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Kawakami W, Iwamoto Y, Ota M, Ishii Y, Takahashi M. Individuals with asymptomatic hallux valgus exhibit altered foot kinematics during gait regardless of their foot posture. Clin Biomech (Bristol, Avon) 2024; 118:106319. [PMID: 39106589 DOI: 10.1016/j.clinbiomech.2024.106319] [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: 03/06/2024] [Revised: 07/08/2024] [Accepted: 07/30/2024] [Indexed: 08/09/2024]
Abstract
BACKGROUND A flatfoot has been believed to be closely associated with the development of hallux valgus; however, the association is still controversial. Abnormal foot kinematics has been identified as a possible risk factor for the development of hallux valgus, but it remains unclear whether foot posture contributes to abnormal foot kinematics. This is the first study to investigate the differences in foot kinematics during gait between individuals with and without hallux valgus, while controlling for foot posture. METHODS Twenty-five females with hallux valgus and 25 healthy females aged 18 to 22 were recruited. Foot posture was measured using normalized navicular height truncated and the leg-heel angle. Foot kinematic and kinetic data during gait were recorded by a three-dimensional motion capture system. To investigate the characteristics of foot kinematics in individuals with hallux valgus while controlling for foot posture, we used a propensity score matching method. The matching was obtained by using the 1:1 nearest-neighbor procedure and a caliper width of 0.2. FINDINGS Twelve pairs were matched. Individuals with hallux valgus had significantly increased midfoot dorsiflexion from 56% to 80% during stance phase, rearfoot eversion from 53% to 71%, and forefoot abduction from 5% to 29% compared with control. INTERPRETATION Individuals with hallux valgus have a flexible foot that cannot suppress the dynamic deformation of the rearfoot and midfoot during gait. To suppress the development of hallux valgus, interventions that aim to prevent dynamic deformations of the rearfoot and midfoot during gait may be necessary, regardless of their static foot posture.
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Affiliation(s)
- Wataru Kawakami
- Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yoshitaka Iwamoto
- Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan; Center for Advanced Practice and Research of Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Mitsuhiro Ota
- Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yosuke Ishii
- Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan; Center for Advanced Practice and Research of Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Makoto Takahashi
- Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan; Center for Advanced Practice and Research of Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
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Smith LA, LaCour MT, Cates HE, Komistek RD. Can Asymmetry in Total Knee Arthroplasty Design Lead to More Normal-Like Postoperative Kinematics? A Multi-Implant Evaluation. J Arthroplasty 2024; 39:1699-1706. [PMID: 38211727 DOI: 10.1016/j.arth.2024.01.001] [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: 09/29/2023] [Revised: 12/18/2023] [Accepted: 01/02/2024] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND Few studies have evaluated the effects of symmetrical versus asymmetrical implant designs, more specifically the femoral condyles, trochlear groove, joint line, and bearing surfaces. The objective of this study was to investigate multiple posterior cruciate-retaining (PCR) total knee arthroplasty (TKA) designs influencing factors related to TKA asymmetry, and to investigate whether asymmetry can improve postoperative knee kinematics. METHODS In vivo tibio-femoral kinematics for 99 subjects was evaluated in this retrospective study. Overall, 10 subjects had a nonimplanted, normal knee, and 89 subjects had 1 of 3 PCR TKAs with varying degrees of asymmetry within their femoral and tibial components (PCR #1 = 30, PCR #2 = 29, PCR #3 = 30). All TKAs were implanted by the same surgeon and were analyzed using fluoroscopy during a deep knee bend. RESULTS At full extension, all 3 PCR TKAs experienced a more posteriorized position of the femoral condyles compared to the normal knee, with the 2 asymmetrical PCR TKAs experiencing more anteriorization compared to the third, symmetrical PCR TKA. Both the normal knee and the PCR TKA with greatest amount of asymmetry experienced statistically more posterior femoral rollback of the lateral condyle than the other 2 PCR TKAs. The PCR TKA with greater asymmetry also experienced statistically greater range of motion than the other 2 PCR TKAs. CONCLUSIONS With increasing flexion, the design with the most asymmetry also experienced the most posterior femoral rollback, axial rotation, and greatest range of motion. The results in this study seem to suggest that the inclusion of asymmetry in a TKA could be beneficial for achieving more normal-like kinematics and greater weight-bearing knee flexion.
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Affiliation(s)
- Lauren A Smith
- Center for Musculoskeletal Research, University of Tennessee-Knoxville, Knoxville, Tennessee
| | - Michael T LaCour
- Center for Musculoskeletal Research, University of Tennessee-Knoxville, Knoxville, Tennessee
| | | | - Richard D Komistek
- Center for Musculoskeletal Research, University of Tennessee-Knoxville, Knoxville, Tennessee
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Sato T, Iida K, Ohkawa T, Fukui T. Relationship between ankle-foot-complex mobility during static loading and frontal moment impulses of knee and hip joints during the stance phase. Gait Posture 2024; 108:301-306. [PMID: 38181482 DOI: 10.1016/j.gaitpost.2023.12.017] [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: 06/13/2023] [Revised: 11/08/2023] [Accepted: 12/20/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Ankle-foot-complex mobility impairments, which can be assessed by the difference between the sitting and standing positions, are related to an increase in the load on the knee and hip joints during the stance phase of the gait. RESEARCH QUESTION What is the relationship between the ankle-foot-complex mobility during static weight bearing and the mechanical stresses on the knee and hip joints throughout the stance phase? METHODS Ankle-foot-complex mobility and gait data were collected from 26 healthy adults. The complex mobility was established by comparing the foot indices, measured using a three-dimensional foot scanner, in sitting and standing positions. The gait data were acquired using eight cameras (recording at 100 Hz) and three force plates (recording at 1000 Hz). Stance phase data were collected via ground reaction forces. The stance phase was dissected into shock absorption and propulsion phases, during which the external knee and hip adduction moment impulses (KAMi, HAMi) were recorded. The correlation between the ankle-foot-complex mobility during static weight bearing and KAMi and HAMi during the stance phase was examined using Pearson's product-moment correlation coefficients. RESULTS This study revealed that KAMi correlated with medial malleolus mobility (r = -0.44) throughout the stance phase. Furthermore, in the propulsive phase, KAMi correlated with calcaneus (r = 0.51) and navicular (r = -0.50) mobilities, whereas HAMi correlated with calcaneus mobility (r = -0.40). SIGNIFICANCE The study provides insights into the relationship between the static mobility of the ankle-foot complex in healthy individuals and mechanical stress during the stance phase. Calcaneus and navicular mobilities were related to efficient push-off in the propulsive phase. Medial malleolus mobility was related to the control of the lateral tilt of the lower limb and ankle dorsiflexion motion throughout the stance phase.
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Affiliation(s)
- Toshihiko Sato
- Department of Physical Therapy, Faculty of Health Science Technology, Bunkyo Gakuin University, 1196 Kamekubo, Fujimino-shi, Saitama 356-8533, Japan.
| | - Kai Iida
- Department of Physical Therapy, Faculty of Health Science Technology, Bunkyo Gakuin University, 1196 Kamekubo, Fujimino-shi, Saitama 356-8533, Japan
| | - Takahiro Ohkawa
- Department of Physical Therapy, Faculty of Health Science Technology, Bunkyo Gakuin University, 1196 Kamekubo, Fujimino-shi, Saitama 356-8533, Japan
| | - Tsutomu Fukui
- Department of Physical Therapy, Faculty of Health Science Technology, Bunkyo Gakuin University, 1196 Kamekubo, Fujimino-shi, Saitama 356-8533, Japan; Health Care Science, Graduate School, Bunkyo Gakuin University, 1-19-1 Mukogaoka, Bunkyo-ku, Tokyo 113-8668, Japan
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Thompson R, Rico Bini R, Paton C, Hébert-Losier K. Validation of LEOMO inertial measurement unit sensors with marker-based three-dimensional motion capture during maximum sprinting in track cyclists. J Sports Sci 2024; 42:179-188. [PMID: 38440835 DOI: 10.1080/02640414.2024.2324604] [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: 03/25/2023] [Accepted: 02/22/2024] [Indexed: 03/06/2024]
Abstract
LEOMO™ is a commercial inertial measurement unit system that provides cycling-specific motion performance indicators (MPIs) and offers a mobile solution for monitoring cyclists. We aimed to validate the LEOMO sensors during sprint cycling using gold-standard marker-based three-dimensional (3D) motion technology (Qualisys, AB). Our secondary aim was to explore the relationship between peak power during sprints and MPIs. Seventeen elite track cyclists performed 3 × 15s seated start maximum efforts on a cycle ergometer. Based on intraclass correlation coefficient (ICC3,1), the MPIs derived from 3D and LEOMO showed moderate agreement (0.50 < 0.75) for the right foot angular range (FAR); left foot angular range first quadrant (FARQ1); right leg angular range (LAR); and mean angle of the pelvis in the sagittal plane. Agreement was poor (ICC < 0.50) between MPIs derived from 3D and LEOMO for the left FAR, right FARQ1, left LAR, and mean range of motion of the pelvis in the frontal and transverse planes. Only one LEOMO-derived (pelvic rotation) and two 3D-derived (right FARQ1 and FAR) MPIs showed large positive significant correlations with peak power. Caution is advised regarding use of the LEOMO for short maximal cycling efforts and derived MPIs to inform peak sprint cycling power production.
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Affiliation(s)
- Roné Thompson
- Division of Health, Engineering, Computing and Science, Te Huataki Waiora School of Health, University of Waikato, Adams Centre for High Performance, Tauranga, New Zealand
- Department of Performance Health, High Performance Sport New Zealand, Grassroots Trust Velodrome, Cambridge, New Zealand
| | | | - Carl Paton
- School of Health and Sport Science, Te Pukenga at Eastern Institute of Technology, Napier, New Zealand
| | - Kim Hébert-Losier
- Division of Health, Engineering, Computing and Science, Te Huataki Waiora School of Health, University of Waikato, Adams Centre for High Performance, Tauranga, New Zealand
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Wu K, Sun X, Ye D, Zhang F, Zhang S, Fu W. Effects of different habitual foot strike patterns on in vivo kinematics of the first metatarsophalangeal joint during shod running-a statistical parametric mapping study. Front Bioeng Biotechnol 2023; 11:1251324. [PMID: 37744258 PMCID: PMC10511762 DOI: 10.3389/fbioe.2023.1251324] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 08/25/2023] [Indexed: 09/26/2023] Open
Abstract
Existing studies on the biomechanical characteristics of the first metatarsophalangeal joint (1st MTPJ) during shod running are limited to sagittal plane assessment and rely on skin marker motion capture, which can be affected by shoes wrapping around the 1st MTPJ and may lead to inaccurate results. This study aims to investigate the in vivo effects of different habitual foot strike patterns (FSP) on the six degrees of freedom (6DOF) values of the 1st MTPJ under shod condition by utilizing a dual-fluoroscopic imaging system (DFIS). Long-distance male runners with habitual forefoot strike (FFS group, n = 15) and rearfoot strike (RFS group, n = 15) patterns were recruited. All participants underwent foot computed tomography (CT) scan to generate 3D models of their foot. The 6DOF kinematics of the 1st MTPJ were collected using a DFIS at 100 Hz when participants performed their habitual FSP under shod conditions. Independent t-tests and one-dimensional statistical parametric mapping (1-d SPM) were employed to analyze the differences between the FFS and RFS groups' 1st MTPJ 6DOF kinematic values during the stance phase. FFS exhibited greater superior translation (3.5-4.9 mm, p = 0.07) during 51%-82% of the stance and higher extension angle (8.4°-10.1°, p = 0.031) during 65%-75% of the stance in the 1st MTPJ than RFS. Meanwhile, FFS exhibited greater maximum superior translation (+3.2 mm, p = 0.022), maximum valgus angle (+6.1°, p = 0.048) and varus-valgus range of motion (ROM) (+6.5°, p = 0.005) in the 1st MTPJ during stance. The greater extension angle of the 1st MTPJ in the late stance suggested that running with FFS may enhance the propulsive effect. However, the higher maximum valgus angle and the ROM of varus-valgus in FFS may potentially lead to the development of hallux valgus.
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Affiliation(s)
- Kaicheng Wu
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Xiaole Sun
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- School of Sports and Health, Nanjing Sport Institute, Nanjing, China
| | - Dongqiang Ye
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- Shanghai Warrior Shoes Co., Ltd., Shanghai, China
| | - Faning Zhang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Shen Zhang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- School of Athletic Performance, Shanghai University of Sport, Shanghai, China
| | - Weijie Fu
- School of Exercise and Health, 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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Demuth OE, Herbst E, Polet DT, Wiseman ALA, Hutchinson JR. Modern three-dimensional digital methods for studying locomotor biomechanics in tetrapods. J Exp Biol 2023; 226:jeb245132. [PMID: 36810943 PMCID: PMC10042237 DOI: 10.1242/jeb.245132] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Here, we review the modern interface of three-dimensional (3D) empirical (e.g. motion capture) and theoretical (e.g. modelling and simulation) approaches to the study of terrestrial locomotion using appendages in tetrapod vertebrates. These tools span a spectrum from more empirical approaches such as XROMM, to potentially more intermediate approaches such as finite element analysis, to more theoretical approaches such as dynamic musculoskeletal simulations or conceptual models. These methods have much in common beyond the importance of 3D digital technologies, and are powerfully synergistic when integrated, opening a wide range of hypotheses that can be tested. We discuss the pitfalls and challenges of these 3D methods, leading to consideration of the problems and potential in their current and future usage. The tools (hardware and software) and approaches (e.g. methods for using hardware and software) in the 3D analysis of tetrapod locomotion have matured to the point where now we can use this integration to answer questions we could never have tackled 20 years ago, and apply insights gleaned from them to other fields.
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Affiliation(s)
- Oliver E. Demuth
- Department of Earth Sciences, University of Cambridge, Cambridge, CB2 3EQ, UK
| | - Eva Herbst
- Palaeontological Institute and Museum, University of Zurich, 8006 Zürich, Switzerland
| | - Delyle T. Polet
- Structure and Motion Laboratory, Department of Comparative Biomedical Sciences, Royal Veterinary College, North Mymms, AL9 7TA, UK
| | - Ashleigh L. A. Wiseman
- McDonald Institute for Archaeological Research, University of Cambridge, Cambridge, CB2 3ER, UK
| | - John R. Hutchinson
- Structure and Motion Laboratory, Department of Comparative Biomedical Sciences, Royal Veterinary College, North Mymms, AL9 7TA, UK
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Fast tool to evaluate 3D movements of the foot-ankle complex using multi-view depth sensors. MEDICINE IN NOVEL TECHNOLOGY AND DEVICES 2023. [DOI: 10.1016/j.medntd.2023.100212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
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Markes AR, Garcia-Lopez E, Halvorson RT, Swarup I. Management of Displaced Midshaft Clavicle Fractures in Pediatrics and Adolescents: Operative vs Nonoperative Treatment. Orthop Res Rev 2022; 14:373-381. [PMID: 36345395 PMCID: PMC9636878 DOI: 10.2147/orr.s340538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 10/17/2022] [Indexed: 01/24/2023] Open
Abstract
The purpose of the current review is to describe the management of displaced midshaft clavicle fractures in pediatric and adolescent patients. Midshaft clavicle fractures are relatively common in pediatric and adolescent patients. They most commonly occur from direct trauma and are often related to sports participation in adolescents. Recent literature in the management of adult midshaft clavicle fractures has supported operative management due to improved functional outcomes, decreased time to union, leading to early return to activity. A similar trend of increasing frequency in operative management has been seen in pediatric and adolescent patients with no consensus in the literature on optimal management. Nonoperative treatment consists of with a brief period of sling immobilization followed by range of motion. Operative management may be considered for open fractures, fractures with significant neurovascular compromise and soft tissue complications. Studies have shown comparable mid- to long-term functional and patient-reported outcomes after operative and nonoperative management of midshaft clavicle fractures in pediatric patients.
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Affiliation(s)
- Alexander R Markes
- Department of Orthopaedic Surgery, University of California-San Francisco, San Francisco, CA, USA
| | - Edgar Garcia-Lopez
- Department of Orthopaedic Surgery, University of California-San Francisco, San Francisco, CA, USA
| | - Ryan T Halvorson
- Department of Orthopaedic Surgery, University of California-San Francisco, San Francisco, CA, USA
| | - Ishaan Swarup
- Department of Orthopaedic Surgery, University of California-San Francisco, San Francisco, CA, USA,Correspondence: Ishaan Swarup, Email
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Deng Z, Cai Z, Chen S, Liu Y, Chen F, Deng Z, Li Y, Xu J. Comparison of in vivo hindfoot joints motion changes during stance phase between non-flatfoot and stage II adult acquired flatfoot. J Foot Ankle Res 2022; 15:74. [PMID: 36229819 PMCID: PMC9559000 DOI: 10.1186/s13047-022-00577-w] [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: 02/26/2022] [Accepted: 09/28/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND To compare the kinematic characteristics of hindfoot joints in stage II adult acquired flatfoot deformity (AAFD) with those of non-flatfoot through the 3D-to-2D registration technology and single fluoroscopic imaging system. METHODS Eight volunteers with stage II AAFD and seven volunteers without stage II AAFD were recruited and CT scans were performed bilateral for both groups in neutral positions. Their lateral dynamic X-ray data during the stance phase, including 14 non-flatfeet and 10 flatfeet, was collected. A computer-aided simulated light source for 3D CT model was applied to obtain the virtual images, which were matched with the dynamic X-ray images to register in the "Fluo" software, so that the spatial changes during the stance phase could be calculated. RESULTS During the early-stance phase, the calcaneous was more dorsiflexed, everted, and externally-rotated relative to the talus in flatfoot compared with that in non-flatfoot (p < 0.05). During the mid-stance phase, the calcaneous was more dorsiflexed and everted relative to the talus in flatfoot compared with that in non-flatfoot (p < 0.05); however, the rotation did not differ significantly between the two groups (p > 0.05). During the late-stance phase, the calcaneous was more plantarflexed, but less inverted and internally-rotated, relative to the talus in flatfoot compared with that in non-flatfoot (p < 0.05). During the early- and mid-stance phase, the navicular was more dorsiflexed, everted, and externally-rotated relative to the talus in flatfoot compared with that in non-flatfoot (p < 0.05). During the late-stance phase, the navicular was more plantarflexed, but less inverted and internally-rotated, relative to the talus in flatfoot compared with that in non-flatfoot (p < 0.05). There was no difference in the motion of cuboid between the two groups during the whole stance phase (p > 0.05). CONCLUSIONS During the early- and mid-stance phase, excessive motion was observed in the subtalar and talonavicular joints in stage II AAFD. During the late-stance phase, the motion of subtalar and talonavicular joints appeared to be in the dysfunction state. The current study helps better understanding the biomechanics of the hindfoot during non-flatfoot and flatfoot condition which is critical to the intervention to the AAFD using conservative treatment such as insole or surgical treatment for joint hypermotion.
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Affiliation(s)
- Zhenhan Deng
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China
| | - Zijun Cai
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Siyu Chen
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China
| | - Yan Liu
- Department of Critical Care Medicine and Infection Prevention and Control, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, 518035, Guangdong, China
| | - Fanglin Chen
- Department of Orthopedics, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou Worker's Hospital, Liuzhou, 545000, Guangxi, China
| | - Zhiqin Deng
- Hand and Foot Surgery Department, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China
| | - Yusheng Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jian Xu
- Department of Orthopedics, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou Worker's Hospital, Liuzhou, 545000, Guangxi, China. .,Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang, China.
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Su W, Zhang S, Ye D, Sun X, Zhang X, Fu W. Effects of Barefoot and Shod on the In Vivo Kinematics of Medial Longitudinal Arch During Running Based on a High-Speed Dual Fluoroscopic Imaging System. Front Bioeng Biotechnol 2022; 10:917675. [PMID: 35837546 PMCID: PMC9274304 DOI: 10.3389/fbioe.2022.917675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 05/20/2022] [Indexed: 11/16/2022] Open
Abstract
Shoes affect the biomechanical properties of the medial longitudinal arch (MLA) and further influence the foot’s overall function. Most previous studies on the MLA were based on traditional skin-marker motion capture, and the observation of real foot motion inside the shoes is difficult. Thus, the effect of shoe parameters on the natural MLA movement during running remains in question. Therefore, this study aimed to investigate the differences in the MLA’s kinematics between shod and barefoot running by using a high-speed dual fluoroscopic imaging system (DFIS). Fifteen healthy habitual rearfoot runners were recruited. All participants ran at a speed of 3 m/s ± 5% along with an elevated runway in barefoot and shod conditions. High-speed DFIS was used to acquire the radiographic images of MLA movements in the whole stance phase, and the kinematics of the MLA were calculated. Paired sample t-tests were used to compare the kinematic characteristics of the MLA during the stance phase between shod and barefoot conditions. Compared with barefoot, shoe-wearing showed significant changes (p < 0.05) as follows: 1) the first metatarsal moved with less lateral direction at 80%, less anterior translation at 20%, and less superiority at 10–70% of the stance phase; 2) the first metatarsal moved with less inversion amounting to 20–60%, less dorsiflexion at 0–10% of the stance phase; 3) the inversion/eversion range of motion (ROM) of the first metatarsal relative to calcaneus was reduced; 4) the MLA angles at 0–70% of the stance phase were reduced; 5) the maximum MLA angle and MLA angle ROM were reduced in the shod condition. Based on high-speed DFIS, the above results indicated that shoe-wearing limited the movement of MLA, especially reducing the MLA angles, suggesting that shoes restricted the compression and recoil of the MLA, which further affected the spring-like function of the MLA.
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Affiliation(s)
- Wanyan Su
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Shen Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
- School of Physical Education and Training, Shanghai University of Sport, Shanghai, China
- *Correspondence: Shen Zhang, ; Weijie Fu,
| | - Dongqiang Ye
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Xiaole Sun
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Xini Zhang
- 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
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
- *Correspondence: Shen Zhang, ; Weijie Fu,
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Matsumoto Y, Ogihara N, Hanawa H, Kokubun T, Kanemura N. Novel Multi-Segment Foot Model Incorporating Plantar Aponeurosis for Detailed Kinematic and Kinetic Analyses of the Foot With Application to Gait Studies. Front Bioeng Biotechnol 2022; 10:894731. [PMID: 35814002 PMCID: PMC9265906 DOI: 10.3389/fbioe.2022.894731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 06/01/2022] [Indexed: 11/13/2022] Open
Abstract
Kinetic multi-segment foot models have been proposed to evaluate the forces and moments generated in the foot during walking based on inverse dynamics calculations. However, these models did not consider the plantar aponeurosis (PA) despite its potential importance in generation of the ground reaction forces and storage and release of mechanical energy. This study aimed to develop a novel multi-segment foot model incorporating the PA to better elucidate foot kinetics. The foot model comprised three segments: the phalanx, forefoot, and hindfoot. The PA was modeled using five linear springs connecting the origins and the insertions via intermediate points. To demonstrate the efficacy of the foot model, an inverse dynamic analysis of human gait was performed and how the inclusion of the PA model altered the estimated joint moments was examined. Ten healthy men walked along a walkway with two force plates placed in series close together. The attempts in which the participant placed his fore- and hindfoot on the front and rear force plates, respectively, were selected for inverse dynamic analysis. The stiffness and the natural length of each PA spring remain largely uncertain. Therefore, a sensitivity analysis was conducted to evaluate how the estimated joint moments were altered by the changes in the two parameters within a range reported by previous studies. The present model incorporating the PA predicted that 13%–45% of plantarflexion in the metatarsophalangeal (MTP) joint and 8%–29% of plantarflexion in the midtarsal joints were generated by the PA at the time of push-off during walking. The midtarsal joint generated positive work, whereas the MTP joint generated negative work in the late stance phase. The positive and negative work done by the two joints decreased, indicating that the PA contributed towards transfer of the energy absorbed at the MTP joint to generate positive work at the midtarsal joint during walking. Although validation is limited due to the difficulty associated with direct measurement of the PA force in vivo, the proposed novel foot model may serve as a useful tool to clarify the function and mechanical effects of the PA and the foot during dynamic movements.
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Affiliation(s)
- Yuka Matsumoto
- Graduate School of Saitama Prefectural University, Graduate Course of Health and Social Services, Saitama, Japan
| | - Naomichi Ogihara
- Department of Biological Sciences, The University of Tokyo, Tokyo, Japan
| | - Hiroki Hanawa
- Department of Health Science, University of Human Arts and Sciences, Saitama, Japan
| | - Takanori Kokubun
- Department of Health and Social Services, Saitama Prefectural University, Saitama, Japan
| | - Naohiko Kanemura
- Department of Health and Social Services, Saitama Prefectural University, Saitama, Japan
- *Correspondence: Naohiko Kanemura,
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Veirs KP, Fagg AH, Haleem AM, Jeffries LM, Randall K, Sisson SB, Dionne CP. Applications of Biomechanical Foot Models to Evaluate Dance Movements Using Three-Dimensional Motion Capture: A Review of the Literature. J Dance Med Sci 2022; 26:69-86. [PMID: 35287789 DOI: 10.12678/1089-313x.061522a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Dance movement requires excessive, repetitive range of motion (ROM) at the foot-ankle complex, possibly contributing to the high rate of injury among dancers. However, we know little about foot biomechanics during dance movements. Researchers are using three-dimensional (3D) motion capture systems to study the in vivo kinematics of joint segments more frequently in dance-medicine research, warranting a literature review and quality assessment evaluation. The purpose of this literature review was to identify and evaluate studies that used 3D motion capture to analyze in vivo biomechanics of the foot and ankle for a cohort of dancers during dance-specific movement. Three databases (PubMed, Ovid MEDLINE, CINAHL) were accessed along with hand searches of dance-specific journals to identify relevant articles through March 2020. Using specific selection criteria, 25 studies were identified. Fifteen studies used single-segment biomechanical foot models originally created to study gait, four used a novel two-segment model, and six utilized a multi-seg- ment foot model. Nine of the studies referenced common and frequently published gait marker sets and four used a dance-specific biomechanical model with purposefully designed foot segments to analyze the dancers' foot and ankle. Description of the biomechanical models varied, reducing the reproducibility of the models and protocols. Investigators concluded that there is little evidence that the extreme total, segmental, and inter-segmental foot and ankle ROM exerted by dancers are being evaluated during dance-specific movements using 3D motion capture. Findings suggest that 3D motion capture is a robust measurement tool that has the capability to assist researchers in evaluating the in vivo, inter-segmental motion of the foot and ankle to potentially discover many of the remaining significant factors predisposing dancers to injury. The literature review synthesis is presented with recommendations for consideration when evaluating results from studies that utilized a 3D biomechanical foot model to evaluate dance-specific movement.
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Affiliation(s)
- Kimberly P Veirs
- Oklahoma City University, Oklahoma City, Oklahoma, USA; kpveirs@okcu. edu
| | | | - Amgad M Haleem
- University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA, and Cairo University College of Medicine, Cairo, Egypt
| | - Lynn M Jeffries
- University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Ken Randall
- University of Oklahoma Health Sciences Center, Tulsa, Oklahoma, USA
| | - Susan B Sisson
- University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Carol P Dionne
- University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
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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] [MESH Headings] [Grants] [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.
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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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Zhang F, Ye D, Zhang X, Sun X, Zhang S, Wang S, Fu W. Influence of Shod and Barefoot Running on the In Vivo Kinematics of the First Metatarsophalangeal Joint. Front Bioeng Biotechnol 2022; 10:892760. [PMID: 35651545 PMCID: PMC9148976 DOI: 10.3389/fbioe.2022.892760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 04/13/2022] [Indexed: 11/27/2022] Open
Abstract
The biomechanics of the first metatarsophalangeal joint (MTPJ) is affected by different shoe conditions. In the biomechanical research field, traditional skin marker motion capture cannot easily acquire the in vivo joint kinematics of the first MTPJ in shoes. Thus, the present study aims to investigate the differences of the first MTPJ's six-degree-of-freedom (6DOF) kinematics between shod and barefoot running by using a high-speed dual fluoroscopic imaging system (DFIS). In total, 15 healthy male runners were recruited. Computed tomography scans were taken from each participant's right foot for the construction of 3D models and local coordinate systems. Radiographic images were acquired at 100 Hz while the participants ran at a speed of 3 m/s ± 5% in shod and barefoot conditions along an elevated runway, and 6DOF kinematics of the first MTPJ were calculated by 3D-2D registration. Paired sample t-tests were used to compare the kinematic characteristics of the first MTPJ 6DOF kinematics during the stance phase between shod and barefoot conditions. Compared with barefoot, wearing shoes showed significant changes (p < 0.05): 1) the first MTPJ moved less inferior at 50% but moved less superior at 90 and 100% of the stance phase; 2) the peak medial, posterior, and superior translation of the first MTPJ significantly decreased in the shod condition; 3) the extension angle of the first MTPJ was larger at 30-60% but smaller at 90 and 100% of the stance phase; 4) the maximum extension angle and flexion/extension range of motion of the first MTPJ were reduced; and 5) the minimum extension and adduction angle of the first MTPJ was increased in the shod condition. On the basis of the high-speed DFIS, the aforementioned results indicated that wearing shoes limited the first MTPJ flexion and extension movement and increased the adduction angle, suggesting that shoes may affect the propulsion of the first MTPJ and increase the risk of hallux valgus.
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Affiliation(s)
- Faning Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Dongqiang Ye
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Xini Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Xiaole Sun
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Shen Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
- School of Physical Education and Training, Shanghai University of Sport, Shanghai, China
| | - Shaobai Wang
- 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
| | - 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
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, Shanghai, China
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15
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Yoo HJ, Park HS, Lee DO, Kim SH, Park GY, Cho TJ, Lee DY. Comparison of the kinematics, repeatability, and reproducibility of five different multi-segment foot models. J Foot Ankle Res 2022; 15:1. [PMID: 34991669 PMCID: PMC8734222 DOI: 10.1186/s13047-021-00508-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 12/26/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Multi-segment foot models (MFMs) for assessing three-dimensional segmental foot motions are calculated via various analytical methods. Although validation studies have already been conducted, we cannot compare their results because the experimental environments in previous studies were different from each other. This study aims to compare the kinematics, repeatability, and reproducibility of five MFMs in the same experimental conditions. METHODS Eleven healthy males with a mean age of 26.5 years participated in this study. We created a merged 29-marker set including five MFMs: Oxford (OFM), modified Rizzoli (mRFM), DuPont (DFM), Milwaukee (MiFM), and modified Shriners Hospital for Children Greenville (mSHCG). Two operators applied the merged model to participants twice, and then we analysed two relative angles of three segments: shank-hindfoot (HF) and hindfoot-forefoot (FF). Coefficients of multiple correlation (CMC) and mean standard errors were used to assess repeatability and reproducibility, and statistical parametric mapping (SPM) of the t-value was employed to compare kinematics. RESULTS HF varus/valgus of the MiFM and mSHCG models, which rotated the segment according to radiographic or goniometric measurements during the reference frame construction, were significantly more repeatable and reproducible, compared to other models. They showed significantly more dorsiflexed HF and plantarflexed FF due to their static offset angles. DFM and mSHCG showed a greater range of motion (ROM), and some models had significantly different FF points of peak angle. CONCLUSIONS Under the same conditions, rotating the segment according to the appropriate offset angle obtained from radiographic or goniometric measurement increased reliability, but all MFMs had clinically acceptable reliability compared to previous studies. Moreover, in some models, especially HF varus/valgus, there were differences in ROM and points of peak angle even with no statistical difference in SPM curves. Therefore, based on the results of this study, clinicians and researchers involved in the evaluation of foot and ankle dysfunction need an understanding of the specific features of each MFM to make accurate decisions.
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Affiliation(s)
- Hyo Jeong Yoo
- Department of Orthopedic Surgery, Seoul National University Hospital, 101 Daehak-no, Jongno-gu, Seoul, South Korea
| | - Hye Sun Park
- Department of Orthopedic Surgery, Seoul National University Hospital, 101 Daehak-no, Jongno-gu, Seoul, South Korea
| | - Dong-Oh Lee
- Department of Orthopedic Surgery, SNU Seoul Hospital, Seoul, South Korea
| | - Seong Hyun Kim
- Department of Orthopedic Surgery, Seoul National University Hospital, 101 Daehak-no, Jongno-gu, Seoul, South Korea
| | - Gil Young Park
- Department of Orthopedic Surgery, Seoul National University Hospital, 101 Daehak-no, Jongno-gu, Seoul, South Korea
| | - Tae-Joon Cho
- Department of Orthopedic Surgery, Seoul National University Hospital, 101 Daehak-no, Jongno-gu, Seoul, South Korea.,Department of Orthopedic Surgery, Seoul National University College of Medicine, 101 Daehak-no, Jongno-gu, Seoul, South Korea
| | - Dong Yeon Lee
- Department of Orthopedic Surgery, Seoul National University Hospital, 101 Daehak-no, Jongno-gu, Seoul, South Korea. .,Department of Orthopedic Surgery, Seoul National University College of Medicine, 101 Daehak-no, Jongno-gu, Seoul, South Korea.
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16
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Caravaggi P, Rogati G, Leardini A, Ortolani M, Barbieri M, Spasiano C, Durante S, Matias AB, Taddei U, Sacco ICN. Accuracy and correlation between skin-marker based and radiographic measurements of medial longitudinal arch deformation. J Biomech 2021; 128:110711. [PMID: 34481280 DOI: 10.1016/j.jbiomech.2021.110711] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 07/14/2021] [Accepted: 08/23/2021] [Indexed: 10/20/2022]
Abstract
Static and dynamic measurements of the medial longitudinal arch (MLA) in the foot are critical across different clinical and biomechanical research fields. While MLA deformation can be estimated using skin-markers for gait analysis, the current understanding of the correlates between skin-marker based models and radiographic measures of the MLA is limited. This study aimed at assessing the correlation and accuracy of skin-marker based measures of MLA deformation with respect to standard clinical X-ray based measures, used as reference. 20 asymptomatic subjects without morphological alterations of the foot volunteered in the study. A lateral X-ray of the right foot of each subject was taken in monopodalic upright posture with and without a metatarsophalangeal-joint dorsiflexing wedge. MLA angle was estimated in the two foot postures and during gait using 16 skin-marker based models, which were established according to the marker set of a validated multi-segment foot kinematic protocol. The error of each model in tracking MLA deformation was assessed and correlated with respect to standard radiographic measurements. Estimation of MLA deformation was highly affected by the skin-marker models. Skin-marker models using the marker on the navicular tuberosity as apex of the MLA angle showed the smallest errors (about 2 deg) and the largest correlations (R = 0.64-0.65; p < 0.05) with respect to the radiographic measurements. According to the outcome of this study, skin-marker based definitions of the MLA angle using the navicular tuberosity as apex of the arch may provide a more accurate estimation of MLA deformation with respect to that from radiographic measures.
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Affiliation(s)
- Paolo Caravaggi
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Giulia Rogati
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy.
| | - Alberto Leardini
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Maurizio Ortolani
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | | | - Chiara Spasiano
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Stefano Durante
- Nursing, Technical and Rehabilitation Assistance Service, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Alessandra B Matias
- Physical Therapy, Speech and Occupational Therapy Dept., School of Medicine, University of Sao Paulo, SP, Brazil
| | - Ulisses Taddei
- Physical Therapy, Speech and Occupational Therapy Dept., School of Medicine, University of Sao Paulo, SP, Brazil
| | - Isabel C N Sacco
- Physical Therapy, Speech and Occupational Therapy Dept., School of Medicine, University of Sao Paulo, SP, Brazil
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17
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Wright F, Docherty PD, Williams E, Greybe D, Arora H, Kabaliuk N. An in-silico study of the effect of non-linear skin dynamics on skin-mounted accelerometer inference of skull motion. Biomed Signal Process Control 2021. [DOI: 10.1016/j.bspc.2021.102986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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Zhang C, Sun X, Tang Y, Wang S, Ye D, Fu W, Liu Y, Huang L. Advances in the Application of the Dual Fluoroscopic Imaging System in Sports Medicine: A Literature Review. JOURNAL OF MEDICAL IMAGING AND HEALTH INFORMATICS 2021. [DOI: 10.1166/jmihi.2021.3579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The dual fluoroscopic imaging system (DFIS) is a new non-invasive motion analysis system that does not interfere with movement, has high precision and repeatability and is not affected by the errors caused by the relative movement of skin and soft tissues. DFIS has been recently used
in the field of sports medicine. This narrative review focuses on relevant literature on the origin, development and mechanism of action of DFIS and summarises the application of DFIS in injury and rehabilitation treatment, such as the reliability of test results; the position relationships
of bony structures in the shoulder, lumbar spine, knee joint and ankle joint during exercise and its six degree-of-freedom (6DOF) movement to calculate cartilage deformation, contact area/trajectory and ligament strain. This article puts forward the problems encountered in practice that need
to be solved and looks forward to the future applications of DFIS in the field of sports, especially in injury prevention and treatment.
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Affiliation(s)
- Cui Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Xiaole Sun
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Yunqi Tang
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Shaobai Wang
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Dongqiang Ye
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Weijie Fu
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Yu Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Lingyan Huang
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
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Leardini A, Stebbins J, Hillstrom H, Caravaggi P, Deschamps K, Arndt A. ISB recommendations for skin-marker-based multi-segment foot kinematics. J Biomech 2021; 125:110581. [PMID: 34217032 DOI: 10.1016/j.jbiomech.2021.110581] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 06/14/2021] [Accepted: 06/20/2021] [Indexed: 10/21/2022]
Abstract
The foot is anatomically and functionally complex, and thus an accurate description of intrinsic kinematics for clinical or sports applications requires multiple segments. This has led to the development of many multi-segment foot models for both kinematic and kinetic analyses. These models differ in the number of segments analyzed, bony landmarks identified, required marker set, defined anatomical axes and frames, the convention used to calculate joint rotations and the determination of neutral positions or other offsets from neutral. Many of these models lack validation. The terminology used is inconsistent and frequently confusing. Biomechanical and clinical studies using these models should use established references and describe how results are obtained and reported. The International Society of Biomechanics has previously published proposals for standards regarding kinematic and kinetic measurements in biomechanical research, and in this paper also addresses multi-segment foot kinematics modeling. The scope of this work is not to prescribe a particular set of standard definitions to be used in all applications, but rather to recommend a set of standards for collecting, calculating and reporting relevant data. The present paper includes recommendations for the overall modeling and grouping of the foot bones, for defining landmarks and other anatomical references, for addressing the many experimental issues in motion data collection, for analysing and reporting relevant results and finally for designing clinical and biomechanical studies in large populations by selecting the most suitable protocol for the specific application. These recommendations should also be applied when writing manuscripts and abstracts.
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Affiliation(s)
- Alberto Leardini
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy.
| | - Julie Stebbins
- Oxford Gait Laboratory, Oxford University Hospitals NHS Foundation Trust, UK
| | - Howard Hillstrom
- Leon Root, MD Motion Analysis Laboratory, Hospital for Special Surgery, NY, USA
| | - Paolo Caravaggi
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Kevin Deschamps
- Faculty of Movement & Rehabilitation Sciences, KULeuven, Bruges, Belgium
| | - Anton Arndt
- The Swedish School of Sport and Health Sciences, Stockholm, Sweden; Karolinska Institute, Stockholm, Sweden
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20
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Smith LA, Nachtrab J, LaCour M, Cates H, Freeman MG, Komistek RD. In Vivo Knee Kinematics: How Important Are the Roles of Femoral Geometry and the Cruciate Ligaments? J Arthroplasty 2021; 36:1445-1454. [PMID: 33214016 DOI: 10.1016/j.arth.2020.10.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 10/08/2020] [Accepted: 10/13/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND While posterior cruciate-retaining (PCR) implants are a more common total knee arthroplasty (TKA) design, newer bicruciate-retaining (BCR) TKAs are now being considered as an option for many patients, especially those that are younger. While PCR TKAs remove the ACL, the BCR TKA designs keep both cruciate ligaments intact, as it is believed that the resection of the ACL greatly affects the overall kinematic patterns of TKA designs. The objectives of this study are to assess the in vivo kinematics for subjects implanted with either a PCR or BCR TKA and to compare the in vivo kinematic patterns to the normal knee during flexion. These objectives were achieved with an emphasis on understanding the roles of the cruciate ligaments, as well as the role of changes in femoral geometry of nonimplanted anatomical femurs vs implanted subjects having a metal femoral component. METHODS Tibiofemoral kinematics of 50 subjects having a PCR (40 subjects) or BCR (10 subjects) TKA were analyzed using fluoroscopy while performing a deep knee bend activity. The kinematics were compared to previously published normal knee data (10 subjects). Kinematics were determined during specific intervals of flexion where the ACL or PCL was most dominant. RESULTS In early flexion, subjects having a BCR TKA experienced more normal-like kinematic patterns, possibly attributed to the ACL. In mid-flexion, both TKA groups exhibited variable kinematic patterns, which could be due to the transitional cruciate ligament function period. In deeper flexion, both TKA functioned more similar to the normal knee, leading to the assumption that the PCL was properly balanced and functioning in the TKA groups. Interestingly, during late flexion (after 90°), the kinematic patterns for all three groups appeared to be statistically similar. CONCLUSION Subjects having a PCR TKA experienced greater weight-bearing flexion than the BCR TKA group. Subjects having a BCR TKA exhibited a more normal-like kinematic pattern in early and late flexion. The normal knee subjects achieved greater lateral condyle rollback and axial rotation compared to the TKA groups.
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Affiliation(s)
- Lauren A Smith
- Center for Musculoskeletal Research, University of Tennessee-Knoxville, Knoxville, TN
| | - Jarrod Nachtrab
- Center for Musculoskeletal Research, University of Tennessee-Knoxville, Knoxville, TN
| | - Michael LaCour
- Center for Musculoskeletal Research, University of Tennessee-Knoxville, Knoxville, TN
| | | | | | - Richard D Komistek
- Center for Musculoskeletal Research, University of Tennessee-Knoxville, Knoxville, TN
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21
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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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Sun M, Meng Q, Wang T, Liu T, Zhu Y, Qiu J, Lu W. Removal of manually induced artifacts in ultrasound images of thyroid nodules based on edge-connection and Criminisi image restoration algorithm. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2021; 200:105868. [PMID: 33261943 DOI: 10.1016/j.cmpb.2020.105868] [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: 02/27/2020] [Accepted: 11/14/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND AND OBJECTIVE There are various artificial markers in ultrasound images of thyroid nodules, which have impact on subsequent processing and computer-aided diagnosis. The purpose of this study was to develop an approach to automatically remove artifacts and restore ultrasound images of thyroid nodules. METHODS Fifty ultrasound images with manually induced artifacts were selected from publicly available and self-collected datasets. A combined approach was developed which consisted of two steps, artifacts detection and removal of the detected artifacts. Specifically, a novel edge-connection algorithm was used for artifact detection, detection accuracy and false discovery rate were used to evaluate the performance of artifact detection approaches. Criminisi algorithm was used for image restoration with peak signal-to-noise ratio (PSNR) and mean gradient difference to evaluate its performance. In addition, computation complexity was evaluated by execution time of relevant algorithms. RESULTS Results revealed that the proposed joint approach with edge-connection and Criminisi algorithm could achieve automatic artifacts removal. Mean detection accuracy and mean false discovery rate of the proposed edge-connection algorithm for the 50 ultrasound images were 0.86 and 1.50. Mean PSNR of the 50 restored images by Criminisi algorithm was 36.64 dB, and mean gradient difference of the restored images was -0.002 compared with the original images. CONCLUSIONS The proposed combined approach had a good detection accuracy for different types of manually induced artifacts, and could significantly improve PSNR of the ultrasound images. The proposed combined approach may have potential use for the repair of ultrasound images with artifacts.
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Affiliation(s)
- Ming Sun
- Medical Engineering and Technology Research Center, Shandong First Medical University & Shandong Academy of Medical Sciences; Department of Radiology, Shandong First Medical University & Shandong Academy of Medical Sciences
| | - Qinglong Meng
- Medical Engineering and Technology Research Center, Shandong First Medical University & Shandong Academy of Medical Sciences; Department of Radiology, Shandong First Medical University & Shandong Academy of Medical Sciences
| | - Ting Wang
- Medical Engineering and Technology Research Center, Shandong First Medical University & Shandong Academy of Medical Sciences; Department of Radiology, Shandong First Medical University & Shandong Academy of Medical Sciences
| | - Tianci Liu
- Medical Engineering and Technology Research Center, Shandong First Medical University & Shandong Academy of Medical Sciences; Department of Radiology, Shandong First Medical University & Shandong Academy of Medical Sciences
| | - Ye Zhu
- Department of Radiology, Shandong First Medical University & Shandong Academy of Medical Sciences
| | - Jianfeng Qiu
- Medical Engineering and Technology Research Center, Shandong First Medical University & Shandong Academy of Medical Sciences; Department of Radiology, Shandong First Medical University & Shandong Academy of Medical Sciences
| | - Weizhao Lu
- Medical Engineering and Technology Research Center, Shandong First Medical University & Shandong Academy of Medical Sciences; Department of Radiology, Shandong First Medical University & Shandong Academy of Medical Sciences.
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Schallig W, van den Noort JC, McCahill J, Stebbins J, Leardini A, Maas M, Harlaar J, van der Krogt MM. Comparing the kinematic output of the Oxford and Rizzoli Foot Models during normal gait and voluntary pathological gait in healthy adults. Gait Posture 2020; 82:126-132. [PMID: 32920448 DOI: 10.1016/j.gaitpost.2020.08.126] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 08/23/2020] [Accepted: 08/24/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND The Oxford Foot Model (OFM) and Rizzoli Foot Model (RFM) are the two most frequently used multi-segment models to measure foot kinematics. However, a comprehensive comparison of the kinematic output of these models is lacking. RESEARCH QUESTION What are the differences in kinematic output between OFM and RFM during normal gait and typical pathological gait patterns in healthy adults?. METHODS A combined OFM and RFM marker set was placed on the right foot of ten healthy subjects. A static standing trial and six level walking trials were collected for normal gait and for four voluntarily adopted gait types: equinus, crouch, toe-in and toe-out. Joint angles were calculated for every trial for the hindfoot relative to shank (HF-SH), forefoot relative to hindfoot (FF-HF) and hallux relative to forefoot (HX-FF). Average static joint angles of both models were compared between models. After subtracting these offsets, the remaining dynamic angles were compared using statistical parametric mapping repeated measures ANOVAs and t-tests. Furthermore, range of motion was compared between models for every angle. RESULTS For the static posture, RFM compared to OFM measured more plantar flexion (Δ = 6°) and internal rotation (Δ = 7°) for HF-SH, more plantar flexion (Δ = 34°) and inversion (Δ = 13°) for FF-HF and more dorsal flexion (Δ = 37°) and abduction (Δ = 12°) for HX-FF. During normal walking, kinematic differences were found in various parts of the gait cycle. Moreover, range of motion was larger in the HF-SH for OFM and in FF-HF and HX-FF for RFM. The differences between models were not the same for all gait types. Equinus and toe-out gait demonstrated most pronounced differences. SIGNIFICANCE Differences are present in kinematic output between OFM and RFM, which also depend on gait type. Therefore, kinematic output of foot and ankle studies should be interpreted with careful consideration of the multi-segment foot model used.
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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.
| | - 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
| | - Jennifer McCahill
- Amsterdam UMC, Vrije Universiteit Amsterdam, Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands; Oxford Gait Laboratory, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
| | - Julie Stebbins
- Oxford Gait Laboratory, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
| | - Alberto Leardini
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - 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
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Evaluation of the Validity, Reliability, and Kinematic Characteristics of Multi-Segment Foot Models in Motion Capture. SENSORS 2020; 20:s20164415. [PMID: 32784760 PMCID: PMC7472500 DOI: 10.3390/s20164415] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/30/2020] [Accepted: 08/06/2020] [Indexed: 11/16/2022]
Abstract
This study aimed to evaluate the validity and reliability of our new multi-segment foot model by measuring a dummy foot, and examine the kinematic characteristics of our new multi-segment foot model by measuring the living body. Using our new model and the Rizzoli model, we conducted two experiments with a dummy foot that was moved within a range from -90 to 90 degrees in all planes; for the living body, 24 participants performed calf raises, gait, and drop jumps. Most three-dimensional (3D) rotation angles calculated according to our new models were strongly positively correlated with true values (r > 0.8, p < 0.01). Most 3D rotation angles had fixed biases; however, most of them were in the range of the limits of agreement. Temporal patterns of foot motion, such as those in the Rizzoli model, were observed in our new model during all dynamic tasks. We concluded that our new multi-segment foot model was valid for motion analysis and was useful for analyzing the foot motion using 3D motion capture during dynamic tasks.
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Metcalf CD, Phillips C, Forrester A, Glodowski J, Simpson K, Everitt C, Darekar A, King L, Warwick D, Dickinson AS. Quantifying Soft Tissue Artefacts and Imaging Variability in Motion Capture of the Fingers. Ann Biomed Eng 2020; 48:1551-1561. [PMID: 32076882 PMCID: PMC7154021 DOI: 10.1007/s10439-020-02476-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 02/05/2020] [Indexed: 10/29/2022]
Abstract
This study assessed the accuracy of marker-based kinematic analysis of the fingers, considering soft tissue artefacts (STA) and marker imaging uncertainty. We collected CT images of the hand from healthy volunteers with fingers in full extension, mid- and full-flexion, including motion capture markers. Bones and markers were segmented and meshed. The bone meshes for each volunteer's scans were aligned using the proximal phalanx to study the proximal interphalangeal joint (PIP), and using the middle phalanx to study the distal interphalangeal joint (DIP). The angle changes between positions were extracted. The HAWK protocol was used to calculate PIP and DIP joint flexion angles in each position based on the marker centroids. Finally the marker locations were 'corrected' relative to the underlying bones, and the flexion angles recalculated. Static and dynamic marker imaging uncertainty was evaluated using a wand. A strong positive correlation was observed between marker- and CT-based joint angle changes with 0.980 and 0.892 regression slopes for PIP and DIP, respectively, and Root Mean Squared Errors below 4°. Notably for the PIP joint, correlation was worsened by STA correction. The 95% imaging uncertainty interval was < ± 1° for joints, and < ± 0.25 mm for segment lengths. In summary, the HAWK marker set's accuracy was characterised for finger joint flexion angle changes in a small group of healthy individuals and static poses, and was found to benefit from skin movements during flexion.
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Affiliation(s)
- C D Metcalf
- Faculty of Environmental & Life Sciences, University of Southampton, Southampton, UK
| | - C Phillips
- Faculty of Engineering and Physical Sciences, University of Southampton, Southampton, UK
| | - A Forrester
- Faculty of Engineering and Physical Sciences, University of Southampton, Southampton, UK
| | - J Glodowski
- Faculty of Engineering and Physical Sciences, University of Southampton, Southampton, UK
| | - K Simpson
- Faculty of Environmental & Life Sciences, University of Southampton, Southampton, UK
| | - C Everitt
- University Hospital Southampton, Southampton, UK
| | - A Darekar
- University Hospital Southampton, Southampton, UK
| | - L King
- University Hospital Southampton, Southampton, UK
| | - D Warwick
- University Hospital Southampton, Southampton, UK
| | - A S Dickinson
- Faculty of Engineering and Physical Sciences, University of Southampton, Southampton, UK.
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Nahm N, Bey MJ, Liu S, Guthrie ST. Ankle Motion and Offloading in Short Leg Cast and Low and High Fracture Boots. Foot Ankle Int 2019; 40:1416-1423. [PMID: 31423825 DOI: 10.1177/1071100719868721] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Short leg casts (SLCs) and fracture boots are used to treat foot and ankle injuries, but the decision to use one device over the other is often subjective. This study compared the impact of SLCs and low and high fracture boots on ankle motion and offloading. METHODS Twenty healthy adults were prospectively studied. High-speed dynamic radiography was utilized to determine tibiotalar range of motion in the sagittal plane during nonweightbearing (NWB) and weightbearing (WB) gait in a shoe (control), SLC, and low and high fracture boots. Sensors captured peak plantar surface forces to determine ankle offloading. RESULTS In NWB, the low fracture boot (2.2 ± 2.0 degrees), high fracture boot (2.3 ± 1.6 degrees), and SLC (2.3 ± 1.5 degrees) had significantly less motion compared with the control (3.6 ± 2.1 degrees; P ≤ .026). During WB, the SLC (3.4 ± 1.4 degrees) and high fracture boot (4.8 ± 2.0 degrees) had less motion compared with the low fracture boot (7.8 ± 3.4 degrees; P < .001). Finally, the SLC (172.6% ± 48.3% body weight [BW]) and low fracture (165.1% ± 36.2% BW) and high fracture (154.5% ± 32.9% BW) boots were associated with less peak plantar surface force compared with the control (195.0% ± 43.8% BW; P ≤ .087). CONCLUSION The SLC and high fracture boot immobilized the ankle in NWB and offloaded and immobilized the ankle in WB. The low fracture boot also immobilized the ankle in NWB, but in WB, the low fracture boot only offloaded the ankle and did not immobilize it. CLINICAL RELEVANCE The low fracture boot may be more suited for NWB or possibly immobilizing the foot in WB.
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Affiliation(s)
- Nickolas Nahm
- Department of Orthopaedic Surgery, Henry Ford Hospital, Detroit, MI, USA
| | - Michael J Bey
- Bone and Joint Center, Henry Ford Hospital, Detroit, MI, USA
| | - Serena Liu
- Wayne State University School of Medicine, Detroit, MI, USA
| | - S Trent Guthrie
- Department of Orthopaedic Surgery, Henry Ford Hospital, Detroit, MI, USA
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Zheng M, Szabo TL, Mohamadi A, Snyder BD. Long-Duration Tracking of Cervical-Spine Kinematics With Ultrasound. IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL 2019; 66:1699-1707. [PMID: 31484114 DOI: 10.1109/tuffc.2019.2928184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Cervical-spine (C-spine) pathoanatomy is commonly evaluated by plane radiographs, computed tomography (CT), or magnetic resonance imaging (MRI); however, these modalities are unable to directly measure the dynamic mechanical properties of the functional spinal units (FSU) comprising the C-spine that account for its functional performance. We have developed an ultrasound-based technique that provides a non-invasive, real-time, quantitative, in vivo assessment of C-spine kinematics and FSU viscoelastic properties. The fidelity of the derived measurements is predicated on accurate tracking of vertebral motion over a prolonged time duration. The purpose of this work was to present a bundle adjustment method that enables accurate tracking of the relative motion of contiguous cervical vertebrae from ultrasound radio-frequency data. The tracking method was validated using both a plastic anatomical model of a cervical vertebra undergoing prescribed displacements and also human cadaveric C-spine specimens subjected to physiologically relevant loading configurations. While the velocity of motion and thickness of the surrounding soft tissue envelope affected accuracy, using the bundle adjustment method, B-mode ultrasound was capable of accurately tracking vertebral motion under clinically relevant physiologic conditions. Therefore, B-mode ultrasound can be used to evaluate in vivo real-time C-spine kinematics and FSU mechanical properties in environments where radiographs, CT, or MRI cannot be used.
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Zavatsky AB, Paik AM, Leitch J, Kothari A, Stebbins J. Comparison of the hindfoot axes of a multi-segment foot model to the underlying bony anatomy. J Biomech 2019; 93:34-41. [DOI: 10.1016/j.jbiomech.2019.06.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 06/05/2019] [Accepted: 06/05/2019] [Indexed: 11/16/2022]
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29
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Precision of determining bone pose and marker position in the foot and lower leg from computed tomography scans: How low can we go in radiation dose? Med Eng Phys 2019; 69:147-152. [DOI: 10.1016/j.medengphy.2019.05.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 03/29/2019] [Accepted: 05/13/2019] [Indexed: 11/19/2022]
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Leardini A, Caravaggi P, Theologis T, Stebbins J. Multi-segment foot models and their use in clinical populations. Gait Posture 2019; 69:50-59. [PMID: 30665039 DOI: 10.1016/j.gaitpost.2019.01.022] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 01/09/2019] [Accepted: 01/14/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND Many multi-segment foot models based on skin-markers have been proposed for in-vivo kinematic analysis of foot joints. It remains unclear whether these models have developed far enough to be useful in clinical populations. The present paper aims at reviewing these models, by discussing major methodological issues, and analyzing relevant clinical applications. RESEARCH QUESTION Can multi-segment foot models be used in clinical populations? METHODS Pubmed and Google Scholar were used as the main search engines to perform an extensive literature search of papers reporting definition, validation or application studies of multi-segment foot models. The search keywords were the following: 'multisegment'; 'foot'; 'model'; 'kinematics', 'joints' and 'gait'. RESULTS More than 100 papers published between 1991 and 2018 were identified and included in the review. These studies either described a technique or reported a clinical application of one of nearly 40 models which differed according to the number of segments, bony landmarks, marker set, definition of anatomical frames, and convention for calculation of joint rotations. Only a few of these models have undergone robust validation studies. Clinical application papers divided by type of assessment revealed that the large majority of studies were a cross-sectional comparison of a pathological group to a control population. SIGNIFICANCE This review suggests that there is sufficient evidence that multi-segment foot models may be successfully applied in clinical populations. Analysis of the currently available models allows users to better identify the most suitable protocol for specific clinical applications. However new models require thorough validation and assessment before being used to support clinical decisions.
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Affiliation(s)
- Alberto Leardini
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy.
| | - Paolo Caravaggi
- Movement Analysis Laboratory, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy.
| | - Tim Theologis
- Oxford Gait Laboratory, Nuffield Orthopaedic Centre, Oxford, UK.
| | - Julie Stebbins
- Oxford Gait Laboratory, Nuffield Orthopaedic Centre, Oxford, UK.
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Blasimann A, Eichelberger P, Lutz N, Radlinger L, Baur H. Intra- and interday reliability of the dynamic navicular rise, a new measure for dynamic foot function: A descriptive, cross-sectional laboratory study. Foot (Edinb) 2018; 37:48-53. [PMID: 30326410 DOI: 10.1016/j.foot.2018.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 08/02/2018] [Accepted: 08/17/2018] [Indexed: 02/04/2023]
Abstract
BACKGROUND The lack of reliable parameters to evaluate dynamic foot function, emphasizes the need for a deeper insight in foot biomechanics. The aims were to investigate the reliability of a new parameter (dynamic navicular rise dNR), and its relationship with the dynamic navicular drop (dND). METHODS Twenty healthy participants (mean age 30.2±8.1years) had to walk on even ground and downstairs. Data of ten trials per task on two measurement days were recorded. The dNR was defined as the difference in millimetres (mm) between the minimum navicular height (NH) during stance and the NH at toe off. To test intra- and interday reliability, Intraclass Correlation Coefficients (ICC2.1) and repeatability were calculated. To obtain the absolute repeatability (RP) in mm, the equation RP=1.96×SDdifferences was used. Furthermore, the relationship between the dNR and the dND was examined by calculating Pearson (r) or Spearman (rs) correlation coefficients. RESULTS Included participants showed a mean dNR of (12.2±3.7) mm for level walking and (14.8±3.4) mm for stair descent. The ICC2.1 for the dNR were 0.98 (intraday), 0.91 (interday) for level walking and 0.97 (intraday), 0.94 (interday) for stair descent. The interday repeatability was 3.2mm (level walking), 2.7mm (stair descent) respectively. For level walking, r was 0.31 (p=0.049), and rs=0.88 (p<0.001) for stair descent. CONCLUSIONS The dNR seems to be highly reliable (ICCs), however, repeatability is unacceptable. For level walking, the dNR might be an independent measure, but not for stair climbing.
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Affiliation(s)
- Angela Blasimann
- Bern University of Applied Sciences, Department of Health Professions, Murtenstrasse 10, CH-3008 Bern, Switzerland.
| | - Patric Eichelberger
- Bern University of Applied Sciences, Department of Health Professions, Murtenstrasse 10, CH-3008 Bern, Switzerland; Graduate School for Cellular and Biomedical Sciences, University of Bern, Switzerland
| | - Nicole Lutz
- Bern University of Applied Sciences, Department of Health Professions, Murtenstrasse 10, CH-3008 Bern, Switzerland
| | - Lorenz Radlinger
- Bern University of Applied Sciences, Department of Health Professions, Murtenstrasse 10, CH-3008 Bern, Switzerland
| | - Heiner Baur
- Bern University of Applied Sciences, Department of Health Professions, Murtenstrasse 10, CH-3008 Bern, Switzerland
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Akpinar B, Thorhauer E, Irrgang JJ, Tashman S, Fu FH, Anderst WJ. Alteration of Knee Kinematics After Anatomic Anterior Cruciate Ligament Reconstruction Is Dependent on Associated Meniscal Injury. Am J Sports Med 2018; 46:1158-1165. [PMID: 29498884 DOI: 10.1177/0363546517753386] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Limited in vivo kinematic information exists on managing meniscal injury during anterior cruciate ligament reconstruction (ACLR). HYPOTHESIS Isolated anatomic ACLR restores knee kinematics, whereas ACLR in the presence of medial meniscal injury is associated with altered long-term knee kinematics. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS From March 2011 to December 2012, 49 of 57 participants in a clinical trial underwent anatomic ACLR with successful kinematic testing at 24 months after ACLR. Twenty-five patients had associated meniscal tears: medial (n = 11), lateral (n = 9), or bilateral (n = 5). With a dynamic stereo radiography system with superimposed high-resolution computed tomography scans of patient knees, kinematics were measured during downhill running. The initial single-support phase of the gait cycle (0%-10%) was analyzed. RESULTS Anterior tibial translation (ATT) was the only kinematic outcome between patients' ACLR and contralateral knees that had significant interactions among meniscal groups ( P = .007). There was significant difference in ATT between patients with intact menisci and medial tears ( P = .036) and with medial tears and lateral tears ( P = .025). Patients with intact menisci had no difference in ATT, with a negligible effect size between the ACLR and contralateral knees (mean ± SEM: 13.1 ± 0.7 mm vs 12.6 ± 0.5 mm, P = .24, Cohen d = 0.15, n = 24), while patients with medial meniscal tears had an increase in ATT, with a medium effect size between the ACLR and contralateral knees (15.4 ± 1.0 mm vs 13.2 ± 1.0 mm, P = .024, Cohen d = 0.66, n = 11). CONCLUSION Associated medial meniscal injury in the setting of ACLR leads to increased ATT at 24-month follow-up. Furthermore, isolated anatomic ACLR in the absence of meniscal injury demonstrated no significant difference from native knee kinematics at 24-month follow-up during rigorous "high demand" knee activity with the current sample size. Patients undergoing anatomic ACLR in the presence of medial meniscal injury remained at a higher likelihood of sustaining altered long-term knee kinematics.
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Affiliation(s)
- Berkcan Akpinar
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | | | - James J Irrgang
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Scott Tashman
- University of Texas Health Science Center, Houston, Texas, USA
| | - Freddie H Fu
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - William J Anderst
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
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Use of optical motion capture for the analysis of normative upper body kinematics during functional upper limb tasks: A systematic review. J Electromyogr Kinesiol 2018. [PMID: 29533202 DOI: 10.1016/j.jelekin.2018.02.011] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Quantifying three-dimensional upper body kinematics can be a valuable method for assessing upper limb function. Considering that kinematic model characteristics, performed tasks, and reported outcomes are not consistently standardized and exhibit significant variability across studies, the purpose of this review was to evaluate the literature investigating upper body kinematics in non-disabled individuals via optical motion capture. Specific objectives were to report on the kinematic model characteristics, performed functional tasks, and kinematic outcomes, and to assess whether kinematic protocols were assessed for validity and reliability. Five databases were searched. Studies using anatomical and/or cluster marker sets, along with optical motion capture, and presenting normative data on upper body kinematics were eligible for review. Information extracted included model characteristics, performed functional tasks, kinematic outcomes, and validity or reliability testing. 804 publication records were screened and 20 reviewed based on the selection criteria. Thirteen studies described their kinematic protocols adequately for reproducibility, and 8 studies followed International Society of Biomechanics standards for quantifying upper body kinematics. Six studies assessed their protocols for validity or reliability. While a substantial number of studies have adequately reported their protocols, more systematic work is needed to evaluate the validity and reliability of existing protocols.
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Iaquinto JM, Kindig MW, Haynor DR, Vu Q, Pepin N, Tsai R, Sangeorzan BJ, Ledoux WR. Model-based tracking of the bones of the foot: A biplane fluoroscopy validation study. Comput Biol Med 2018; 92:118-127. [PMID: 29175098 DOI: 10.1016/j.compbiomed.2017.11.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 11/06/2017] [Accepted: 11/07/2017] [Indexed: 12/26/2022]
Abstract
Measuring foot kinematics using optical motion capture is technically challenging due to the depth of the talus, small bone size, and soft tissue artifact. We present a validation of our biplane X-ray system, demonstrating its accuracy in tracking the foot bones directly. Using an experimental linear/rotary stage we imaged pairs of tali, calcanei, and first metatarsals, with embedded beads, through 30 poses. Model- and bead-based algorithms were employed for semi-automatic tracking. Translational and rotational poses were compared to the experimental stage (a reference standard) to determine registration performance. For each bone, 10 frames per pose were analyzed. Model-based: The resulting overall translational bias of the six bones was 0.058 mm with a precision of ± 0.049 mm. The overall rotational bias of the six bones was 0.42° with a precision of ± 0.41°. Bead-based: the overall translational bias was 0.037 mm with a precision of ± 0.032 mm and for rotation was 0.29° with a precision of ± 0.26°. We validated the accuracy of our system to determine the spatial position and orientation of isolated foot bones, including the talus, calcaneus, and first metatarsal over a range of quasi-static poses. Although the accuracy of dynamic motion was not assessed, use of an experimental stage establishes a reference standard.
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Affiliation(s)
- Joseph M Iaquinto
- RR&D Center for Limb Loss and MoBility, Department of Veterans Affairs, Seattle, WA 98108, USA; Department of Mechanical Engineering, University of Washington, Seattle, WA 98195, USA
| | - Matthew W Kindig
- RR&D Center for Limb Loss and MoBility, Department of Veterans Affairs, Seattle, WA 98108, USA
| | - David R Haynor
- Department of Radiology, University of Washington, Seattle, WA 98195, USA
| | - QuocBao Vu
- Department of Mechanical Engineering, University of Washington, Seattle, WA 98195, USA
| | - Nathan Pepin
- Department of Mechanical Engineering, University of Washington, Seattle, WA 98195, USA
| | - Richard Tsai
- RR&D Center for Limb Loss and MoBility, Department of Veterans Affairs, Seattle, WA 98108, USA
| | - Bruce J Sangeorzan
- RR&D Center for Limb Loss and MoBility, Department of Veterans Affairs, Seattle, WA 98108, USA; Department of Orthopaedics & Sports Medicine, University of Washington, Seattle, WA 98195, USA
| | - William R Ledoux
- RR&D Center for Limb Loss and MoBility, Department of Veterans Affairs, Seattle, WA 98108, USA; Department of Mechanical Engineering, University of Washington, Seattle, WA 98195, USA; Department of Orthopaedics & Sports Medicine, University of Washington, Seattle, WA 98195, USA.
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Balsdon MER, Bushey KM, Dombroski CE, LeBel ME, Jenkyn TR. Medial Longitudinal Arch Angle Presents Significant Differences Between Foot Types: A Biplane Fluoroscopy Study. J Biomech Eng 2017; 138:2546138. [PMID: 27548905 DOI: 10.1115/1.4034463] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Indexed: 11/08/2022]
Abstract
The structure of the medial longitudinal arch (MLA) affects the foot's overall function and its ability to dissipate plantar pressure forces. Previous research on the MLA includes measuring the calcaneal-first metatarsal angle using a static sagittal plane radiograph, a dynamic height-to-length ratio using marker clusters with a multisegment foot model, and a contained angle using single point markers with a multisegment foot model. The objective of this study was to use biplane fluoroscopy to measure a contained MLA angle between foot types: pes planus (low arch), pes cavus (high arch), and normal arch. Fifteen participants completed the study, five from each foot type. Markerless fluoroscopic radiostereometric analysis (fRSA) was used with a three-dimensional model of the foot bones and manually matching those bones to a pair of two-dimensional radiographic images during midstance of gait. Statistically significant differences were found between barefoot arch angles of the normal and pes cavus foot types (p = 0.036), as well as between the pes cavus and pes planus foot types (p = 0.004). Dynamic walking also resulted in a statistically significant finding compared to the static standing trials (p = 0.014). These results support the classification of individuals following a physical assessment by a foot specialist for those with pes cavus and planus foot types. The differences between static and dynamic kinematic measurements were also supported using this novel method.
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Aurand AM, Dufour JS, Marras WS. Accuracy map of an optical motion capture system with 42 or 21 cameras in a large measurement volume. J Biomech 2017; 58:237-240. [DOI: 10.1016/j.jbiomech.2017.05.006] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 04/12/2017] [Accepted: 05/08/2017] [Indexed: 11/26/2022]
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Kruger KM, Konop KA, Krzak JJ, Graf A, Altiok H, Smith PA, Harris GF. Segmental kinematic analysis of planovalgus feet during walking in children with cerebral palsy. Gait Posture 2017; 54:277-283. [PMID: 28384608 DOI: 10.1016/j.gaitpost.2017.03.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 03/16/2017] [Accepted: 03/21/2017] [Indexed: 02/02/2023]
Abstract
Pes planovalgus (flatfoot) is a common deformity among children with cerebral palsy. The Milwaukee Foot Model (MFM), a multi-segmental kinematic foot model, which uses radiography to align the underlying bony anatomy with reflective surface markers, was used to evaluate 20 pediatric participants (30feet) with planovalgus secondary to cerebral palsy prior to surgery. Three-dimensional kinematics of the tibia, hindfoot, forefoot, and hallux segments are reported and compared to an age-matched control set of typically-developing children. Most results were consistent with known characteristics of the deformity and showed decreased plantar flexion of the forefoot relative to hindfoot, increased forefoot abduction, and decreased ranges of motion during push-off in the planovalgus group. Interestingly, while forefoot characteristics were uniformly distributed in a common direction in the transverse plane, there was marked variability of forefoot and hindfoot coronal plane and hindfoot transverse plane positioning. The key finding of these data was the radiographic indexing of the MFM was able to show flat feet in cerebral palsy do not always demonstrate more hindfoot eversion than the typically-developing hindfoot. The coronal plane kinematics of the hindfoot show cases planovalgus feet with the hindfoot in inversion, eversion, and neutral. Along with other metrics, the MFM can be a valuable tool for monitoring kinematic deformity, facilitating clinical decision making, and providing a quantitative analysis of surgical effects on the planovalgus foot.
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Affiliation(s)
- Karen M Kruger
- Marquette University, P.O. Box 1881, Milwaukee, WI 53201, USA.
| | | | - Joseph J Krzak
- Shriners Hospitals for Children - Chicago, 2211 N Oak Park Ave., Chicago, IL 60707, USA; Midwestern University, Physical Therapy Program, 555 31st St., Downers Grove, IL 60515, USA
| | - Adam Graf
- Shriners Hospitals for Children - Chicago, 2211 N Oak Park Ave., Chicago, IL 60707, USA
| | - Haluk Altiok
- Shriners Hospitals for Children - Chicago, 2211 N Oak Park Ave., Chicago, IL 60707, USA
| | - Peter A Smith
- Shriners Hospitals for Children - Chicago, 2211 N Oak Park Ave., Chicago, IL 60707, USA
| | - Gerald F Harris
- Marquette University, P.O. Box 1881, Milwaukee, WI 53201, USA; Shriners Hospitals for Children - Chicago, 2211 N Oak Park Ave., Chicago, IL 60707, USA
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Baxter JR, Sturnick DR, Demetracopoulos CA, Ellis SJ, Deland JT. Cadaveric gait simulation reproduces foot and ankle kinematics from population-specific inputs. J Orthop Res 2016; 34:1663-8. [PMID: 26773718 DOI: 10.1002/jor.23169] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 01/08/2016] [Indexed: 02/04/2023]
Abstract
Cadaveric gait simulation allows researchers to directly investigate biomechanical consequences of surgeries using invasive measurement techniques. However, it is unclear if foot and ankle kinematics that are population-specific are reproduced using these devices. Therefore, we assessed foot and ankle kinematics produced in a cadaveric gait simulator during the stance phase of gait in a set of five cadaveric feet. Tibial motions and ground reaction forces previously collected in vivo in a group of healthy adults were applied as inputs parameters. In vitro foot and ankle kinematics were acquired and directly compared to population-specific in vivo kinematics of the same healthy adults from which input parameters were acquired. Analyses were completed using cross correlation to determine the similarities in kinematic profiles and joint ranges of motion were calculated to determine absolute differences in kinematics. Ankle, subtalar, and talonavicular in vitro joint kinematics were positively correlated to in vivo joint kinematics (rxy = 0.57-0.87). Further, in vivo and in vitro foot and ankle kinematics demonstrated similar amounts of within-group variability (rxy = 0.50-0.85 and rxy = 0.72-0.76, respectively). Our findings demonstrate that cadaveric gait simulation techniques reproduce population-specific foot and ankle kinematics, providing a valuable research tool for testing surgical treatments of foot and ankle maladies. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 34:1663-1668, 2016.
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Affiliation(s)
- Josh R Baxter
- Department of Biomechanics, Hospital for Special Surgery, 535 East 70th Street, New York, New York, 10021
| | - Daniel R Sturnick
- Department of Biomechanics, Hospital for Special Surgery, 535 East 70th Street, New York, New York, 10021
| | | | - Scott J Ellis
- Department of Foot and Ankle Surgery, Hospital for Special Surgery, 535 East 70th Street, New York, New York, 10021
| | - Jonathan T Deland
- Department of Foot and Ankle Surgery, Hospital for Special Surgery, 535 East 70th Street, New York, New York, 10021
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Wu LC, Nangia V, Bui K, Hammoor B, Kurt M, Hernandez F, Kuo C, Camarillo DB. In Vivo Evaluation of Wearable Head Impact Sensors. Ann Biomed Eng 2016; 44:1234-45. [PMID: 26289941 PMCID: PMC4761340 DOI: 10.1007/s10439-015-1423-3] [Citation(s) in RCA: 165] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Accepted: 08/07/2015] [Indexed: 10/23/2022]
Abstract
Inertial sensors are commonly used to measure human head motion. Some sensors have been tested with dummy or cadaver experiments with mixed results, and methods to evaluate sensors in vivo are lacking. Here we present an in vivo method using high speed video to test teeth-mounted (mouthguard), soft tissue-mounted (skin patch), and headgear-mounted (skull cap) sensors during 6-13 g sagittal soccer head impacts. Sensor coupling to the skull was quantified by displacement from an ear-canal reference. Mouthguard displacements were within video measurement error (<1 mm), while the skin patch and skull cap displaced up to 4 and 13 mm from the ear-canal reference, respectively. We used the mouthguard, which had the least displacement from skull, as the reference to assess 6-degree-of-freedom skin patch and skull cap measurements. Linear and rotational acceleration magnitudes were over-predicted by both the skin patch (with 120% NRMS error for a(mag), 290% for α(mag)) and the skull cap (320% NRMS error for a(mag), 500% for α(mag)). Such over-predictions were largely due to out-of-plane motion. To model sensor error, we found that in-plane skin patch linear acceleration in the anterior-posterior direction could be modeled by an underdamped viscoelastic system. In summary, the mouthguard showed tighter skull coupling than the other sensor mounting approaches. Furthermore, the in vivo methods presented are valuable for investigating skull acceleration sensor technologies.
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Affiliation(s)
- Lyndia C Wu
- Department of Bioengineering, Stanford University, 443 Via Ortega, Stanford, CA, 94305, USA
| | - Vaibhav Nangia
- Department of Mechanical Engineering, Stanford University, Stanford, CA, USA
| | - Kevin Bui
- Department of Bioengineering, Stanford University, 443 Via Ortega, Stanford, CA, 94305, USA
| | - Bradley Hammoor
- Department of Bioengineering, Stanford University, 443 Via Ortega, Stanford, CA, 94305, USA
| | - Mehmet Kurt
- Department of Bioengineering, Stanford University, 443 Via Ortega, Stanford, CA, 94305, USA
| | - Fidel Hernandez
- Department of Mechanical Engineering, Stanford University, Stanford, CA, USA
| | - Calvin Kuo
- Department of Mechanical Engineering, Stanford University, Stanford, CA, USA
| | - David B Camarillo
- Department of Bioengineering, Stanford University, 443 Via Ortega, Stanford, CA, 94305, USA.
- Department of Mechanical Engineering, Stanford University, Stanford, CA, USA.
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Cross JA, McHenry B, Schmidt TG. Quantifying cross-scatter contamination in biplane fluoroscopy motion analysis systems. J Med Imaging (Bellingham) 2016; 2:043503. [PMID: 26835494 DOI: 10.1117/1.jmi.2.4.043503] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Accepted: 09/24/2015] [Indexed: 11/14/2022] Open
Abstract
Biplane fluoroscopy is used for dynamic in vivo three-dimensional motion analysis of various joints of the body. Cross-scatter between the two fluoroscopy systems may limit tracking accuracy. This study measured the magnitude and effects of cross-scatter in biplane fluoroscopic images. Four cylindrical phantoms of 4-, 6-, 8-, and 10-in. diameter were imaged at varying kVp levels to determine the cross-scatter fraction and contrast-to-noise ratio (CNR). Monte Carlo simulations quantified the effect of the gantry angle on the cross-scatter fraction. A cadaver foot with implanted beads was also imaged. The effect of cross-scatter on marker-based tracking accuracy was investigated. Results demonstrated that the cross-scatter fraction varied from 0.15 for the 4-in. cylinder to 0.89 for the 10-in. cylinder when averaged across kVp. The average change in CNR due to cross-scatter ranged from 5% to 36% CNR decreases for the 4- and 10-in. cylinders, respectively. In simulations, the cross-scatter fraction increased with the gantry angle for the 8- and 10-in. cylinders. Cross-scatter significantly increased static-tracking error by 15%, 25%, and 38% for the 6-, 8-, and 10-in. phantoms, respectively, with no significant effect for the foot specimen. The results demonstrated submillimeter marker-based tracking for a range of phantom sizes, despite cross-scatter degradation.
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Affiliation(s)
- Janelle A Cross
- Marquette University , Department of Biomedical Engineering, 1515 W. Wisconsin Avenue, Milwaukee, Wisconsin 53233, United States
| | - Ben McHenry
- Marquette University , Department of Biomedical Engineering, 1515 W. Wisconsin Avenue, Milwaukee, Wisconsin 53233, United States
| | - Taly Gilat Schmidt
- Marquette University , Department of Biomedical Engineering, 1515 W. Wisconsin Avenue, Milwaukee, Wisconsin 53233, United States
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Kuni B, Mussler J, Kalkum E, Schmitt H, Wolf SI. Effect of kinesiotaping, non-elastic taping and bracing on segmental foot kinematics during drop landing in healthy subjects and subjects with chronic ankle instability. Physiotherapy 2015; 102:287-93. [PMID: 26422550 DOI: 10.1016/j.physio.2015.07.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Accepted: 07/24/2015] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To evaluate the effects of kinesiotape, non-elastic tape, and soft brace on segmental foot kinematics during drop landing in subjects with chronic ankle instability and healthy subjects. DESIGN Controlled study with repeated measurements. SETTING Three-dimensional motion analysis laboratory. PARTICIPANTS Twenty participants with chronic ankle instability and 20 healthy subjects. INTERVENTIONS The subjects performed drop landings with 17 retroreflective markers on the foot and lower leg in four conditions: barefoot, with kinesiotape, with non-elastic tape and with a soft brace. MAIN OUTCOME MEASURES Ranges of motion of foot segments using a foot measurement method. RESULTS In participants with chronic ankle instability, midfoot movement in the frontal plane (inclination of the medial arch) was reduced significantly by non-elastic taping, but kinesiotaping and bracing had no effect. In healthy subjects, both non-elastic taping and bracing reduced that movement. In both groups, non-elastic taping and bracing reduced rearfoot excursion in inversion/eversion significantly, which indicates a stabilisation effect. No such effect was found with kinesiotaping. All three methods reduced maximum plantar flexion significantly. CONCLUSIONS Non-elastic taping stabilised the midfoot best in patients with chronic ankle instability, while kinesiotaping did not influence foot kinematics other than to stabilise the rearfoot in the sagittal plane. CLINICAL TRIAL REGISTRATION NUMBER ClinicalTrials.gov NCT01810471.
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Affiliation(s)
- B Kuni
- Clinic for Orthopaedics and Trauma Surgery, Centre for Orthopaedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany.
| | - J Mussler
- Clinic for Orthopaedics and Trauma Surgery, Centre for Orthopaedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany
| | - E Kalkum
- Clinic for Orthopaedics and Trauma Surgery, Centre for Orthopaedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany
| | - H Schmitt
- Clinic for Orthopaedics and Trauma Surgery, Centre for Orthopaedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany
| | - S I Wolf
- Clinic for Orthopaedics and Trauma Surgery, Centre for Orthopaedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany
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McHenry BD, Exten EL, Long J, Law B, Marks RM, Harris G. Sagittal subtalar and talocrural joint assessment with weight-bearing fluoroscopy during barefoot ambulation. Foot Ankle Int 2015; 36:430-5. [PMID: 25380773 DOI: 10.1177/1071100714559540] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Identifying talar position during ambulation has proved difficult as the talus lacks palpable landmarks for skin marker placement and more invasive methodologies such as bone pins are not practical for most clinical subjects. A fluoroscopic motion system was used to track the talus and calcaneus, allowing kinematic analysis of the talocrural and subtalar joints. METHODS Thirteen male subjects (mean age 22.9 ± 3.0 years) previously screened for normal gait were tested. A fluoroscopy unit was used to collect images at 120 fps during stance. Sagittal motion of the talocrural and subtalar joints were analyzed. RESULTS The intersubject mean and standard deviation values for all 58 trials of 13 subjects are reported. Maximum talocrural joint plantarflexion of 11.2 degrees (4.3 degrees of standard deviation) occurred at 11% stance and maximum dorsiflexion of -6.9 degrees (5.6 degrees of standard deviation) occurred at 85%. Maximum subtalar joint plantarflexion of 4.8 degrees (1.0 degrees of standard deviation) occurred at 96% stance and maximum dorsiflexion of -3.6 degrees (2.3 degrees of standard deviation) occurred at 30%. Talocrural and subtalar range of motion values during stance were 18.1 and 8.4 degrees, respectively. CONCLUSION Existing fluoroscopic technology was capable of defining sagittal plane talocrural and subtalar motion during gait. These kinematic results compare favorably with more invasive techniques. This type of assessment could support more routine analysis of in vivo bony motion during gait. CLINICAL RELEVANCE Fluoroscopic technology offers improved sagittal plane motion evaluation during weight-bearing with potential application in patients with end-stage ankle arthritis, postoperative ankle replacements and fusions, and orthotics and braces.
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Affiliation(s)
| | | | - Jason Long
- Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Brian Law
- Medical College of Wisconsin, Milwaukee, WI, USA
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Hoffman SE, Peltz CD, Haladik JA, Divine G, Nurse MA, Bey MJ. Dynamic in-vivo assessment of navicular drop while running in barefoot, minimalist, and motion control footwear conditions. Gait Posture 2015; 41:825-9. [PMID: 25791869 DOI: 10.1016/j.gaitpost.2015.02.017] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Revised: 12/12/2014] [Accepted: 02/28/2015] [Indexed: 02/02/2023]
Abstract
Running-related injuries are common and previous research has suggested that the magnitude and/or rate of pronation may contribute to the development of these injuries. Accurately and directly measuring pronation can be challenging, and therefore previous research has often relied on navicular drop (under both static and dynamic conditions) as an indirect assessment of pronation. The objectives of this study were to use dynamic, biplane X-ray imaging to assess the effects of three footwear conditions (barefoot, minimalist shoes, motion control shoes) on the magnitude and rate of navicular drop during running, and to determine the association between static and dynamic measures of navicular drop. Twelve healthy distance runners participated in this study. The magnitude and rate of navicular drop were determined by tracking the 3D position of the navicular from biplane radiographic images acquired at 60Hz during the stance phase of overground running. Static assessments of navicular drop and foot posture were also recorded in each subject. Footwear condition was not found to have a significant effect on the magnitude of navicular drop (p=0.22), but motion control shoes had a slower navicular drop rate than running barefoot (p=0.05) or in minimalist shoes (p=0.05). In an exploratory analysis, static assessments of navicular drop and foot posture were found to be poor predictors of dynamic navicular drop in all footwear conditions (p>0.18).
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Affiliation(s)
- Scott E Hoffman
- Henry Ford Health Systems, Department of Orthopaedic Surgery, Bone and Joint Center, 2799W. Grand Blvd., E&R 2015, Detroit, MI 48202, United States
| | - Cathryn D Peltz
- Henry Ford Health Systems, Department of Orthopaedic Surgery, Bone and Joint Center, 2799W. Grand Blvd., E&R 2015, Detroit, MI 48202, United States.
| | - Jeffrey A Haladik
- Henry Ford Health Systems, Department of Orthopaedic Surgery, Bone and Joint Center, 2799W. Grand Blvd., E&R 2015, Detroit, MI 48202, United States
| | - George Divine
- Henry Ford Health Systems, Department of Public Health Science, 2799W. Grand Blvd., Detroit, MI 48202, United States
| | - Matthew A Nurse
- Nike, Inc., Nike Sport Research Lab, Beaverton, OR, United States
| | - Michael J Bey
- Henry Ford Health Systems, Department of Orthopaedic Surgery, Bone and Joint Center, 2799W. Grand Blvd., E&R 2015, Detroit, MI 48202, United States
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A method to investigate the effect of shoe-hole size on surface marker movement when describing in-shoe joint kinematics using a multi-segment foot model. Gait Posture 2015; 41:295-9. [PMID: 25304087 DOI: 10.1016/j.gaitpost.2014.09.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Revised: 09/02/2014] [Accepted: 09/08/2014] [Indexed: 02/02/2023]
Abstract
To investigate in-shoe foot kinematics, holes are often cut in the shoe upper to allow markers to be placed on the skin surface. However, there is currently a lack of understanding as to what is an appropriate size. This study aimed to demonstrate a method to assess whether different diameter holes were large enough to allow free motion of marker wands mounted on the skin surface during walking using a multi-segment foot model. Eighteen participants underwent an analysis of foot kinematics whilst walking barefoot and wearing shoes with different size holes (15 mm, 20mm and 25 mm). The analysis was conducted in two parts; firstly the trajectory of the individual skin-mounted markers were analysed in a 2D ellipse to investigate total displacement of each marker during stance. Secondly, a geometrical analysis was conducted to assess cluster deformation of the hindfoot and midfoot-forefoot segments. Where movement of the markers in the 15 and 20mm conditions were restricted, the marker movement in the 25 mm condition did not exceed the radius at any anatomical location. Despite significant differences in the isotropy index of the medial and lateral calcaneus markers between the 25 mm and barefoot conditions, the differences were due to the effect of footwear on the foot and not a result of the marker wands hitting the shoe upper. In conclusion, the method proposed and results can be used to increase confidence in the representativeness of joint kinematics with respect to in-shoe multi-segment foot motion during walking.
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Nester CJ, Jarvis HL, Jones RK, Bowden PD, Liu A. Movement of the human foot in 100 pain free individuals aged 18-45: implications for understanding normal foot function. J Foot Ankle Res 2014; 7:51. [PMID: 25493100 PMCID: PMC4260241 DOI: 10.1186/s13047-014-0051-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 11/10/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Understanding motion in the normal healthy foot is a prerequisite for understanding the effects of pathology and thereafter setting targets for interventions. Quality foot kinematic data from healthy feet will also assist the development of high quality and research based clinical models of foot biomechanics. To address gaps in the current literature we aimed to describe 3D foot kinematics using a 5 segment foot model in a population of 100 pain free individuals. METHODS Kinematics of the leg, calcaneus, midfoot, medial and lateral forefoot and hallux were measured in 100 self reported healthy and pain free individuals during walking. Descriptive statistics were used to characterise foot movements. Contributions from different foot segments to the total motion in each plane were also derived to explore functional roles of different parts of the foot. RESULTS Foot segments demonstrated greatest motion in the sagittal plane, but large ranges of movement in all planes. All foot segments demonstrated movement throughout gait, though least motion was observed between the midfoot and calcaneus. There was inconsistent evidence of movement coupling between joints. There were clear differences in motion data compared to foot segment models reported in the literature. CONCLUSIONS The data reveal the foot is a multiarticular structure, movements are complex, show incomplete evidence of coupling, and vary person to person. The data provide a useful reference data set against which future experimental data can be compared and may provide the basis for conceptual models of foot function based on data rather than anecdotal observations.
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Affiliation(s)
- Christopher J Nester
- School of Health Sciences, University of Salford, PO 32 Brian Blatchford Building, Salford, M6 6PU UK
| | - Hannah L Jarvis
- School of Health Sciences, University of Salford, PO 32 Brian Blatchford Building, Salford, M6 6PU UK
| | - Richard K Jones
- School of Health Sciences, University of Salford, PO 32 Brian Blatchford Building, Salford, M6 6PU UK
| | - Peter D Bowden
- School of Health Sciences, University of Salford, PO 32 Brian Blatchford Building, Salford, M6 6PU UK
| | - Anmin Liu
- School of Health Sciences, University of Salford, PO 32 Brian Blatchford Building, Salford, M6 6PU UK
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Abstract
UNLABELLED Many studies investigated the contributing factors of chronic ankle instability, but a consensus has not yet been obtained. The objective of this critical review is to provide recent scientific evidence on chronic ankle instability, including the epidemiology and pathology of lateral ankle sprain as well as the causative factors of chronic ankle instability. We searched MEDLINE from 1964 to December 2013 using the terms ankle, sprain, ligament, injury, chronic, functional, mechanical, and instability. Lateral ankle sprain shows a very high recurrence rate and causes considerable economic loss due to medical care, prevention, and secondary disability. During the acute phase, patients with ankle sprain demonstrate symptoms such as pain, range of motion deficit, postural control deficit, and muscle weakness, and these symptoms may persist, leading to chronic ankle instability. Although some agreement regarding the effects of chronic ankle instability with deficits in postural control and/or concentric eversion strength exists, the cause of chronic ankle instability remains controversial. LEVELS OF EVIDENCE Therapeutic Level IV: Review of Level IV studies.
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Affiliation(s)
- Takumi Kobayashi
- Department of Physical Therapy, Hokkaido Chitose Institute of Rehabilitation Technology, Hokkaido, Japan (TK)Department of Rehabilitation, Hiroshima International University, Hiroshima, Japan (KG)
| | - Kazuyoshi Gamada
- Department of Physical Therapy, Hokkaido Chitose Institute of Rehabilitation Technology, Hokkaido, Japan (TK)Department of Rehabilitation, Hiroshima International University, Hiroshima, Japan (KG)
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JOÃO FILIPA, VELOSO ANTÓNIO, AMADO SANDRA, ARMADA-DA-SILVA PAULO, MAURÍCIO ANAC. CAN GLOBAL OPTIMIZATION TECHNIQUE COMPENSATE FOR MARKER SKIN MOVEMENT IN RAT KINEMATICS? J MECH MED BIOL 2014. [DOI: 10.1142/s0219519414500651] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The motion of the skeletal estimated from skin attached marker-based motion capture(MOCAP) systems is known to be affected by significant bias caused by anatomical landmarks mislocation but especially by soft tissue artifacts (such as skin deformation and sliding, inertial effects and muscle contraction). As a consequence, the error associated with this bias can propagate to joint kinematics and kinetics data, particularly in small rodents. The purpose of this study was to perform a segmental kinematic analysis of the rat hindlimb during locomotion, using both global optimization as well as segmental optimization methods. Eight rats were evaluated for natural overground walking and motion of the right hindlimb was captured with an optoeletronic system while the animals walked in the track. Three-dimensional (3D) biomechanical analyses were carried out and hip, knee and ankle joint angular displacements and velocities were calculated. Comparison between both methods demonstrated that the magnitude of the kinematic error due to skin movement increases in the segmental optimization when compared with the global optimization method. The kinematic results assessed with the global optimization method matches more closely to the joint angles and ranges of motion calculated from bone-derived kinematics, being the knee and hip joints with more significant differences.
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Affiliation(s)
- FILIPA JOÃO
- Univ Tecn Lisboa, Fac Motricidade Humana-CIPER-LBMF, Estrada da Costa, P-1499-002 Lisbon, Portugal
| | - ANTÓNIO VELOSO
- Univ Tecn Lisboa, Fac Motricidade Humana-CIPER-LBMF, Estrada da Costa, P-1499-002 Lisbon, Portugal
| | - SANDRA AMADO
- Univ Tecn Lisboa, Fac Motricidade Humana-CIPER-LBMF, Estrada da Costa, P-1499-002 Lisbon, Portugal
| | - PAULO ARMADA-DA-SILVA
- Univ Tecn Lisboa, Fac Motricidade Humana-CIPER-LBMF, Estrada da Costa, P-1499-002 Lisbon, Portugal
| | - ANA C. MAURÍCIO
- Department of Veterinary Clinics, Institute of Biomedical Sciences Abel Salazar (ICBAS), Porto University (UP), P-4050-313, Porto, Portugal
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48
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Marker-based validation of a biplane fluoroscopy system for quantifying foot kinematics. Med Eng Phys 2014; 36:391-6. [DOI: 10.1016/j.medengphy.2013.08.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2013] [Revised: 07/31/2013] [Accepted: 08/27/2013] [Indexed: 11/24/2022]
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49
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Novak AC, Mayich DJ, Perry SD, Daniels TR, Brodsky JW. Gait analysis for foot and ankle surgeons-- topical review, part 2: approaches to multisegment modeling of the foot. Foot Ankle Int 2014; 35:178-91. [PMID: 24334310 DOI: 10.1177/1071100713511435] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Alison C Novak
- iDAPT Centre for Rehabilitation Research, Toronto Rehabilitation Institute-UHN, Toronto, Canada
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Kobayashi T, Saka M, Suzuki E, Yamazaki N, Suzukawa M, Akaike A, Shimizu K, Gamada K. In vivo kinematics of the talocrural and subtalar joints during weightbearing ankle rotation in chronic ankle instability. Foot Ankle Spec 2014; 7:13-9. [PMID: 24334366 DOI: 10.1177/1938640013514269] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Chronic ankle instability (CAI) results in abnormal ankle kinematics, but there exists limited quantitative data characterizing these alterations. This study was undertaken to investigate kinematic alterations of the talocrural and subtalar joints in CAI. METHODS A total of 14 male patients with unilateral CAI (mean age = 21.1 ± 2.5 years) were enrolled. Computed tomography and fluoroscopic imaging of both lower extremities during weightbearing passive ankle joint complex (AJC) rotation were obtained. Three-dimensional bone models created from the computed tomography images were matched with the fluoroscopic images to compute the 6 degrees-of-freedom talocrural, subtalar, and AJC kinematics. RESULTS In 20° plantarflexion, ankles with CAI demonstrated significantly increased anterior translation of the talocrural joint during AJC internal rotation from 5° to 7° and significantly decreased talocrural internal rotation within an AJC arc of motion from -1° to 5°. CAI joints demonstrated significantly increased internal rotation of the subtalar joint within an AJC arc of motion from -1° to 3°. DISCUSSION In CAI, altered subtalar internal rotation occurs with increased talocrural anterior translation and reduced talocrural internal rotation during weightbearing ankle internal rotation in plantarflexion. These results suggest that altered subtalar mechanics may contribute to CAI symptoms.
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Affiliation(s)
- Takumi Kobayashi
- Graduate School of Medical Technology and Health Welfare Sciences, Hiroshima International University, Hiroshima (TK, MS, KG)
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