Sciences, Musculoskeletal Health, Amsterdam, the Netherlands.,Amsterdam UMC location University of Amsterdam, Biomedical Engineering and Physics, Meibergdreef 9, Amsterdam, the Netherlands
| | - Mario Maas
- Amsterdam Movement Sciences, Rehabilitation & Development, Amsterdam, the Netherlands.,Amsterdam UMC location University of Amsterdam, Radiology and Nuclear Medicine, Meibergdreef 9, Amsterdam, the Netherlands.,Amsterdam Movement Sciences, Musculoskeletal Health, Amsterdam, the Netherlands
| | - Marjolein M van der Krogt
- Amsterdam UMC location Vrije Universiteit Amsterdam, Rehabilitation Medicine, De Boelelaan 1117, Amsterdam, The Netherlands.,Amsterdam Movement Sciences, Rehabilitation & Development, Amsterdam, the Netherlands
| | - Jaap Harlaar
- Amsterdam UMC location Vrije Universiteit Amsterdam, Rehabilitation Medicine, De Boelelaan 1117, Amsterdam, The Netherlands.,Department of Biomechanical Engineering, Delft University of Technology, Delft, the Netherlands.,Department of Orthopedics & Sports Medicine , ErasmusMC, Rotterdam, the Netherlands
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21
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Apps C, Dawson L, Shering B, Siegkas P. Grip socks improve slalom course performance and reduce in-shoe foot displacement of the forefoot in male and female sports players. J Sports Sci 2022; 40:1351-1359. [PMID: 35648799 DOI: 10.1080/02640414.2022.2080163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
This study assessed whether grip socks reduce in-shoe foot motion and improve change of direction performance in team sports players and compared the effects between males and females. A sledge and pulley system confirmed the static coefficient of friction was increased in the grip socks (1.17) compared to the regular socks (0.60). Performance during a slalom course was faster in the grip socks compared to regular socks (p = .001). Yet, there was no difference in the utilised coefficient of friction between the shoe-floor interface during a side-cut and turn change of direction manoeuvre. Three-dimensional motion capture revealed the grip socks reduced in-shoe foot displacement during the braking phase, with greater effect during the sharper turn manoeuvre. The magnitude of natural foot spreading within the shoe was greater in the calcaneus region than the metatarsals which suggests in-shoe sliding may only occur at the forefoot. Males tended to have increased in-shoe displacement, which is associated with larger foot spreading due to their increased mass. Findings provide guidance for product developers to enhance the support inside the shoe at the forefoot, and change of direction performance.
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Affiliation(s)
- Charlotte Apps
- SHAPE Research Group, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - Laura Dawson
- SHAPE Research Group, School of Science and Technology, Nottingham Trent University, Nottingham, UK.,Faculty of Sport, Allied Health & Performance Science, St Mary's University, Twickenham, UK.,School of Health and Sports Sciences, University of Suffolk, Ipswich, UK
| | - Billy Shering
- SHAPE Research Group, School of Science and Technology, Nottingham Trent University, Nottingham, UK.,School of Engineering and Technology, Cyprus University of Technology, Limassol, Cyprus
| | - Petros Siegkas
- SHAPE Research Group, School of Science and Technology, Nottingham Trent University, Nottingham, UK.,School of Engineering and Technology, Cyprus University of Technology, Limassol, Cyprus
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22
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Changes in ankle and foot kinematic after fixed-bearing total ankle replacement. J Biomech 2022; 136:111060. [DOI: 10.1016/j.jbiomech.2022.111060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 02/14/2022] [Accepted: 03/21/2022] [Indexed: 11/18/2022]
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Wade L, Needham L, McGuigan P, Bilzon J. Applications and limitations of current markerless motion capture methods for clinical gait biomechanics. PeerJ 2022; 10:e12995. [PMID: 35237469 PMCID: PMC8884063 DOI: 10.7717/peerj.12995] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 02/02/2022] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Markerless motion capture has the potential to perform movement analysis with reduced data collection and processing time compared to marker-based methods. This technology is now starting to be applied for clinical and rehabilitation applications and therefore it is crucial that users of these systems understand both their potential and limitations. This literature review aims to provide a comprehensive overview of the current state of markerless motion capture for both single camera and multi-camera systems. Additionally, this review explores how practical applications of markerless technology are being used in clinical and rehabilitation settings, and examines the future challenges and directions markerless research must explore to facilitate full integration of this technology within clinical biomechanics. METHODOLOGY A scoping review is needed to examine this emerging broad body of literature and determine where gaps in knowledge exist, this is key to developing motion capture methods that are cost effective and practically relevant to clinicians, coaches and researchers around the world. Literature searches were performed to examine studies that report accuracy of markerless motion capture methods, explore current practical applications of markerless motion capture methods in clinical biomechanics and identify gaps in our knowledge that are relevant to future developments in this area. RESULTS Markerless methods increase motion capture data versatility, enabling datasets to be re-analyzed using updated pose estimation algorithms and may even provide clinicians with the capability to collect data while patients are wearing normal clothing. While markerless temporospatial measures generally appear to be equivalent to marker-based motion capture, joint center locations and joint angles are not yet sufficiently accurate for clinical applications. Pose estimation algorithms are approaching similar error rates of marker-based motion capture, however, without comparison to a gold standard, such as bi-planar videoradiography, the true accuracy of markerless systems remains unknown. CONCLUSIONS Current open-source pose estimation algorithms were never designed for biomechanical applications, therefore, datasets on which they have been trained are inconsistently and inaccurately labelled. Improvements to labelling of open-source training data, as well as assessment of markerless accuracy against gold standard methods will be vital next steps in the development of this technology.
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Affiliation(s)
- Logan Wade
- Department for Health, University of Bath, Bath, United Kingdom,Centre for Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, United Kingdom
| | - Laurie Needham
- Department for Health, University of Bath, Bath, United Kingdom,Centre for Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, United Kingdom
| | - Polly McGuigan
- Department for Health, University of Bath, Bath, United Kingdom,Centre for Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, United Kingdom
| | - James Bilzon
- Department for Health, University of Bath, Bath, United Kingdom,Centre for Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, United Kingdom,Centre for Sport Exercise and Osteoarthritis Research Versus Arthritis, University of Bath, Bath, United Kingdom
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Vo M, Sheikh Y, Narasimhan SG. Spatiotemporal Bundle Adjustment for Dynamic 3D Human Reconstruction in the Wild. IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE 2022; 44:1066-1080. [PMID: 32750836 DOI: 10.1109/tpami.2020.3012429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Bundle adjustment jointly optimizes camera intrinsics and extrinsics and 3D point triangulation to reconstruct a static scene. The triangulation constraint, however, is invalid for moving points captured in multiple unsynchronized videos and bundle adjustment is not designed to estimate the temporal alignment between cameras. We present a spatiotemporal bundle adjustment framework that jointly optimizes four coupled sub-problems: estimating camera intrinsics and extrinsics, triangulating static 3D points, as well as sub-frame temporal alignment between cameras and computing 3D trajectories of dynamic points. Key to our joint optimization is the careful integration of physics-based motion priors within the reconstruction pipeline, validated on a large motion capture corpus of human subjects. We devise an incremental reconstruction and alignment algorithm to strictly enforce the motion prior during the spatiotemporal bundle adjustment. This algorithm is further made more efficient by a divide and conquer scheme while still maintaining high accuracy. We apply this algorithm to reconstruct 3D motion trajectories of human bodies in dynamic events captured by multiple uncalibrated and unsynchronized video cameras in the wild. To make the reconstruction visually more interpretable, we fit a statistical 3D human body model to the asynchronous video streams. Compared to the baseline, the fitting significantly benefits from the proposed spatiotemporal bundle adjustment procedure. Because the videos are aligned with sub-frame precision, we reconstruct 3D motion at much higher temporal resolution than the input videos. Website: http://www.cs.cmu.edu/~ILIM/projects/IM/STBA.
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Shono H, Matsumoto Y, Kokubun T, Tsuruta A, Miyazawa T, Kobayashi A, Kanemura N. Determination of relationship between foot arch, hindfoot, and hallux motion using Oxford foot model: Comparison between walking and running. Gait Posture 2022; 92:96-102. [PMID: 34839207 DOI: 10.1016/j.gaitpost.2021.10.043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 10/20/2021] [Accepted: 10/26/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND The foot arch plays an important role in propulsion and shock absorption during walking and running; however, the relationship among the foot arch, metatarsal locking theory, and nature of the windlass mechanism (WM) remain unclear. RESEARCH QUESTION What are the differences in the kinematic relationship between the foot arch, hindfoot, and hallux during walking and running? METHODS Relative angles within the foot were measured in 18 healthy men using the Oxford foot model (OFM). Data for barefoot walking at a comfortable speed and rearfoot running at 2.0 m/s were collected. Angles of the forefoot relative to the hindfoot (OFM-arch), hallux relative to the forefoot (Hallux) on the sagittal plane, and hindfoot relative to the shank (Hindfoot) on three anatomical planes were obtained. The medial longitudinal arch (MLA) angle was calculated to verify that OFM-arch can substitute the MLA angle. Each parameter was subjected to cross-correlation analysis and Wilcoxon signed-rank tests to examine the relationship with OFM-arch and compare them during walking and running. RESULT OFM-arch was similar to the conventional MLA projection angle in both trials (gait: 0.79, running: 0.96 p < 0.01). Synchronization of the OFM-arch and Hallux angles was higher in running than in walking (gait: -0.09, running: -0.75 p < 0.01). Hindfoot supination was unrelated to OFM-arch. Hindfoot angle on the transverse plane exhibited a moderate relationship with OFM-arch, indicating different correlations in walking and running (gait: 0.63, running: -0.68 p < 0.01). SIGNIFICANCE The elevation of the foot arch due to hallux dorsiflexion differed during walking and running; hence, other factors besides WM (such as intrinsic muscles) may affect the foot arch elevation during running. The hindfoot in the frontal plane does not contribute to arch raising and foot stability during running; it features different relationships with OFM-arch during walking and running.
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Affiliation(s)
- Hitomi Shono
- Yatsuka Seikeigekanaika, Saitama 340-0028, Japan.
| | - Yuka Matsumoto
- Graduate Course of Health and Social Services, Graduate School of Saitama Prefectural University, Saitama 343-8540, Japan; Research Fellowship for Young Scientists, Japan Society for the Promotion of Science, Tokyo 102-0083, Japan.
| | - Takanori Kokubun
- Department of Health and Social Services, Saitama Prefectural University, Saitama 343-8540, Japan.
| | | | | | - Akira Kobayashi
- Graduate Course of Health and Social Services, Graduate School of Saitama Prefectural University, Saitama 343-8540, Japan.
| | - Naohiko Kanemura
- Department of Health and Social Services, Saitama Prefectural University, Saitama 343-8540, Japan.
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Ito K, Nakamura T, Suzuki R, Negishi T, Oishi M, Nagura T, Jinzaki M, Ogihara N. Comparative Functional Morphology of Human and Chimpanzee Feet Based on Three-Dimensional Finite Element Analysis. Front Bioeng Biotechnol 2022; 9:760486. [PMID: 35096789 PMCID: PMC8793834 DOI: 10.3389/fbioe.2021.760486] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 12/02/2021] [Indexed: 12/01/2022] Open
Abstract
To comparatively investigate the morphological adaptation of the human foot for achieving robust and efficient bipedal locomotion, we develop three-dimensional finite element models of the human and chimpanzee feet. Foot bones and the outer surface of the foot are extracted from computer tomography images and meshed with tetrahedral elements. The ligaments and plantar fascia are represented by tension-only spring elements. The contacts between the bones and between the foot and ground are solved using frictionless and Coulomb friction contact algorithms, respectively. Physiologically realistic loading conditions of the feet during quiet bipedal standing are simulated. Our results indicate that the center of pressure (COP) is located more anteriorly in the human foot than in the chimpanzee foot, indicating a larger stability margin in bipedal posture in humans. Furthermore, the vertical free moment generated by the coupling motion of the calcaneus and tibia during axial loading is larger in the human foot, which can facilitate the compensation of the net yaw moment of the body around the COP during bipedal locomotion. Furthermore, the human foot can store elastic energy more effectively during axial loading for the effective generation of propulsive force in the late stance phase. This computational framework for a comparative investigation of the causal relationship among the morphology, kinematics, and kinetics of the foot may provide a better understanding regarding the functional significance of the morphological features of the human foot.
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Affiliation(s)
- Kohta Ito
- Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan
- Graduate School of Human Sciences, Osaka University, Suita, Japan
| | - Tomoya Nakamura
- Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan
| | - Ryo Suzuki
- Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan
| | - Takuo Negishi
- Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan
- Department of Biological Science, Graduate School of Science, The University of Tokyo, Tokyo, Japan
| | - Motoharu Oishi
- Department of Veterinary Medicine, Azabu University, Sagamihara, Japan
| | - Takeo Nagura
- Department of Clinical Biomechanics, Keio University School of Medicine, Tokyo, Japan
| | - Masahiro Jinzaki
- Department of Radiology, Keio University School of Medicine, Tokyo, Japan
| | - Naomichi Ogihara
- Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan
- Department of Biological Science, Graduate School of Science, The University of Tokyo, Tokyo, Japan
- *Correspondence: Naomichi Ogihara,
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27
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Maharaj JN, Rainbow MJ, Cresswell AG, Kessler S, Konow N, Gehring D, Lichtwark GA. Modelling the complexity of the foot and ankle during human locomotion: the development and validation of a multi-segment foot model using biplanar videoradiography. Comput Methods Biomech Biomed Engin 2021; 25:554-565. [PMID: 34698598 DOI: 10.1080/10255842.2021.1968844] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
We developed and validated a multi-segment foot and ankle model for human walking and running. The model has 6-segments, and 7 degrees of freedom; motion between foot segments were constrained with a single oblique axis to enable triplanar motion [Joint Constrained (JC) model]. The accuracy of the JC model and that of a conventional model using a 6 degrees of freedom approach were assessed by comparison to segment motion determined with biplanar videoradiography. Compared to the 6-DoF model, our JC model demonstrated significantly smaller RMS differences [JC: 2.19° (1.43-2.73); 6-DoF: 3.25° (1.37-5.89)] across walking and running. The JC model is thus capable of more accurate musculoskeletal analyses and is also well suited for predictive simulations.
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Affiliation(s)
- Jayishni N Maharaj
- Griffith Centre of Biomedical and Rehabilitation Engineering, Gold Coast, Australia
| | - Michael J Rainbow
- Department of Mechanical and Materials Engineering, Queen's University, Kingston, Canada
| | - Andrew G Cresswell
- School of Human Movement and Nutrition Sciences, University of Queensland, Brisbane, Australia
| | - Sarah Kessler
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - Nicolai Konow
- Department of Biological Sciences, University of Massachusetts, Lowell, MA, USA
| | - Dominic Gehring
- Institute of Sports and Sport Science, University of Freiburg, Freiburg, Germany
| | - Glen A Lichtwark
- School of Human Movement and Nutrition Sciences, University of Queensland, Brisbane, Australia
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28
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Needham L, Evans M, Cosker DP, Wade L, McGuigan PM, Bilzon JL, Colyer SL. The accuracy of several pose estimation methods for 3D joint centre localisation. Sci Rep 2021; 11:20673. [PMID: 34667207 PMCID: PMC8526586 DOI: 10.1038/s41598-021-00212-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 10/07/2021] [Indexed: 12/14/2022] Open
Abstract
Human movement researchers are often restricted to laboratory environments and data capture techniques that are time and/or resource intensive. Markerless pose estimation algorithms show great potential to facilitate large scale movement studies 'in the wild', i.e., outside of the constraints imposed by marker-based motion capture. However, the accuracy of such algorithms has not yet been fully evaluated. We computed 3D joint centre locations using several pre-trained deep-learning based pose estimation methods (OpenPose, AlphaPose, DeepLabCut) and compared to marker-based motion capture. Participants performed walking, running and jumping activities while marker-based motion capture data and multi-camera high speed images (200 Hz) were captured. The pose estimation algorithms were applied to 2D image data and 3D joint centre locations were reconstructed. Pose estimation derived joint centres demonstrated systematic differences at the hip and knee (~ 30-50 mm), most likely due to mislabeling of ground truth data in the training datasets. Where systematic differences were lower, e.g., the ankle, differences of 1-15 mm were observed depending on the activity. Markerless motion capture represents a highly promising emerging technology that could free movement scientists from laboratory environments but 3D joint centre locations are not yet consistently comparable to marker-based motion capture.
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Affiliation(s)
- Laurie Needham
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, UK.
| | - Murray Evans
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, UK
| | - Darren P Cosker
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, UK
| | - Logan Wade
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, UK
| | - Polly M McGuigan
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, UK
| | - James L Bilzon
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, UK
| | - Steffi L Colyer
- Centre for the Analysis of Motion, Entertainment Research and Applications, University of Bath, Bath, UK
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29
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Chan PH, Stebbins J, Zavatsky AB. Efficacy of quantifying marker-cluster rigidity in a multi-segment foot model: a Monte-Carlo based global sensitivity analysis and regression model. Comput Methods Biomech Biomed Engin 2021; 25:308-319. [PMID: 34289759 DOI: 10.1080/10255842.2021.1954170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Marker-based clinical gait analysis and multi-segment foot models (MSFM) have been successfully used for the diagnosis and clinical management of various lower limb disorders. The accuracy and validity of the kinematics measured depend on the design of the model, as well as on the adherence to its inherent rigid body assumption. This study applies a Monte-Carlo based global sensitivity analysis to evaluate the efficacy of using 'rigid body error (σRBE)' in quantifying the rigidity of a MSFM marker-cluster. A regression model is proposed. It is concluded that σRBE is effective in quantifying rigidity.
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Affiliation(s)
- Po-Hsiang Chan
- Department of Engineering Science, University of Oxford, Oxford, UK
| | - Julie Stebbins
- Oxford Gait Laboratory, Nuffield Orthopaedic Centre NHS Trust, Oxford, UK
| | - Amy B Zavatsky
- Department of Engineering Science, University of Oxford, Oxford, UK
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30
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Ye D, Sun X, Zhang C, Zhang S, Zhang X, Wang S, Fu W. In Vivo Foot and Ankle Kinematics During Activities Measured by Using a Dual Fluoroscopic Imaging System: A Narrative Review. Front Bioeng Biotechnol 2021; 9:693806. [PMID: 34350162 PMCID: PMC8327092 DOI: 10.3389/fbioe.2021.693806] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 07/05/2021] [Indexed: 12/26/2022] Open
Abstract
Foot and ankle joints are complicated anatomical structures that combine the tibiotalar and subtalar joints. They play an extremely important role in walking, running, jumping and other dynamic activities of the human body. The in vivo kinematic analysis of the foot and ankle helps deeply understand the movement characteristics of these structures, as well as identify abnormal joint movements and treat related diseases. However, the technical deficiencies of traditional medical imaging methods limit studies on in vivo foot and ankle biomechanics. During the last decade, the dual fluoroscopic imaging system (DFIS) has enabled the accurate and noninvasive measurements of the dynamic and static activities in the joints of the body. Thus, this method can be utilised to quantify the movement in the single bones of the foot and ankle and analyse different morphological joints and complex bone positions and movement patterns within these organs. Moreover, it has been widely used in the field of image diagnosis and clinical biomechanics evaluation. The integration of existing single DFIS studies has great methodological reference value for future research on the foot and ankle. Therefore, this review evaluated existing studies that applied DFIS to measure the in vivo kinematics of the foot and ankle during various activities in healthy and pathologic populations. The difference between DFIS and traditional biomechanical measurement methods was shown. The advantages and shortcomings of DFIS in practical application were further elucidated, and effective theoretical support and constructive research direction for future studies on the human foot and ankle were provided.
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Affiliation(s)
- Dongqiang Ye
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Xiaole Sun
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Cui Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China.,Shandong Institute of Sport Science, Jinan, China
| | - Shen Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Xini Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Shaobai Wang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Weijie Fu
- School of Kinesiology, Shanghai University of Sport, Shanghai, China.,Key Laboratory of Exercise and Health Sciences of Ministry of Education, Shanghai University of Sport, Shanghai, China
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31
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Mah KM, Torres-Espín A, Hallworth BW, Bixby JL, Lemmon VP, Fouad K, Fenrich KK. Automation of training and testing motor and related tasks in pre-clinical behavioural and rehabilitative neuroscience. Exp Neurol 2021; 340:113647. [PMID: 33600814 PMCID: PMC10443427 DOI: 10.1016/j.expneurol.2021.113647] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/25/2021] [Accepted: 02/12/2021] [Indexed: 12/12/2022]
Abstract
Testing and training animals in motor and related tasks is a cornerstone of pre-clinical behavioural and rehabilitative neuroscience. Yet manually testing and training animals in these tasks is time consuming and analyses are often subjective. Consequently, there have been many recent advances in automating both the administration and analyses of animal behavioural training and testing. This review is an in-depth appraisal of the history of, and recent developments in, the automation of animal behavioural assays used in neuroscience. We describe the use of common locomotor and non-locomotor tasks used for motor training and testing before and after nervous system injury. This includes a discussion of how these tasks help us to understand the underlying mechanisms of neurological repair and the utility of some tasks for the delivery of rehabilitative training to enhance recovery. We propose two general approaches to automation: automating the physical administration of behavioural tasks (i.e., devices used to facilitate task training, rehabilitative training, and motor testing) and leveraging the use of machine learning in behaviour analysis to generate large volumes of unbiased and comprehensive data. The advantages and disadvantages of automating various motor tasks as well as the limitations of machine learning analyses are examined. In closing, we provide a critical appraisal of the current state of automation in animal behavioural neuroscience and a prospective on some of the advances in machine learning we believe will dramatically enhance the usefulness of these approaches for behavioural neuroscientists.
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Affiliation(s)
- Kar Men Mah
- Department of Neurological Surgery, The Miami Project to Cure Paralysis, University of Miami, Miami, FL 33136, USA
| | - Abel Torres-Espín
- Brain and Spinal Injury Center, Department of Neurological Surgery, University of California San Francisco, San Francisco, CA, USA
| | - Ben W Hallworth
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Alberta, Canada; Department of Mechanical Engineering, University of Alberta, Edmonton, Alberta, Canada
| | - John L Bixby
- Department of Neurological Surgery, The Miami Project to Cure Paralysis, University of Miami, Miami, FL 33136, USA; Department of Molecular & Cellular Pharmacology, University of Miami, Miller School of Medicine, Miami, FL 33136, USA
| | - Vance P Lemmon
- Department of Neurological Surgery, The Miami Project to Cure Paralysis, University of Miami, Miami, FL 33136, USA
| | - Karim Fouad
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Alberta, Canada; Department of Physical Therapy, University of Alberta, Edmonton, Alberta, Canada; Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Keith K Fenrich
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Alberta, Canada; Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada.
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32
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Turner ML, Gatesy SM. Alligators employ intermetatarsal reconfiguration to modulate plantigrade ground contact. J Exp Biol 2021; 224:269005. [PMID: 34086907 PMCID: PMC8214830 DOI: 10.1242/jeb.242240] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 04/21/2021] [Indexed: 12/05/2022]
Abstract
Feet must mediate substrate interactions across an animal's entire range of limb poses used in life. Metatarsals, the ‘bones of the sole’, are the dominant pedal skeletal elements for most tetrapods. In plantigrade species that walk on the entirety of their sole, such as living crocodylians, intermetatarsal mobility offers the potential for a continuum of reconfiguration within the foot itself. Alligator hindlimbs are capable of postural extremes from a belly sprawl to a high walk to sharp turns – how does the foot morphology dynamically accommodate these diverse demands? We implemented a hybrid combination of marker-based and markerless X-ray reconstruction of moving morphology (XROMM) to measure 3D metatarsal kinematics in three juvenile American alligators (Alligator mississippiensis) across their locomotor and maneuvering repertoire on a motorized treadmill and flat-surfaced arena. We found that alligators adaptively conformed their metatarsals to the ground, maintaining plantigrade contact throughout a spectrum of limb placements with non-planar feet. Deformation of the metatarsus as a whole occurred through variable abduction (twofold range of spread) and differential metatarsal pitching (45 deg arc of skew). Internally, metatarsals also underwent up to 65 deg of long-axis rotation. Such reorientation, which correlated with skew, was constrained by the overlapping arrangement of the obliquely expanded metatarsal bases. Such a proximally overlapping metatarsal morphology is shared by fossil archosaurs and archosaur relatives. In these extinct taxa, we suggest that intermetatarsal mobility likely played a significant role in maintaining ground contact across plantigrade postural extremes. Summary: We measured 3D metatarsal kinematics in American alligators. Alligator metatarsals conform with the ground across a diversity of high walk and maneuvering postures, providing a context for interpreting the evolutionary history of metatarsals in the fossil record.
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Affiliation(s)
- Morgan L Turner
- Department of Ecology and Evolutionary Biology, Division of Biology and Medicine, Brown University, Providence, RI 02912, USA.,Department of Computer Science and Engineering, University of Minnesota, Minneapolis, MN 55455, USA
| | - Stephen M Gatesy
- Department of Ecology and Evolutionary Biology, Division of Biology and Medicine, Brown University, Providence, RI 02912, USA
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33
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Mihcin S, Ciklacandir S, Kocak M, Tosun A. Wearable Motion Capture System Evaluation for Biomechanical Studies for Hip Joints. J Biomech Eng 2021; 143:044504. [PMID: 34043760 DOI: 10.1115/1.4049199] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Indexed: 11/08/2022]
Abstract
Human motion capture (MOCAP) systems are vital while determining the loads occurring at the joints. Most of the clinical MOCAP systems are very costly, requiring investment and infrastructure. Therefore, alternative technologies are in demand. In this study, a novel markerless wearable MOCAP system was assessed for its compatibility with a biomechanical modeling software. To collect evidence, experiments were designed in two stages for quantifying the range of motion (ROM) of the hip joint, in vitro and in vivo. Three constrained single-plane motions-abduction/adduction, flexion/extension, and internal/external rotation movements of the active leg-were analyzed. The data were collected from 14 healthy volunteers, using the wearable system and a medical grade optoelectronic MOCAP system simultaneously and compared against. For the in vitro study, the root-mean-square error (RMSE) for the abduction/adduction motion of the hip joint was calculated as 0.11 deg/0.30 deg and 0.11 deg/0.09 deg, respectively, for the wearable and the opto-electronic system. The in vivo Bland-Altman plots showed that the two system data are comparable. The simulation software is found compatible to run the simulations in offline mode. The wearable system could be utilized in the field of biomechanics software for running the kinetic simulations. The results demonstrated that the wearable system could be an alternative in the field of biomechanics based on the evidence collected.
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Affiliation(s)
- Senay Mihcin
- Mechanical Engineering Department, Izmir Institute of High Technology, Izmir 35620, Turkey
| | - Samet Ciklacandir
- Biomedical Engineering, Izmir Katip Celebi Universitesi, Izmir 35620, Turkey
| | - Mertcan Kocak
- Mechatronics Department, Izmir Katip Celebi Universitesi, Izmir 35620, Turkey
| | - Aliye Tosun
- Izmir Ataturk Research and Training Hospital, Izmir 35620, Turkey
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34
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Schallig W, Streekstra GJ, Hulshof CM, Kleipool RP, Dobbe JGG, Maas M, Harlaar J, van der Krogt MM, van den Noort JC. The influence of soft tissue artifacts on multi-segment foot kinematics. J Biomech 2021; 120:110359. [PMID: 33730563 DOI: 10.1016/j.jbiomech.2021.110359] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 01/11/2021] [Accepted: 02/22/2021] [Indexed: 11/19/2022]
Abstract
Movement of skin markers with respect to their underlying bone (i.e. soft tissue artifacts (STAs)) might corrupt the accuracy of marker-based movement analyses. This study aims to quantify STAs in 3D for foot markers and their effect on multi-segment foot kinematics as calculated by the Oxford and Rizzoli Foot Models (OFM, RFM). Fifteen subjects with asymptomatic feet were seated on a custom-made loading device on a computed tomography (CT) table, with a combined OFM and RFM marker set on their right foot. One unloaded reference CT-scan with neutral foot position was performed, followed by 9 loaded CT-scans at different foot positions. The 3D-displacement (i.e. STA) of each marker in the underlying bone coordinate system between the reference scan and other scans was calculated. Subsequently, segment orientations and joint angles were calculated from the marker positions according to OFM and RFM definitions with and without STAs. The differences in degrees were defined as the errors caused by the marker displacements. Markers on the lateral malleolus and proximally on the posterior aspect of the calcaneus showed the largest STAs. The hindfoot-shank joint angle was most affected by STAs in the most extreme foot position (40° plantar flexion) in the sagittal plane for RFM (mean: 6.7°, max: 11.8°) and the transverse plane for OFM (mean: 3.9°, max: 6.8°). This study showed that STAs introduce clinically relevant errors in multi-segment foot kinematics. Moreover, it identified marker locations that are most affected by STAs, suggesting that their use within multi-segment foot models should be reconsidered.
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Affiliation(s)
- Wouter Schallig
- Amsterdam UMC, Vrije Universiteit Amsterdam, Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands; Amsterdam UMC, University of Amsterdam, Radiology and Nuclear Medicine, Medical Imaging Quantification Center (MIQC), Amsterdam Movement Sciences, Meibergdreef 9, Amsterdam, the Netherlands.
| | - Geert J Streekstra
- Amsterdam UMC, University of Amsterdam, Radiology and Nuclear Medicine, Medical Imaging Quantification Center (MIQC), Amsterdam Movement Sciences, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC, University of Amsterdam, Biomedical Engineering and Physics, Amsterdam Movement Sciences, Meibergdreef 9, Amsterdam, the Netherlands
| | - Chantal M Hulshof
- Amsterdam UMC, Vrije Universiteit Amsterdam, Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands
| | - Roeland P Kleipool
- Amsterdam UMC, University of Amsterdam, Medical Biology, Amsterdam Movement Sciences, Meibergdreef 9, Amsterdam, the Netherlands
| | - Johannes G G Dobbe
- Amsterdam UMC, University of Amsterdam, Biomedical Engineering and Physics, Amsterdam Movement Sciences, Meibergdreef 9, Amsterdam, the Netherlands
| | - Mario Maas
- Amsterdam UMC, University of Amsterdam, Radiology and Nuclear Medicine, Medical Imaging Quantification Center (MIQC), Amsterdam Movement Sciences, Meibergdreef 9, Amsterdam, the Netherlands
| | - Jaap Harlaar
- Amsterdam UMC, Vrije Universiteit Amsterdam, Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands; Department of Biomechanical Engineering, Delft University of Technology, Delft, the Netherlands
| | - Marjolein M van der Krogt
- Amsterdam UMC, Vrije Universiteit Amsterdam, Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands
| | - Josien C van den Noort
- Amsterdam UMC, Vrije Universiteit Amsterdam, Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands; Amsterdam UMC, University of Amsterdam, Radiology and Nuclear Medicine, Medical Imaging Quantification Center (MIQC), Amsterdam Movement Sciences, Meibergdreef 9, Amsterdam, the Netherlands
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35
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McHugh B, Akhbari B, Morton AM, Moore DC, Crisco JJ. Optical motion capture accuracy is task-dependent in assessing wrist motion. J Biomech 2021; 120:110362. [PMID: 33752132 DOI: 10.1016/j.jbiomech.2021.110362] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 01/24/2021] [Accepted: 02/22/2021] [Indexed: 11/18/2022]
Abstract
Optical motion capture (OMC) systems are commonly used to capture in-vivo three-dimensional joint kinematics. However, the skin-based markers may not reflect the underlying bone movement, a source of error known as soft tissue artifact (STA). This study examined STA during wrist motion by evaluating the agreement between OMC and biplanar videoradiography (BVR). Nine subjects completed 7 different wrist motion tasks: doorknob rotation to capture supination and pronation, radial-ulnar deviation, flexion-extension, circumduction, hammering, and pitcher pouring. BVR and OMC captured the motion simultaneously. Wrist kinematics were quantified using helical motion parameters of rotation and translation, and Bland-Altman analysis quantified the mean difference (bias) and 95% limit of agreement (LOA). The rotational bias of doorknob pronation, a median bias of -4.9°, was significantly larger than the flexion-extension (0.7°, p < 0.05) and radial-ulnar deviation (1.8°, p < 0.01) tasks. The rotational LOA range was significantly smaller in the flexion-extension task (5.9°) compared to pitcher (11.6°, p < 0.05) and doorknob pronation (17.9°, p < 0.05) tasks. The translation bias did not differ between tasks. The translation LOA range was significantly larger in circumduction (9.8°) compared to the radial-ulnar deviation (6.3°, p < 0.05) and pitcher (3.4°, p < 0.05) tasks. While OMC technology has a wide-range of successful applications, we demonstrated it has relatively poor agreement with BVR in tracking wrist motion, and that the agreement depends on the nature and direction of wrist motion.
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Affiliation(s)
- Brian McHugh
- Center for Biomedical Engineering and School of Engineering, Brown University, Providence, RI 02912, United States.
| | - Bardiya Akhbari
- Center for Biomedical Engineering and School of Engineering, Brown University, Providence, RI 02912, United States.
| | - Amy M Morton
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02903, United States.
| | - Douglas C Moore
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02903, United States.
| | - Joseph J Crisco
- Center for Biomedical Engineering and School of Engineering, Brown University, Providence, RI 02912, United States; Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02903, United States.
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36
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Roach KE, Foreman KB, MacWilliams BA, Karpos K, Nichols J, Anderson AE. The modified Shriners Hospitals for Children Greenville (mSHCG) multi-segment foot model provides clinically acceptable measurements of ankle and midfoot angles: A dual fluoroscopy study. Gait Posture 2021; 85:258-265. [PMID: 33626450 PMCID: PMC8085108 DOI: 10.1016/j.gaitpost.2021.02.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 09/28/2020] [Accepted: 02/05/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Several multi-segment foot models have been developed to evaluate foot and ankle motion using skin-marker motion analysis. However, few multi-segment models have been evaluated against a reference standard to establish kinematic accuracy. RESEARCH QUESTION How accurately do skin-markers estimate foot and ankle motion for the modified Shriners Hospitals for Children Greenville (mSHCG) multi-segment foot model when compared against the reference standard, dual fluoroscopy (DF), during gait, in asymptomatic participants? METHODS Five participants walked overground as full-body skin-marker trajectory data and DF images of the foot and shank were simultaneously acquired. Using the mSHCG model, ankle and midfoot angles were calculated throughout stance for both motion analysis techniques. Statistical parametric mapping assessed differences in joint angles and marker positions between skin-marker and DF motion analysis techniques. Paired t tests, and linear regression models were used to compare joint angles and range of motion (ROM) calculated from the two techniques. RESULTS In the coronal plane, the skin-marker model significantly overestimated ROM (p = 0.028). Further, the DF model midfoot ROM was significantly positively related to differences between DF and skin-marker midfoot angles (p = 0.035, adjusted R2 = 0.76). In the sagittal plane, skin-markers underestimated ankle angles by as much as 7.26°, while midfoot angles were overestimated by as much as 9.01°. However, DF and skin-marker joint angles were not significantly different over stance. Skin-markers on the tibia, calcaneus, and fifth metatarsal had significantly different positions than the DF markers along the direction of walking for isolated portions that were less than 10 % of stance. Euclidean distances between DF and skin-markers positions were less than 9.36 mm. SIGNIFICANCE As the accuracy of the mSHCG model was formerly unknown, the results of this study provide ranges of confidence for key angles calculated by this model.
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Affiliation(s)
- Koren E. Roach
- Department of Radiology and Biomedical Imaging, 185 Berry St., Suite 350, San Francisco, CA 94107,Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, UT 84108,Department of Biomedical Engineering, University of Utah, 72 Central Campus Dr, Salt Lake City, UT 84112
| | - K. Bo Foreman
- Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, UT 84108,Department of Physical Therapy and Athletic Training, University of Utah, 520 Wakara Way, Suite 240, Salt Lake City, UT 84108
| | - Bruce A. MacWilliams
- Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, UT 84108,Motion Analysis Center, Shriners Hospitals for Children, 1275 Fairfax Rd., Salt Lake City, UT 84103, USA
| | - Kostantino Karpos
- Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, UT 84108,Department of Physics, Arizona State University, 550 E Tyler Drive Tempe, AZ 85287
| | - Jennifer Nichols
- Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, UT 84108,J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, 1275 Center Drive, Gainesville, FL 32611
| | - Andrew E. Anderson
- Department of Orthopaedics, University of Utah, 590 Wakara Way, Salt Lake City, UT 84108,Department of Biomedical Engineering, University of Utah, 72 Central Campus Dr, Salt Lake City, UT 84112,Department of Physical Therapy and Athletic Training, University of Utah, 520 Wakara Way, Suite 240, Salt Lake City, UT 84108,Scientific Computing and Imaging Institute, University of Utah, 72 Central Campus Dr, Salt Lake City, UT 84112
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Akhbari B, Morton AM, Moore DC, Crisco JJ. Biplanar Videoradiography to Study the Wrist and Distal Radioulnar Joints. J Vis Exp 2021:10.3791/62102. [PMID: 33616093 PMCID: PMC8182367 DOI: 10.3791/62102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Accurate measurement of skeletal kinematics in vivo is essential for understanding normal joint function, the influence of pathology, disease progression, and the effects of treatments. Measurement systems that use skin surface markers to infer skeletal motion have provided important insight into normal and pathological kinematics, however, accurate arthrokinematics cannot be attained using these systems, especially during dynamic activities. In the past two decades, biplanar videoradiography (BVR) systems have enabled many researchers to directly study the skeletal kinematics of the joints during activities of daily living. To implement BVR systems for the distal upper extremity, videoradiographs of the distal radius and the hand are acquired from two calibrated X-ray sources while a subject performs a designated task. Three-dimensional (3D) rigid-body positions are computed from the videoradiographs via a best-fit registrations of 3D model projections onto to each BVR view. The 3D models are density-based image volumes of the specific bone derived from independently acquired computed-tomography data. Utilizing graphics processor units and high-performance computing systems, this model-based tracking approach is shown to be fast and accurate in evaluating the wrist and distal radioulnar joint biomechanics. In this study, we first summarized the previous studies that have established the submillimeter and subdegree agreement of BVR with an in vitro optical motion capture system in evaluating the wrist and distal radioulnar joint kinematics. Furthermore, we used BVR to compute the center of rotation behavior of the wrist joint, to evaluate the articulation pattern of the components of the implant upon one another, and to assess the dynamic change of ulnar variance during pronosupination of the forearm. In the future, carpal bones may be captured in greater detail with the addition of flat panel X-ray detectors, more X-ray sources (i.e., multiplanar videoradiography), or advanced computer vision algorithms.
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Affiliation(s)
| | - Amy M Morton
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital
| | - Douglas C Moore
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital
| | - Joseph J Crisco
- Center for Biomedical Engineering, Brown University; Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital
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38
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Deleu PA, Naaim A, Leemrijse T, Dumas R, Devos Bevernage B, Besse JL, Crevoisier X, Chèze L. Impact of foot modeling on the quantification of the effect of total ankle replacement: A pilot study. Gait Posture 2021; 84:308-314. [PMID: 33429193 DOI: 10.1016/j.gaitpost.2020.12.027] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 11/17/2020] [Accepted: 12/22/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Kinematic and kinetic foot models showed that computing ankle joint angles, moments and power with a one-segment foot modeling approach alters kinematics and tends to overestimate ankle joint power. Nevertheless, gait studies continue to implement one-segment foot models to assess the effect of total ankle replacement. RESEARCH QUESTION The objective of this pilot study was to investigate the effect of the foot modeling approach (one-segment versus multi-segment) on how total ankle replacement is estimated to benefit or degrade the patient's biomechanical performance. METHODS Ten subjects with post-traumatic ankle osteoarthritis scheduled for total ankle replacement and 10 asymptomatic subjects were recruited. A one-segment and a multi-segment foot model were used to calculate intrinsic foot joints kinematics and kinetics during gait. A linear mixed model was used to investigate the effect of the foot model on ankle joint kinematic and kinetic analysis and the effect of total ankle replacement. RESULTS Differences in range of motion due to the foot model effect were significant for all the gait subphases of interest except for midstance. Peak power generation was significantly overestimated when computed with the one-segment foot model. Ankle and shank-calcaneus joint dorsi-/plantarflexion range of motion did not increase post-operatively except during the loading response phase. A significant 'group' effect was found for stance and pre-swing phase range of motion, with total ankle replacement patients showing lower range of motion values than controls for dorsi/plantarflexion. SIGNIFICANCE The outcome of this study showed that the 'foot model' had a significant effect on estimates of range of motion and power generation. The findings in our study therefore emphasize the clinical interest of multi-segment foot modeling when assessing the outcome of a therapeutic intervention.
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Affiliation(s)
- Paul-André Deleu
- Univ Lyon, Univ Gustave Eiffel, LBMC UMR_T9406, 43 Bd Du 11 Novembre 1918, F69622, Lyon, France; Foot & Ankle Institute, 5 Avenue Ariane, 1200 Brussels, Belgium.
| | - Alexandre Naaim
- Univ Lyon, Univ Gustave Eiffel, LBMC UMR_T9406, 43 Bd Du 11 Novembre 1918, F69622, Lyon, France.
| | - Thibaut Leemrijse
- Foot & Ankle Institute, 5 Avenue Ariane, 1200 Brussels, Belgium; CHIREC Delta Hospital, 201 Boulevard Du Triomphe, 1160, Brussels, Belgium.
| | - Raphaël Dumas
- Univ Lyon, Univ Gustave Eiffel, LBMC UMR_T9406, 43 Bd Du 11 Novembre 1918, F69622, Lyon, France.
| | - Bernhard Devos Bevernage
- Foot & Ankle Institute, 5 Avenue Ariane, 1200 Brussels, Belgium; CHIREC Delta Hospital, 201 Boulevard Du Triomphe, 1160, Brussels, Belgium.
| | - Jean-Luc Besse
- Hospices Civils De Lyon, Centre Hospitalier Lyon-Sud, Service De Chirurgie Orthopédique Et Traumatologique, 69495 Pierre-Bénite Cédex, France.
| | - Xavier Crevoisier
- Department of Orthopedics and Traumatology, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland.
| | - Laurence Chèze
- Univ Lyon, Univ Gustave Eiffel, LBMC UMR_T9406, 43 Bd Du 11 Novembre 1918, F69622, Lyon, France.
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Welte L, Kelly LA, Kessler SE, Lieberman DE, D'Andrea SE, Lichtwark GA, Rainbow MJ. The extensibility of the plantar fascia influences the windlass mechanism during human running. Proc Biol Sci 2021; 288:20202095. [PMID: 33468002 DOI: 10.1098/rspb.2020.2095] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The arch of the human foot is unique among hominins as it is compliant at ground contact but sufficiently stiff to enable push-off. These behaviours are partly facilitated by the ligamentous plantar fascia whose role is central to two mechanisms. The ideal windlass mechanism assumes that the plantar fascia has a nearly constant length to directly couple toe dorsiflexion with a change in arch shape. However, the plantar fascia also stretches and then shortens throughout gait as the arch-spring stores and releases elastic energy. We aimed to understand how the extensible plantar fascia could behave as an ideal windlass when it has been shown to strain throughout gait, potentially compromising the one-to-one coupling between toe arc length and arch length. We measured foot bone motion and plantar fascia elongation using high-speed X-ray during running. We discovered that toe plantarflexion delays plantar fascia stretching at foot strike, which probably modifies the distribution of the load through other arch tissues. Through a pure windlass effect in propulsion, a quasi-isometric plantar fascia's shortening is delayed to later in stance. The plantar fascia then shortens concurrently to the windlass mechanism, likely enhancing arch recoil at push-off.
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Affiliation(s)
- Lauren Welte
- Department of Mechanical and Materials Engineering, Queen's University, Kingston, Ontario, Canada
| | - Luke A Kelly
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Sarah E Kessler
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Queensland, Australia.,Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - Daniel E Lieberman
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - Susan E D'Andrea
- Department of Kinesiology, University of Rhode Island, Kingston, RI, USA
| | - Glen A Lichtwark
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Michael J Rainbow
- Department of Mechanical and Materials Engineering, Queen's University, Kingston, Ontario, Canada
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Holowka NB, Richards A, Sibson BE, Lieberman DE. The human foot functions like a spring of adjustable stiffness during running. J Exp Biol 2021; 224:jeb219667. [PMID: 33199449 DOI: 10.1242/jeb.219667] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 11/09/2020] [Indexed: 12/22/2022]
Abstract
Like other animals, humans use their legs like springs to save energy during running. One potential contributor to leg stiffness in humans is the longitudinal arch (LA) of the foot. Studies of cadaveric feet have demonstrated that the LA can function like a spring, but it is unknown whether humans can adjust LA stiffness in coordination with more proximal joints to help control leg stiffness during running. Here, we used 3D motion capture to record 27 adult participants running on a forceplate-instrumented treadmill, and calculated LA stiffness using beam bending and midfoot kinematics models of the foot. Because changing stride frequency causes humans to adjust overall leg stiffness, we had participants run at their preferred frequency and frequencies 35% above and 20% below preferred frequency to test for similar adjustments in the LA. Regardless of which foot model we used, we found that participants increased LA quasi-stiffness significantly between low and high frequency runs, mirroring changes at the ankle, knee and leg overall. However, among foot models, we found that the model incorporating triceps surae force into bending force on the foot produced unrealistically high LA work estimates, leading us to discourage this modeling approach. Additionally, we found that there was not a consistent correlation between LA height and quasi-stiffness values among the participants, indicating that static LA height measurements are not good predictors of dynamic function. Overall, our findings support the hypothesis that humans dynamically adjust LA stiffness during running in concert with other structures of the leg.
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Affiliation(s)
- Nicholas B Holowka
- Department of Anthropology, University at Buffalo, 380 Academic Center, Buffalo, NY 14261, USA
- Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue, Cambridge, MA 02138, USA
| | - Alexander Richards
- Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue, Cambridge, MA 02138, USA
| | - Benjamin E Sibson
- Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue, Cambridge, MA 02138, USA
| | - Daniel E Lieberman
- Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue, Cambridge, MA 02138, USA
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The effect of marker size on three-dimensional motion analysis of the foot. Gait Posture 2020; 82:217-219. [PMID: 32950920 DOI: 10.1016/j.gaitpost.2020.09.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/22/2020] [Accepted: 09/03/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND In the field of three-dimensional motion analysis of the foot, there is little agreement on the preferred size of markers to record kinematic parameters. Although currently applied marker sizes show a considerable range, there has been no detailed investigation of the effect of marker size on the calculation of foot kinematics in the current literature. RESEARCH QUESTION The objective of this research was to determine whether marker size impacts essential parameters that describe foot biomechanics. METHODS Seventeen subjects participated in this randomized repeatability study. All participants had to walk on a treadmill twice to test two sets of markers (set A: small marker, 9.5 mm, 1 g; set B: large marker, 14 mm, 2 g). Three-dimensional motion capturing was used to record the trajectories of the markers. The spatial relation of the markers, as well as vertical motion of the navicular bone and the angle of the medial longitudinal arch were calculated based on the marker trajectories. In addition to motion capturing, skin rigidity was quantified by applying an oscillatory shear force to the skin. Analysis of variance, root-mean-square error calculations and linear fit methods were applied to evaluate effects of marker size on the calculation of foot kinematics and the impact of skin rigidity. RESULTS The estimated foot kinematics appeared to be unaffected by the size of the markers. Further, there was no evidence that skin rigidity influenced the error of the marker trajectories. Interestingly, the large markers fell off more frequently. SIGNIFICANCE The findings will be of interest to those who use marker-based three-dimensional motion capturing, especially to analyze foot biomechanics. Although the calculation of kinematic parameters appears to be unaffected by marker size, practical aspects, like accidental marker loss, favor the application of small markers.
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Zhu G, Wang Z, Yuan C, Geng X, Yu J, Zhang C, Huang J, Wang X, Ma X. In vitro study of foot bone kinematics via a custom-made cadaveric gait simulator. J Orthop Surg Res 2020; 15:346. [PMID: 32838808 PMCID: PMC7446206 DOI: 10.1186/s13018-020-01830-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 07/29/2020] [Indexed: 11/22/2022] Open
Abstract
Background Quantifying detailed kinematics of the intrinsic foot bone during gait is crucial for understanding biomechanical functions of the foot complex musculoskeletal structure and making appropriate surgery decisions. Research question The purpose of this experiment is to measure bone kinematic of the normal foot in a gait cycle via a custom-made cadaveric gait simulator. Methods In this experiment, we used a custom-made 6 degrees of freedom (DOF) of robotic gait simulator simulating normal human gait to measure the 3-dimensional (3D) kinematics of tibia, calcaneus, cuboid, navicular, medial cuneiform, first metatarsal, and fifth metatarsal through six cadaveric feet. Results The results showed that the kinematic of the intrinsic foot bones in the stance phase of the gait was successfully quantified using a custom-made robotic gait simulator. During walking stance, the joints in the medial column of foot had less movement than those in the lateral column. And during the later portion of stance, no rotational cease was observed in the movement between navicular and cuboid, calcaneocuboid joint, or cuneonavicular joint. Conclusion This study described foot bone motion using a biomechanically near-physiological gait simulator with 6 DOF of the tibia. The kinematic data helps to clarify previous descriptions of several joint kinematics that are difficult to study in vivo. The methodology also provides a platform for researchers to explore more invasive foot biomechanics under dynamic and near-physiologic conditions.
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Affiliation(s)
- Genrui Zhu
- Department of Orthopedics, Huashan Hospital, Fudan University, No.12, Middle Wulumuqi Road, Jingan District, Shanghai, China
| | - Zhifeng Wang
- Department of Orthopedics, Huashan Hospital, Fudan University, No.12, Middle Wulumuqi Road, Jingan District, Shanghai, China
| | - Chengjie Yuan
- Department of Orthopedics, Huashan Hospital, Fudan University, No.12, Middle Wulumuqi Road, Jingan District, Shanghai, China
| | - Xiang Geng
- Department of Orthopedics, Huashan Hospital, Fudan University, No.12, Middle Wulumuqi Road, Jingan District, Shanghai, China
| | - Jian Yu
- Department of Orthopedics, Huashan Hospital, Fudan University, No.12, Middle Wulumuqi Road, Jingan District, Shanghai, China
| | - Chao Zhang
- Department of Orthopedics, Huashan Hospital, Fudan University, No.12, Middle Wulumuqi Road, Jingan District, Shanghai, China
| | - Jiazhang Huang
- Department of Orthopedics, Huashan Hospital, Fudan University, No.12, Middle Wulumuqi Road, Jingan District, Shanghai, China
| | - Xu Wang
- Department of Orthopedics, Huashan Hospital, Fudan University, No.12, Middle Wulumuqi Road, Jingan District, Shanghai, China.
| | - Xin Ma
- Department of Orthopedics, Huashan Hospital, Fudan University, No.12, Middle Wulumuqi Road, Jingan District, Shanghai, China
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Zhang Y, Chen Z, Peng Y, Zhao H, Liang X, Jin Z. Predicting ground reaction and tibiotalar contact forces after total ankle arthroplasty during walking. Proc Inst Mech Eng H 2020; 234:1432-1444. [PMID: 32741296 DOI: 10.1177/0954411920947208] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The motion capture and force plates data are essential inputs for musculoskeletal multibody dynamics models to predict in vivo tibiotalar contact forces. However, it could be almost impossible to obtain valid force plates data in old patients undergoing total ankle arthroplasty under some circumstances, such as smaller gait strides and inconsistent walking speeds during gait analysis. To remove the dependence of force plates, this study has established a patient-specific musculoskeletal multibody dynamics model with total ankle arthroplasty by combining a foot-ground contact model based on elastic contact elements. And the established model could predict ground reaction forces, ground reaction moments and tibiotalar contact forces simultaneously. Three patients' motion capture and force plates data during their normal walking were used to establish the patient-specific musculoskeletal models and evaluate the predicted ground reaction forces and ground reaction moments. Reasonable accuracies were achieved for the predicted and measured ground reaction forces and ground reaction moments. The predicted tibiotalar contact forces for all patients using the foot-ground contact model had good consistency with those using force plates data. These findings suggested that the foot-ground contact model could take the place of the force plates data for predicting the tibiotalar contact forces in other total ankle arthroplasty patients, thus providing a simplified and valid platform for further study of the patient-specific prosthetic designs and clinical problems of total ankle arthroplasty in the absence of force plates data.
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Affiliation(s)
- Yanwei Zhang
- State Key Laboratory for Manufacturing System Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Zhenxian Chen
- Key Laboratory of Road Construction Technology and Equipment (Ministry of Education), School of Mechanical Engineering, Chang'an University, Xi'an, China
| | - Yinghu Peng
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Hongmou Zhao
- Foot and Ankle Surgery Department, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Xiaojun Liang
- Foot and Ankle Surgery Department, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Zhongmin Jin
- State Key Laboratory for Manufacturing System Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, China.,Tribology Research Institute, School of Mechanical Engineering, Southwest Jiaotong University, Chengdu, China.,Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds, UK
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44
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Akhbari B, Morton AM, Shah KN, Molino J, Moore DC, Weiss APC, Wolfe SW, Crisco JJ. Proximal-distal shift of the center of rotation in a total wrist arthroplasty is more than twice of the healthy wrist. J Orthop Res 2020; 38:1575-1586. [PMID: 32401391 PMCID: PMC7336861 DOI: 10.1002/jor.24717] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 03/02/2020] [Accepted: 05/08/2020] [Indexed: 02/04/2023]
Abstract
Reproduction of healthy wrist biomechanics should minimize the abnormal joint forces that could potentially result in the failure of a total wrist arthroplasty (TWA). To date, the in vivo kinematics of TWA have not been measured and it is unknown if TWA preserves healthy wrist kinematics. Therefore, the purpose of this in vivo study was to determine the center of rotation (COR) for a current TWA design and to compare its location to the healthy wrist. The wrist COR for six patients with TWA and 10 healthy subjects were calculated using biplane videoradiography as the subjects performed various range-of-motion and functional tasks that included coupled wrist motions. An open-source registration software, Autoscoper, was used for model-based tracking and kinematics analysis. It was demonstrated that the COR was located near the centers of curvatures of the carpal component for the anatomical motions of flexion-extension and radial-ulnar deviation. When compared to healthy wrists, the COR of TWAs was located more distal in both pure radial deviation (P < .0001) and pure ulnar deviation (P = .07), while there was no difference in its location in pure flexion or extension (P = .99). Across all coupled motions, the TWA's COR shifted more than two times that of the healthy wrists in the proximal-distal direction (17.1 vs 7.2 mm). We postulate that the mismatch in the COR location and behavior may be associated with increased loading of the TWA components, leading to an increase in the risk of component and/or interface failure.
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Affiliation(s)
- Bardiya Akhbari
- Center for Biomedical Engineering and School of Engineering, Brown University, Providence, RI 02912
| | - Amy M. Morton
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02903
| | - Kalpit N. Shah
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02903
| | - Janine Molino
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02903
| | - Douglas C. Moore
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02903
| | - Arnold-Peter C. Weiss
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02903
| | - Scott W. Wolfe
- Hand and Upper Extremity Center, Hospital for Special Surgery, New York, NY 10021,Weill Medical College of Cornell University, New York, NY 10021
| | - Joseph J. Crisco
- Center for Biomedical Engineering and School of Engineering, Brown University, Providence, RI 02912,Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02903
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Kessler SE, Lichtwark GA, Welte LK, Rainbow MJ, Kelly LA. Regulation of foot and ankle quasi-stiffness during human hopping across a range of frequencies. J Biomech 2020; 108:109853. [DOI: 10.1016/j.jbiomech.2020.109853] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 04/30/2020] [Accepted: 05/17/2020] [Indexed: 01/26/2023]
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Deleu PA, Chèze L, Dumas R, Besse JL, Leemrijse T, Devos Bevernage B, Birch I, Naaim A. Intrinsic foot joints adapt a stabilized-resistive configuration during the stance phase. J Foot Ankle Res 2020; 13:13. [PMID: 32164783 PMCID: PMC7068936 DOI: 10.1186/s13047-020-0381-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 03/02/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND This study evaluated the 3D angle between the joint moment and the joint angular velocity vectors at the intrinsic foot joints, and investigated if these joints are predominantly driven or stabilized during gait. METHODS The participants were 20 asymptomatic subjects. A four-segment kinetic foot model was used to calculate and estimate intrinsic foot joint moments, powers and angular velocities during gait. 3D angles between the joint moment and the joint angular velocity vectors were calculated for the intrinsic foot joints defined as follows: ankle joint motion described between the foot and the shank for the one-segment foot model (hereafter referred as Ankle), and between the calcaneus and the shank for the multi-segment foot model (hereafter referred as Shank-Calcaneus); joint motion described between calcaneus and midfoot segments (hereafter referred as Chopart joint); joint motion described between midfoot and metatarsus segments (hereafter referred as Lisfranc joint); joint motion described between first phalanx and first metatarsal (hereafter referred as First Metatarso-Phalangeal joint). When the vectors were approximately aligned, the moment was considered to result in propulsion (3D angle <60o) or resistance (3D angle >120o) at the joint. When the vectors are approximately orthogonal (3D angle close to 90°), the moment was considered to stabilize the joint. RESULTS The results showed that the four intrinsic joints of the foot are never fully propelling, resisting or being stabilized, but are instead subject to a combination of stabilization with propulsion or resistance during the majority of the stance phase of gait. However, the results also show that during pre-swing all four the joints are subject to moments that result purely in propulsion. At heel off, the propulsive configuration appears for the Lisfranc joint first at terminal stance, then for the other foot joints at pre-swing in the following order: Ankle, Chopart joint and First Metatarso-Phalangeal joint. CONCLUSIONS Intrinsic foot joints adopt a stabilized-resistive configuration during the majority of the stance phase, with the exception of pre-swing during which all joints were found to adopt a propulsive configuration. The notion of stabilization, resistance and propulsion should be further investigated in subjects with foot and ankle disorders.
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Affiliation(s)
- Paul-André Deleu
- Univ Lyon, Université Claude Bernard Lyon 1, Univ Gustave Eiffel, IFSTTAR, LBMC UMR_T9406, F69622, Lyon, France. .,Foot & Ankle Institute, Brussels, Belgium.
| | - Laurence Chèze
- Univ Lyon, Université Claude Bernard Lyon 1, Univ Gustave Eiffel, IFSTTAR, LBMC UMR_T9406, F69622, Lyon, France
| | - Raphaël Dumas
- Univ Lyon, Université Claude Bernard Lyon 1, Univ Gustave Eiffel, IFSTTAR, LBMC UMR_T9406, F69622, Lyon, France
| | - Jean-Luc Besse
- Hospices Civils de Lyon, Centre Hospitalier Lyon-Sud, Service de Chirurgie Orthopédique et Traumatologique, Lyon, France
| | | | | | - Ivan Birch
- Sheffield Teaching Hospitals NHS Foundation Trust, Woodhouse Clinic, 3 Skelton Lane, Sheffield, S13 7LY, UK
| | - Alexandre Naaim
- Univ Lyon, Université Claude Bernard Lyon 1, Univ Gustave Eiffel, IFSTTAR, LBMC UMR_T9406, F69622, Lyon, France
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Maharaj JN, Kessler S, Rainbow MJ, D'Andrea SE, Konow N, Kelly LA, Lichtwark GA. The Reliability of Foot and Ankle Bone and Joint Kinematics Measured With Biplanar Videoradiography and Manual Scientific Rotoscoping. Front Bioeng Biotechnol 2020; 8:106. [PMID: 32211386 PMCID: PMC7075816 DOI: 10.3389/fbioe.2020.00106] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 02/03/2020] [Indexed: 11/13/2022] Open
Abstract
The intricate motion of the small bones of the feet are critical for its diverse function. Accurately measuring the 3-dimensional (3D) motion of these bones has attracted much attention over the years and until recently, was limited to invasive techniques or quantification of functional segments using multi-segment foot models. Biplanar videoradiography and model-based scientific rotoscoping offers an exciting alternative that allows us to focus on the intricate motion of individual bones in the foot. However, scientific rotoscoping, the process of rotating and translating a 3D bone model so that it aligns with the captured x-ray images, is either semi- or completely manual and it is unknown how much human error affects tracking results. Thus, the aim of this study was to quantify the inter- and intra-operator reliability of manually rotoscoping in vivo bone motion of the tibia, talus, and calcaneus during running. Three-dimensional CT bone volumes and high-speed biplanar videoradiography images of the foot were acquired on six participants. The six-degree-of-freedom motions of the tibia, talus, and calcaneus were determined using a manual markerless registration algorithm. Two operators performed the tracking, and additionally, the first operator re-tracked all bones, to test for intra-operator effects. Mean RMS errors were 1.86 mm and 1.90° for intra-operator comparisons and 2.30 mm and 2.60° for inter-operator comparisons across all bones and planes. The moderate to strong similarity values indicate that tracking bones and joint kinematics between sessions and operators is reliable for running. These errors are likely acceptable for defining gross joint angles. However, this magnitude of error may limit the capacity to perform advanced analyses of joint interactions, particularly those that require precise (sub-millimeter) estimates of bone position and orientation. Optimizing the view and image quality of the biplanar videoradiography system as well as the automated tracking algorithms for rotoscoping bones in the foot are required to reduce these errors and the time burden associated with the manual processing.
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Affiliation(s)
- Jayishni N Maharaj
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Sarah Kessler
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Michael J Rainbow
- Department of Mechanical and Materials Engineering, Queen's University, Kingston, ON, Canada
| | - Susan E D'Andrea
- Department of Orthopaedics, Brown University, Providence, RI, United States.,Department of Kinesiology, The University of Rhode Island, Kingston, RI, United States
| | - Nicolai Konow
- Department of Biological Science, University of Massachusetts, Lowell, MA, United States
| | - Luke A Kelly
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Glen A Lichtwark
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, QLD, Australia
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Apps C, Rodrigues P, Isherwood J, Lake M. Footwear insoles with higher frictional properties enhance performance by reducing in-shoe sliding during rapid changes of direction. J Sports Sci 2019; 38:206-213. [PMID: 31722621 DOI: 10.1080/02640414.2019.1690618] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A novel 3D motion capture analysis assessed the efficacy of insoles in maintaining the foot position on the midsole platform inside the shoe during rapid change of direction manoeuvres used in team sports. An insole (TI) with increased static (35%) and dynamic (49%) coefficient of friction compared to a regular insole (SI) was tested. Change of direction performance was faster (p < .001) and perceived to be faster (p < .001) in TI compared to SI. Participants utilised greater coefficient of friction in TI compared to SI during a complete turn, but not during a 20 degree side-cut. In-shoe foot sliding reduced across the forefoot and midfoot during the braking phase of the turn and in the rearfoot during the side-cut in TI. Greater in-shoe foot sliding occurred in the turn than the side-cut across all foot regions. Results provide guidance for athletic footwear design to help limit in-shoe foot sliding and improve change of direction performance.
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Affiliation(s)
- Charlotte Apps
- School of Science and Technology, Nottingham Trent University, Nottingham, UK.,School of Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
| | - Pedro Rodrigues
- Sports Research Laboratory, New Balance Athletics, Inc, Boston, MA, USA
| | - Joshua Isherwood
- School of Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
| | - Mark Lake
- School of Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
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