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Persine S, Simoneau-Buessinger E, Charlaté F, Bassement J, Gillet C, Découfour N, Leteneur S. Transfemoral amputees adapt their gait during cross-slope walking with specific upper-lower limb coordination. Gait Posture 2023; 105:171-176. [PMID: 37579592 DOI: 10.1016/j.gaitpost.2023.08.001] [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: 05/06/2022] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 08/16/2023]
Abstract
BACKGROUND Unilateral lower limb amputees have asymmetrical gaits, particularly on irregular surfaces and slopes. It is unclear how coordination between arms and legs can adapt during cross-slope walking. RESEARCH QUESTION How do transfemoral amputees (TFAs) adapt their upper-lower limb coordination on cross-slope surfaces? METHODS Twenty TFA and 20 healthy adults (Ctrl) performed a three-dimensional gait analysis in 2 walking conditions: level ground and cross-slope with prosthesis uphill. Sagittal joint angles and velocities of hips and shoulders were calculated. Continuous relative phases (CRP) were computed between the shoulder and the hip of the opposite side. The closer to 0 the CRP is, the more coordinated the joints are. Curve analysis were conducted using SPM. RESULTS The mean CRP between the downhill shoulder and the uphill hip was higher in TFA compared to Ctrl (p = 0.02), with a walking conditions effect (p = 0.005). TFA showed significant differences about the end of the stance phase (p = 0.01) between level ground and cross-slope, while Ctrl showed a significant difference (p = 0.008) between these walking conditions at the end of the swing phase. In CRP between the uphill shoulder and the downhill hip, SnPM analysis showed intergroup differences during the stance phase (p < 0.05), but not in the comparison between walking conditions in TFA and Ctrl groups. SIGNIFICANCE TFA showed an asymmetrical coordination in level ground walking compared to Ctrl. Walking on cross-slope led to upper-lower limb coordination adaptations: this condition impacted the CRP between downhill shoulder and uphill hip in both groups. The management of the prosthetic limb, positioned uphill, induced a reorganization of the coordination with the upper limb of the amputated side. Identifying upper-lower limb coordination adaptations on cross-slope surfaces will help to achieve rehabilitation goals for effective walking in urban environments.
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Affiliation(s)
- S Persine
- Centre Jacques Calvé, Fondation HOPALE, Berck-sur-mer, France; Univ. Polytechnique Hauts-de-France, LAMIH, CNRS, UMR 8201, F-59313 Valenciennes, France.
| | - E Simoneau-Buessinger
- Univ. Polytechnique Hauts-de-France, LAMIH, CNRS, UMR 8201, F-59313 Valenciennes, France
| | - F Charlaté
- Centre Jacques Calvé, Fondation HOPALE, Berck-sur-mer, France
| | - J Bassement
- Institut Stablinski, Centre Hospitalier de Valenciennes, France
| | - C Gillet
- Univ. Polytechnique Hauts-de-France, LAMIH, CNRS, UMR 8201, F-59313 Valenciennes, France
| | - N Découfour
- Faculté de Médecine et de Maïeutique, Institut Catholique de Lille, France
| | - S Leteneur
- Univ. Polytechnique Hauts-de-France, LAMIH, CNRS, UMR 8201, F-59313 Valenciennes, France
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Corrigan P, Felson DT, Lewis CL, Neogi T, LaValley MP, Gross KD, Nevitt MC, Lewis CE, Torner JC, Stefanik JJ. Relation of Temporal Asymmetry During Walking to Two-Year Knee Pain Outcomes in Those With Mild-to-Moderate Unilateral Knee Pain: An Exploratory Analysis From the Multicenter Osteoarthritis Study. Arthritis Care Res (Hoboken) 2023; 75:1735-1743. [PMID: 36305013 PMCID: PMC10133409 DOI: 10.1002/acr.25050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 09/13/2022] [Accepted: 10/25/2022] [Indexed: 01/31/2023]
Abstract
OBJECTIVE We aimed to explore the cross-sectional relation of unilateral knee pain severity and temporal asymmetry during walking and to determine relations of temporal asymmetry during walking to 2-year changes in ipsilateral and contralateral knee pain in those with mild-to-moderate unilateral knee pain. METHODS The Multicenter Osteoarthritis Study is a prospective cohort study of adults with or at risk for knee osteoarthritis. The current study included participants with unilateral knee pain. Gait was assessed during self-selected and fast walking at baseline. Knee pain was assessed at baseline and 2 years. We calculated limb symmetry indices (LSIs; nonpainful limb/painful limb × 100) for stance, single-limb support time, and double-limb support time, then examined their relations to unilateral knee pain severity, incident contralateral knee pain, and persistent ipsilateral knee pain. RESULTS Unilateral knee pain severity was not associated with temporal asymmetry during self-selected or fast walking. At 2 years, 17.1% of participants had incident contralateral knee pain and 51.4% had persistent ipsilateral knee pain. For self-selected walking, greater LSIs (i.e., longer time on the nonpainful limb) for stance and single-limb support time were associated with decreased odds of incident contralateral knee pain. Measures of temporal asymmetry were not associated with persistent ipsilateral knee pain, except for single-limb support time during fast walking. CONCLUSION For those with unilateral knee pain, temporal asymmetry during walking is not associated with pain severity. However, select measures of stance and single-limb support time during self-selected and fast walking relate to longitudinal knee pain outcomes.
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Affiliation(s)
- Patrick Corrigan
- Department of Physical Therapy, Movement and Rehabilitation Sciences, Northeastern University, Boston, Massachusetts
- Department of Physical Therapy and Athletic Training, Saint Louis University, St. Louis, Missouri
| | - David T. Felson
- Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts
| | - Cara L. Lewis
- Department of Physical Therapy & Athletic Training, Boston University, Boston, Massachusetts
| | - Tuhina Neogi
- Section of Rheumatology, Boston University School of Medicine, Boston, Massachusetts
| | | | - K. Doug Gross
- Department of Physical Therapy, MGH Institute of Health Professions, Boston, Massachusetts
| | - Michael C. Nevitt
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California
| | - Cora E. Lewis
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - James C. Torner
- Department of Epidemiology, University of Iowa, Iowa City, Iowa
| | - Joshua J. Stefanik
- Department of Physical Therapy, Movement and Rehabilitation Sciences, Northeastern University, Boston, Massachusetts
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Iijima H, Eguchi R, Aya Y, Terabe Y, Takahashi M. Compensatory gait mechanics in person with multiple toe amputation: A single case report. Clin Case Rep 2023; 11:e7675. [PMID: 37621725 PMCID: PMC10444944 DOI: 10.1002/ccr3.7675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 06/16/2023] [Accepted: 06/23/2023] [Indexed: 08/26/2023] Open
Abstract
This case highlights the biomechanical influence of toe amputation on contralateral limb force elevation, possibly through reduced ipsilateral plantar flexor torque production. These findings provide insight into toe amputation-related compensatory gait mechanics with greater inter-limb asymmetry, which may increase the risk of musculoskeletal comorbidities, including osteoarthritis in contralateral limb.
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Affiliation(s)
- Hirotaka Iijima
- Institute for Advanced ResearchNagoya UniversityNagoyaJapan
- Biomedical and Health Informatics Unit, Graduate School of MedicineNagoya UniversityNagoyaJapan
| | - Ryo Eguchi
- Graduate School of Science and TechnologyKeio UniversityYokohamaJapan
| | - Yamamoto‐Kon Aya
- Division of Fundamental Nursing, Faculty of Nursing and Medical CareKeio UniversityKanagawaJapan
| | - Yuta Terabe
- Kasukabe Chuo General Hospital Limb Salvage CenterSaitamaJapan
| | - Masaki Takahashi
- Department of System Design Engineering, Faculty of Science and TechnologyKeio UniversityYokohamaJapan
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Wang J, Hu Q, Wu C, Li S, Deng Q, Tang R, Li K, Nie Y, Shen B. Gait Asymmetry Variation in Kinematics, Kinetics, and Muscle Force along with the Severity Levels of Knee Osteoarthritis. Orthop Surg 2023; 15:1384-1391. [PMID: 37057620 PMCID: PMC10157696 DOI: 10.1111/os.13721] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 04/15/2023] Open
Abstract
OBJECTIVE Knee osteoarthritis (OA) patients exhibit greater gait asymmetry than healthy controls. However, gait asymmetry in kinematics, kinetics and muscle forces across patients with different severity levels of knee OA is still unknown. The study aimed to investigate the changes of gait asymmetry in lower limb kinematics, kinetics, and muscle force across patients with different severity levels of knee OA. METHODS This is a cross-sectional study. From January 2020 to January 2021, 118 patients with symptomatic and radiographic medial knee OA were categorized into three groups using the Kellgren and Lawrence scale (mild: grade 1 and 2, n = 37; moderate: grade 3, n = 31; severe: grade 4, n = 50). During self-paced walking, marker trajectories and ground reaction forces data were recorded. Musculoskeletal simulations were used to determine gait kinematics, kinetics, and muscle force. One-way analysis of variance with Tukey's post-hoc test was used to evaluate group difference. Paired-sample t-test was used to compared the between-limb difference. RESULTS In the Severe group, significantly greater asymmetry index in knee flexion/extension range of motion (45%) was observed with a greater value on the contralateral side (p < 0.01), compared to the Mild (15%) and Moderate (15%) groups. Significantly higher peak hip contact force (JCF) on the contralateral side was found in the Mild (more affected side: 3.80 ± 0.67 BW, contralateral side: 4.01 ± 0.58 BW), Moderate (more affected side: 3.67 ± 0.56 BW, contralateral side: 4.07 ± 0.81 BW), and Severe groups (more affected side: 3.66 ± 0.79 BW, contralateral side: 3.94 ± 0.64 BW) (p < 0.05). Significantly greater gluteus medius muscle force on the contralateral side was found in Mild (more affected side: 0.48 ± 0.09 BW, contralateral side: 0.52 ± 0.12 BW), Moderate (more affected side: 0.45 ± 0.10 BW, contralateral side: 0.51 ± 0.15 BW), and Severe groups (more affected side: 0.42 ± 0.15 BW, contralateral side: 0.47 ± 0.12 BW) (p < 0.05). The contralateral side showing significantly higher peak knee adduction moment and medial knee JCF was only observed in the Mild group (p < 0.05). CONCLUSIONS Gait asymmetry in kinematics and muscle forces increased from mild to severe knee OA. Asymmetrical gait pattern tends to transfer loads from the more affected side to the contralateral side. Peak hip JCF and gluteus medius muscle force can be used to detect this asymmetrical gait pattern in patients with knee OA, regardless of severity levels.
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Affiliation(s)
- Junqing Wang
- West China Biomedical Big Data CenterSichuan University West China HospitalChengduChina
- Department of Orthopedics, Orthopedic Research Institute and National Clinical Research Center for Geriatrics, West China Hospital, West China Medical SchoolSichuan UniversityChengduChina
- Med‐X Center for InformaticsSichuan UniversityChengduChina
| | - Qinsheng Hu
- Department of Orthopedics, Orthopedic Research Institute and National Clinical Research Center for Geriatrics, West China Hospital, West China Medical SchoolSichuan UniversityChengduChina
| | - Chenyu Wu
- Department of Orthopedics, Orthopedic Research Institute and National Clinical Research Center for Geriatrics, West China Hospital, West China Medical SchoolSichuan UniversityChengduChina
| | - Shiqi Li
- College of Electrical EngineeringSichuan UniversityChengduChina
| | - Qian Deng
- Department of Orthopedics, Orthopedic Research Institute and National Clinical Research Center for Geriatrics, West China Hospital, West China Medical SchoolSichuan UniversityChengduChina
| | - Ruoliang Tang
- Sichuan University‐Pittsburgh Institute (SCUPI)Sichuan UniversityChengduChina
| | - Kang Li
- West China Biomedical Big Data CenterSichuan University West China HospitalChengduChina
| | - Yong Nie
- Department of Orthopedics, Orthopedic Research Institute and National Clinical Research Center for Geriatrics, West China Hospital, West China Medical SchoolSichuan UniversityChengduChina
| | - Bin Shen
- Department of Orthopedics, Orthopedic Research Institute and National Clinical Research Center for Geriatrics, West China Hospital, West China Medical SchoolSichuan UniversityChengduChina
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Sacco ICN, Trombini-Souza F, Suda EY. Impact of biomechanics on therapeutic interventions and rehabilitation for major chronic musculoskeletal conditions: A 50-year perspective. J Biomech 2023; 154:111604. [PMID: 37159980 DOI: 10.1016/j.jbiomech.2023.111604] [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: 01/26/2023] [Revised: 04/12/2023] [Accepted: 04/25/2023] [Indexed: 05/11/2023]
Abstract
The pivotal role of biomechanics in the past 50 years in consolidating the basic knowledge that underpins prevention and rehabilitation measures has made this area a great spotlight for health practitioners. In clinical practice, biomechanics analysis of spatiotemporal, kinematic, kinetic, and electromyographic data in various chronic conditions serves to directly enhance deeper understanding of locomotion and the consequences of musculoskeletal dysfunctions in terms of motion and motor control. It also serves to propose straightforward and tailored interventions. The importance of this approach is supported by myriad biomechanical outcomes in clinical trials and by the development of new interventions clearly grounded on biomechanical principles. Over the past five decades, therapeutic interventions have been transformed from fundamentally passive in essence, such as orthoses and footwear, to emphasizing active prevention, including exercise approaches, such as bottom-up and top-down strengthening programs for runners and people with osteoarthritis. These approaches may be far more effective inreducing pain, dysfunction, and, ideally, incidence if they are based on the biomechanical status of the affected person. In this review, we demonstrate evidence of the impact of biomechanics and motion analysis as a foundation for physical therapy/rehabilitation and preventive strategies for three chronic conditions of high worldwide prevalence: diabetes and peripheral neuropathy, knee osteoarthritis, and running-related injuries. We conclude with a summary of recommendations for future studies needed to address current research gaps.
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Affiliation(s)
- Isabel C N Sacco
- Physical Therapy, Speech and Occupational Therapy, School of Medicine, University of São Paulo, São Paulo, Brazil.
| | - Francis Trombini-Souza
- Department of Physical Therapy, University of Pernambuco, Petrolina, Pernambuco, Brazil; Master's and Doctoral Programs in Rehabilitation and Functional Performance, University of Pernambuco, Petrolina, Pernambuco, Brazil
| | - Eneida Yuri Suda
- Postgraduate Program in Physiotherapy, Universidade Ibirapuera, São Paulo, Brazil
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Boekesteijn RJ, van Gerven J, Geurts ACH, Smulders K. Objective gait assessment in individuals with knee osteoarthritis using inertial sensors: A systematic review and meta-analysis. Gait Posture 2022; 98:109-120. [PMID: 36099732 DOI: 10.1016/j.gaitpost.2022.09.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 06/16/2022] [Accepted: 09/01/2022] [Indexed: 02/02/2023]
Abstract
BACKGROUND Objective assessment of gait using inertial sensors has shown promising results for functional evaluations in individuals with knee osteoarthritis (OA). However, the large number of possible outcome measures calls for a systematic evaluation of most relevant parameters to be used for scientific and clinical purposes. AIM This systematic review and meta-analysis aimed to identify gait parameters derived from inertial sensors that reflect gait deviations in individuals with knee OA compared to healthy control subjects (HC). METHODS A systematic search was conducted in five electronic databases (Medline, Embase, Web of Science, CINAHL, IEEE) to identify eligible articles. Risk of bias was assessed using a modified version of the Downs and Black scale. Data regarding study population, experimental procedures, and biomechanical outcomes were extracted. When a gait parameter was reported by a sufficient number of studies, a random-effects meta-analysis was conducted using the inverse variance method. RESULTS Twenty-three articles comparing gait between 411 individuals with knee OA and 507 HC were included. Individuals with knee OA had a lower gait speed than HC (standardized mean difference = -1.65), driven by smaller strides with a longer duration. Stride time variability was slightly higher in individuals with knee OA than in HC. Individuals with knee OA walked with a lower range of motion of the knee during the swing phase, less lumbar motion in the coronal plane, and a lower foot strike and toe-off angle compared to HC. SIGNIFICANCE This review shows that inertial sensors can detect gait impairments in individuals with knee OA. Large standardized mean differences found on spatiotemporal parameters support their applicability as sensitive endpoints for mobility in individuals with knee OA. More advanced measures, including kinematics of knee and trunk, may reveal gait adaptations that are more specific to knee OA, but compelling evidence was lacking.
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Affiliation(s)
- R J Boekesteijn
- Department of Research, Sint Maartenskliniek, Nijmegen, the Netherlands; Department of Rehabilitation, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands.
| | - J van Gerven
- Department of Orthopedic Surgery, Sint Maartenskliniek, Nijmegen, the Netherlands.
| | - A C H Geurts
- Department of Rehabilitation, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands.
| | - K Smulders
- Department of Research, Sint Maartenskliniek, Nijmegen, the Netherlands.
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Femorotibial alignment measured during robotic assisted knee surgery is reliable: radiologic and gait analysis. Arch Orthop Trauma Surg 2022; 142:1645-1651. [PMID: 34216259 DOI: 10.1007/s00402-021-04033-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 06/29/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Femorotibial alignment is crucial for the outcome of unicompartmental knee arthroplasty (UKA). Robotic-assisted systems are useful to increase the accuracy of alignment in UKA. However, no study has assessed if the femorotibial alignment measured by the image-free robotic system is reliable. The aim of this study was to determine whether measurement of the mechanical femorotibial axis (mFTA) in the coronal plane with handheld robotic assistance during surgery is equivalent to a static measurement on radiographs and to a dynamic measurement during walking. METHODS Twenty patients scheduled for robotic-assisted medial UKA using handheld technology were included in this prospective study. Three measurements of the frontal femorotibial axis were compared: intra-operative acquisition by computer assistance (dynamic, non-weightbearing position), radiographic measurements on long leg X-ray (static, weightbearing position), and by gait analysis during walking (dynamic, weightbearing position). RESULTS There was no significant difference in the mFTA between computer (174.4 ± 3.4°), radiological (173.9 ± 3.3°), and gait analysis (172.9 ± 5.1°) measurements (p = 0.5). There was a strong positive correlation (r = 0.6577355, p = 0.0016) between robotic-assisted measurements and gait analysis. CONCLUSION There was no significant difference in the femorotibial axis measured by the image-free robotic assistance, from the preoperative radiographs or by gait analysis. The reliability of intra-operative measurements of the frontal femorotibial axis by these robotic-assisted systems is acceptable.
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Gait Improvement in Patients with Knee Osteoarthritis after Proximal Fibular Osteotomy. BIOMED RESEARCH INTERNATIONAL 2022; 2022:1869922. [PMID: 35782074 PMCID: PMC9246634 DOI: 10.1155/2022/1869922] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/06/2022] [Accepted: 06/13/2022] [Indexed: 11/29/2022]
Abstract
Proximal fibula osteotomy (PFO) is a relatively new surgery to treat medial compartment knee osteoarthritis (KOA), which can improve varum deformity and relieve knee joint pain. However, the gait alterations in KOA patients after PFO are still poorly understood. The purpose of this study was to evaluate the gait patterns change in patients of medial compartment KOA after PFO. Gait data were collected for 9 females with unilateral medial compartment KOA before and at 6 months after PFO and also for 9 healthy age-matched females. Paired t-test was used to determine the effect of PFO within the KOA group, and independent t-test were performed to compare between KOA and control groups for spatiotemporal, kinematic, and kinetic variables. The results showed that patients with KOA had significantly increased knee peak flexion angle, knee sagittal range of motion, and peak external hip adduction moment but decreased knee frontal range of motion in the affected limb after PFO. The gait symmetry was improved postoperatively confirmed by single support and swing phases, knee peak flexion angle and sagittal range of motion, peak external hip and knee adduction moments, and peak anterior and peak posterior ground reaction forces. These findings provided evidence of a biomechanical benefit and gait improvement following PFO to treat medial compartment KOA.
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Kobsar D, Barden JM, Clermont C, Wilson JLA, Ferber R. Sex differences in the regularity and symmetry of gait in older adults with and without knee osteoarthritis. Gait Posture 2022; 95:192-197. [PMID: 35525152 DOI: 10.1016/j.gaitpost.2022.04.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 04/25/2022] [Accepted: 04/27/2022] [Indexed: 02/02/2023]
Abstract
BACKGROUND Three-dimensional (3D) motion measured at the lower back during walking can describe the regularity and symmetry of gait that may be related to osteoarthritis (OA) and functional status. However, gait speed and inherent sex differences, regardless of the presence of OA, may confound these measures. Therefore, there is a need to understand the effect of OA separately among males and females, without the confounding influence of gait speed. OBJECTIVE To investigate the difference in 3D gait regularity and symmetry measures between gait speed-matched males and females with and without knee OA. METHOD Gait regularity and symmetry were computed as autocorrelations of pelvic accelerations during treadmill walking in four groups of older adults: healthy asymptomatic females (AsymF; n = 44), healthy asymptomatic males (AsymM; n = 45), females diagnosed with knee OA (OAF; n = 44), and males diagnosed with knee OA (OAM; n = 45). Data were obtained from a larger research database, allowing for the matching of gait speed between groups. The main effect of OA, sex, and interaction effect between them was examined for the 3D gait regularity and symmetry measures at an alpha level of 0.05. RESULTS There was no main effect of OA on any variable, but there was a significant main effect of sex on mediolateral and anteroposterior gait regularity measures. Specifically, females demonstrated significantly greater gait regularity, most notably in the mediolateral directions compared to males. CONCLUSION Older adult females were found to display significantly greater mediolateral gait regularity as compared to males, regardless of the presence of OA. Further, this difference exists among matched gait speeds, suggesting it is not the result of gait speed. Overall, these results highlight the importance of sex-specific analyses and considering gait speed when examining gait acceleration patterns near the center of mass for both cross sectional and longitudinal gait assessments.
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Affiliation(s)
- Dylan Kobsar
- Department of Kinesiology, Faculty of Science, McMaster University, Hamilton, Canada.
| | - John M Barden
- Faculty of Kinesiology and Health Studies, University of Regina, Regina, Canada
| | | | - Janie L Astephen Wilson
- School of Biomedical Engineering, Faculties of Medicine and Engineering, Dalhousie University, Nova Scotia, Canada
| | - Reed Ferber
- Faculty of Kinesiology, University of Calgary, Calgary, Canada
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Huang XM, Yuan FZ, Chen YR, Huang Y, Yang ZX, Lin L, Yu JK. Physical therapy and orthopaedic equipment-induced reduction in the biomechanical risk factors related to knee osteoarthritis: a systematic review and Bayesian network meta-analysis of randomised controlled trials. BMJ Open 2022; 12:e051608. [PMID: 35140149 PMCID: PMC8830256 DOI: 10.1136/bmjopen-2021-051608] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 01/14/2022] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVE Are physical therapy or orthopaedic equipment efficacious in reducing the biomechanical risk factors in people with tibiofemoral osteoarthritis (OA)? Is there a better therapeutic intervention than others to improve these outcomes? DESIGN Systematic review with network meta-analysis (NMA) of randomised trials. DATA SOURCES PubMed, Web of Science, Cochrane Library, Embase and MEDLINE were searched through January 2021. ELIGIBILITY CRITERIA FOR SELECTING STUDIES We included randomised controlled trials exploring the benefits of using physical therapy or orthopaedic equipment in reducing the biomechanical risk factors which included knee adduction moment (KAM) and knee adduction angular impulse (KAAI) in individuals with tibiofemoral OA. DATA EXTRACTION AND SYNTHESIS Two authors extracted data independently and assessed risk of bias. We conducted an NMA to compare multiple interventions, including both direct and indirect evidences. Heterogeneity was assessed (sensitivity analysis) and quantified (I2 statistic). Grading of Recommendations Assessment, Development and Evaluation assessed the certainty of the evidence. RESULTS Eighteen randomised controlled trials, including 944 participants, met the inclusion criteria, of which 14 trials could be included in the NMA. Based on the collective probability of being the overall best therapy for reducing the first peak KAM, lateral wedge insoles (LWI) plus knee brace was closely followed by gait retraining, and knee brace only. Although no significant difference was observed among the eight interventions, variable-stiffness shoes and neuromuscular exercise exhibited an increase in the first peak KAM compared with the control condition group. And based on the collective probability of being the overall best therapy for reducing KAAI, gait retraining was followed by LWI only, and lower limb exercise. CONCLUSION The results of our study support the use of LWI plus knee brace for reducing the first peak KAM. Gait retraining did not rank highest but it influenced both KAM and KAAI and therefore it was the most recommended therapy for reducing the biomechanical risk factors.
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Affiliation(s)
- Xi-Meng Huang
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Beijing, China
| | - Fu-Zhen Yuan
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Beijing, China
| | - You-Rong Chen
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Beijing, China
| | - Ying Huang
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ze-Xi Yang
- Department of Orthopedic, Peking University Third Hospital, Beijing, China
| | - Lin Lin
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Beijing, China
| | - Jia-Kuo Yu
- Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Beijing, China
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Mazumder O, Poduval M, Ghose A, Sinha A. Walking Pole Gait to Reduce Joint Loading post Total Knee Athroplasty: Musculoskeletal modeling Approach. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2021; 2021:4605-4610. [PMID: 34892240 DOI: 10.1109/embc46164.2021.9630849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Excessive knee contact loading is precursor to osteoarthritis and related knee ailment leading to knee athroplasty. Reducing contact loading through gait modifications using assisted pole walking offers noninvasive process of medial load offloading at knee joint. In this paper, we evaluate the efficacy of different configuration of pole walking for reducing contact force at the knee joint through musculoskeletal (MSK) modeling. We have developed a musculoskeletal model for a subject with knee athroplasty utilizing in-vivo implant data and computed tibio-femoral contact force for different pole walking conditions to evaluate the best possible configuration for guiding rehabilitation, correlated with different gait phases. Effect of gait speed variation on knee contact force, hip joint dynamics and muscle forces are simulated using the developed MSK model. Results indicate some interesting trend of load reduction, dependent on loading phases pertaining to different pole configuration. Insights gained from the simulation can aid in designing personalized rehabilitation therapy for subjects suffering from Osteoarthritis.
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Bakker NF, Schrijvers JC, van den Noort JC, Hall M, van der Krogt MM, Harlaar J, van der Esch M. A most painful knee does not induce interlimb differences in knee and hip moments during gait in patients with knee osteoarthritis. Clin Biomech (Bristol, Avon) 2021; 89:105455. [PMID: 34454328 DOI: 10.1016/j.clinbiomech.2021.105455] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 06/14/2021] [Accepted: 08/17/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Patients with knee osteoarthritis can adapt their gait to unload the most painful knee joint in order to try to reduce pain and improve physical function. However, these gait adaptations can cause higher loads on the contralateral joints. The aim of the study was to investigate the interlimb differences in knee and hip frontal plane moments during gait in patients with knee osteoarthritis and in healthy controls. METHODS Forty patients with knee osteoarthritis and 19 healthy matched controls were measured during comfortable treadmill walking. Frontal plane joint moments were obtained of both hip and knee joints. Differences in interlimb moments within each group were assessed using statistical parametric mapping and discrete gait parameters. FINDINGS No interlimb differences were observed in patients with knee osteoarthritis and control subjects at group level. Furthermore, the patients presented similar interlimb variability as the controls. In a small subgroup (n = 12) of patients, the moments in the most painful knee were lower than in the contralateral knee, while the other patients (n = 28) showed higher moments in the most painful knee compared to the contralateral knee. However, no interlimb differences in the hip moments were observed within the subgroups. INTERPRETATION Patients with knee osteoarthritis do not have interlimb differences in knee and hip joint moments. Patients and healthy subjects demonstrate a similar interlimb variability in the moments of the lower extremities. In this context, differences in knee pain in patients with knee osteoarthritis did not induce any interlimb differences in the frontal plane knee and hip moments.
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Affiliation(s)
- Nienke F Bakker
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands
| | - Jim C Schrijvers
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands
| | - Josien C van den Noort
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands; Amsterdam UMC, University of Amsterdam, Medical Imaging Quantification Center (MIQC), Department of Radiology and Nuclear Medicine, Amsterdam Movement Sciences, Meibergdreef 9, Amsterdam, the Netherlands
| | - Michelle Hall
- Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, The University of Melbourne, Melbourne, VIC, Australia
| | - Marjolein M van der Krogt
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands
| | - Jaap Harlaar
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands; Delft University of Technology, Department of Biomechanical Engineering, Delft, the Netherlands; Erasmus Medical Center, Department of Orthopedics, Rotterdam, the Netherlands
| | - Martin van der Esch
- Amsterdam Rehabilitation Research Center, Reade, Amsterdam, the Netherlands; Centre of Expertise Urban vitality, Center of Applied Research, Faculty of Health, Amsterdam University of Applied Sciences, Amsterdam, the Netherlands.
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Wada S, Murakami H, Tajima G, Maruyama M, Sugawara A, Oikawa S, Chida Y, Doita M. Analysis of characteristics required for gait evaluation of patients with knee osteoarthritis using a wireless accelerometer. Knee 2021; 32:37-45. [PMID: 34375906 DOI: 10.1016/j.knee.2021.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 05/12/2021] [Accepted: 07/09/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Knee osteoarthritis (KOA) is associated with reduced quality of life due to knee pain and gait disturbance. However, the evaluation of KOA is mainly based on images and patient-reported outcome measures (PROMs), which are said to be insufficient for functional evaluation. Recently, gait analysis using an accelerometer has been used for functional evaluation of KOA patients. Nevertheless, evaluation of the entire body motion is insufficient. The aim of this study was to clarify the gait characteristics of KOA patients using the distribution of scalar products and the interval time of heel contact during spontaneous walking and to compare them with healthy subjects. METHODS Participants wore a three-axis accelerometer sensor on the third lumbar vertebra and walked for 6 min on a flat path at a free walking speed. The sum of a composite vector (CV) scalar product and a histogram for distribution were used for body motion evaluation. The CV consisted of a synthesis of acceleration data from three axes. In addition to the summation of the CV, a histogram can be created to evaluate in detail the magnitude of the waves. The amount of variation was measured in the left-right and front-back directions. Variability was evaluated from the distribution of heel contact duration between both feet measured from the vertical acceleration. RESULTS KOA patients showed a smaller sum of CV that converged to small acceleration in the distribution when compared with healthy subjects. In the KOA group, the amount of variation in the forward and backward directions was greater than that in the forward direction. The variability of heel-ground interval time was greater in the KOA group than in healthy subjects. CONCLUSION KOA patients walked with less overall body movement, with limited movable range of the knee joint and pain-avoiding motion. The gait of the KOA group was considered unstable, with long time intervals between peaks. The increase in the amount of forward variation was thought to be due to the effect of trunk forward bending during walking. The clinical relevance of this study is that it was possible to evaluate KOA patients' gait quantitatively and qualitatively.
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Affiliation(s)
- Shuntaro Wada
- Department of Orthopedic Surgery, Iwate Medical University, 2-1-1 Odori, Yahaba, Japan
| | - Hideki Murakami
- Department of Orthopedic Surgery, Iwate Medical University, 2-1-1 Odori, Yahaba, Japan.
| | - Goro Tajima
- Department of Orthopedic Surgery, Iwate Medical University, 2-1-1 Odori, Yahaba, Japan
| | - Moritaka Maruyama
- Department of Orthopedic Surgery, Iwate Medical University, 2-1-1 Odori, Yahaba, Japan
| | - Atsushi Sugawara
- Department of Orthopedic Surgery, Iwate Medical University, 2-1-1 Odori, Yahaba, Japan
| | - Shinya Oikawa
- Department of Orthopedic Surgery, Iwate Medical University, 2-1-1 Odori, Yahaba, Japan
| | | | - Minoru Doita
- Department of Orthopedic Surgery, Iwate Medical University, 2-1-1 Odori, Yahaba, Japan
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Recent Injury, Severe Radiographic Change, and Lower Quadriceps Strength Increase Risk of Knee Pain Exacerbation During Walking: A Within-Person Knee-Matched Study. J Orthop Sports Phys Ther 2021; 51:298-304. [PMID: 33971732 DOI: 10.2519/jospt.2021.9735] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To examine the associations of knee injury, radiographic osteoarthritis severity, and quadriceps strength with knee pain exacerbation during walking. DESIGN Within-person knee-matched case-control study. METHODS Participants from the Osteoarthritis Initiative who completed a 20-m walking test at the 24-month visit were included. Pain exacerbation was defined as an increase in pain intensity of 1 or more on a numeric rating scale (0 as no pain and 10 as the worst imaginable pain) while completing the 20-m walking test. We used conditional logistic regression to assess the relation of recent knee injury, Kellgren-Lawrence (KL) grade, and quadriceps strength to unilateral knee pain exacerbation during walking. RESULTS We included 277 people who experienced unilateral knee pain exacerbation during the walking test. Recent knee injury was associated with pain exacerbation during walking, with an odds ratio of 3.4 (95% confidence interval [CI]: 1.3, 9.2). Compared with knees with a KL grade of 0, the odds ratios of pain exacerbation during walking were 1.3 (95% CI: 0.7, 2.7), 3.3 (95% CI: 1.5, 7.1), and 8.1 (95% CI: 3.1, 21.1) for knees with KL grades of 2, 3, and 4, respectively. Painful knees with a deficit in quadriceps strength of greater than or equal to 4% had a 1.4-fold (95% CI: 1.0, 1.9) higher risk of pain exacerbation during walking than their pain-free counterparts. CONCLUSION Recent knee injury, more severe radiographic osteoarthritis, and lower quadriceps strength were associated with an increased risk of knee pain exacerbation during walking. J Orthop Sports Phys Ther 2021;51(6):298-304. Epub 10 May 2021. doi:10.2519/jospt.2021.9735.
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Ismailidis P, Hegglin L, Egloff C, Pagenstert G, Kernen R, Eckardt A, Ilchmann T, Nüesch C, Mündermann A. Side to side kinematic gait differences within patients and spatiotemporal and kinematic gait differences between patients with severe knee osteoarthritis and controls measured with inertial sensors. Gait Posture 2021; 84:24-30. [PMID: 33260078 DOI: 10.1016/j.gaitpost.2020.11.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 11/11/2020] [Accepted: 11/13/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Kinematic changes associated with knee osteoarthritis (OA) have been traditionally measured with camera-based gait analysis. Lately, inertial sensors have become popular for gait analysis with the advantage of being less time consuming and not requiring a dedicated laboratory. RESEARCH QUESTION Do spatiotemporal and discrete kinematic gait parameters measured with the inertial sensor system RehaGait® differ between the affected and unaffected side in patients with unilateral knee OA and between patients with severe knee OA and asymptomatic control subjects? Do these differences have a similar magnitude as those reported in the literature? METHODS Twenty-two patients with unilateral knee OA scheduled for total knee replacement and 46 age matched control subjects were included in this study. Spatiotemporal parameters and sagittal kinematics at the hip, knee, and ankle joint were measured using the RehaGait® system while walking at a self-selected speed for a distance of 20 m and compared between groups. RESULTS Patients with knee OA had slower walking speed, longer stride duration, shorter stride length and lower cadence (P < 0.001). Peak knee flexion during stance and swing was lower in the affected than the unaffected leg (-4.8° and -6.1°; P < 0.01). Peak knee flexion during stance and swing (-5.2° and -8.8°; P < 0.01) and knee range of motion during loading response and swing (-3.6° and -4.4°; P < 0.01) were lower than in the control group. SIGNIFICANCE These side to side differences within patients and differences between patients with knee OA and control subjects agree with known gait alterations measured with camera-based systems. The RehaGait® inertial sensor system can detect gait alterations in patients with knee OA and is suitable for gait analysis in a clinical environment.
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Affiliation(s)
- Petros Ismailidis
- Department of Orthopaedics and Traumatology, University Hospital Basel, Basel, Switzerland; Department of Clinical Research, University of Basel, Basel, Switzerland; Department of Biomedical Engineering, University of Basel, Basel, Switzerland.
| | - Lea Hegglin
- Department of Orthopaedics and Traumatology, University Hospital Basel, Basel, Switzerland; Institute of Physiotherapy, Zurich University of Applied Sciences, Winterthur, Switzerland
| | - Christian Egloff
- Department of Orthopaedics and Traumatology, University Hospital Basel, Basel, Switzerland
| | - Geert Pagenstert
- Department of Clinical Research, University of Basel, Basel, Switzerland; CLARAHOF Clinic of Orthopaedic Surgery, Clarahofweg 19a, 4058 Basel, Switzerland
| | - Rolf Kernen
- Clinic for Orthopaedics Claraortho, Claragraben 82, 4058 Basel, Switzerland
| | - Anke Eckardt
- ENDO-Team Hirslanden Klinik Birshof, Reinacherstrasse 28, 4142 Münchenstein, Switzerland
| | - Thomas Ilchmann
- ENDO-Team Hirslanden Klinik Birshof, Reinacherstrasse 28, 4142 Münchenstein, Switzerland
| | - Corina Nüesch
- Department of Orthopaedics and Traumatology, University Hospital Basel, Basel, Switzerland; Department of Clinical Research, University of Basel, Basel, Switzerland; Department of Biomedical Engineering, University of Basel, Basel, Switzerland; Department of Spine Surgery, University Hospital Basel, Basel, Switzerland
| | - Annegret Mündermann
- Department of Orthopaedics and Traumatology, University Hospital Basel, Basel, Switzerland; Department of Clinical Research, University of Basel, Basel, Switzerland; Department of Biomedical Engineering, University of Basel, Basel, Switzerland; Department of Spine Surgery, University Hospital Basel, Basel, Switzerland
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Kowal M, Winiarski S, Gieysztor E, Kołcz A, Walewicz K, Borowicz W, Rutkowska-Kucharska A, Paprocka-Borowicz M. Symmetry function in gait pattern analysis in patients after unilateral transfemoral amputation using a mechanical or microprocessor prosthetic knee. J Neuroeng Rehabil 2021; 18:9. [PMID: 33468184 PMCID: PMC7816420 DOI: 10.1186/s12984-021-00810-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 01/11/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Above-knee amputations (AKAs) contribute to gait asymmetry. The level of asymmetry is affected by the type of knee prosthetic module. There is limited evidence suggesting that more technically advanced solutions (microprocessor modules; MicPK) are superior to less advanced ones (mechanical modules; MechPK). The study aimed to evaluate the variable range of hip and pelvic joint movements during gait and look for differentiating areas with an increased level of asymmetry of the gait cycle in individuals who underwent an AKA and are equipped with MicPK or MechPK. METHODS Twenty-eight individuals participated in the study; 14 were assigned to a study group of individuals who underwent a unilateral AKA, and the other 14 were healthy participants as a control group. The movement task was recorded using the optoelectronic SMART-E system following the standard Davis protocol (the Newington model). A new method of quantifying gait symmetry using the symmetry function (SF) is proposed. SF is an integral measure of absolute differences in time-standardized signals between sides throughout the whole cycle of motion variability. RESULTS In the frontal plane, there were significant differences between groups in the asymmetry of the range of movement in the hip joint of the intact limb. In the middle of the support phase, the intact limb was more adducted in individuals with MicPK and less abducted in people with MechPK (differences in mean 180%, p < 0.000; max 63%, p < 0.000; min 65%, p < 0.000). In the sagittal plane, the range of asymmetry of the flexion and thigh extension of the intact limb was similar to and only slightly different from the physiological gait. In the transverse plane, higher asymmetry values were noted for individuals with MicPK. In the final stage of the swing phase, the thigh was more rotated both externally and internally. The size of the asymmetry, when compared to gait of healthy individuals, reached 50% (differences in mean 115%, p < 0.232; max 62% p < 0.26; min 50, p < 0.154). CONCLUSIONS In the study group, the assessed ranges of pelvic and thigh movement in the hip joint differed only in the frontal plane. Individuals who underwent a unilateral above-knee amputation may gain less from using MicPK than anticipated.
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Affiliation(s)
- Mateusz Kowal
- Department of Physiotherapy, Wroclaw Medical University, Grunwaldzka 2, 50-355 Wroclaw, Poland
| | - Sławomir Winiarski
- Department of Biomechanics, University School of Physical Education in Wroclaw, Wroclaw, Poland
| | - Ewa Gieysztor
- Department of Physiotherapy, Wroclaw Medical University, Grunwaldzka 2, 50-355 Wroclaw, Poland
| | - Anna Kołcz
- Department of Physiotherapy, Wroclaw Medical University, Grunwaldzka 2, 50-355 Wroclaw, Poland
- Laboratory of Ergonomics and Biomedical Monitoring, Wroclaw Medical University, Wroclaw, Poland
| | | | - Wojciech Borowicz
- Department of Nervous System Diseases, Wroclaw Medical University, Wroclaw, Poland
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Iijima H, Inoue M, Suzuki Y, Shimoura K, Aoyama T, Madoba K, Takahashi M. Contralateral Limb Effect on Gait Asymmetry and Ipsilateral Pain in a Patient with Knee Osteoarthritis: A Proof-of-Concept Case Report. JBJS Case Connect 2021; 10:e0418. [PMID: 32044778 DOI: 10.2106/jbjs.cc.19.00418] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
CASE A 77-year-old woman with knee osteoarthritis (OA) complained of right (ipsilateral) knee pain for more than 5 years with gait asymmetry. The OA and quadriceps muscle weakness were more severe in the left (contralateral) knee, but she had no pain. Bracing of the left knee led to decreased gait asymmetry, as determined with an inertial measurement unit, and reduced pain in the right knee. CONCLUSION This case highlights the contralateral knee effect on ipsilateral chronic knee pain, possibly through gait asymmetry. These findings provide a mechanistic insight into knee OA-related pain in patients with gait asymmetry and suggest a new rehabilitative approach.
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Affiliation(s)
- Hirotaka Iijima
- Department of System Design Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan.,Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Japan Society for the Promotion of Science, Tokyo, Japan
| | - Mami Inoue
- Department of Rehabilitation, Kyoto Hakuaikai Hospital, Kyoto, Japan
| | - Yusuke Suzuki
- Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kanako Shimoura
- Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tomoki Aoyama
- Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Katsuyuki Madoba
- Department of Physical Therapy, Faculty of Social Work Studies, Josai International University, Chiba, Japan
| | - Masaki Takahashi
- Department of System Design Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan
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18
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Changes in hip mechanics during gait modification to reduce knee abduction moment. J Biomech 2020; 99:109509. [DOI: 10.1016/j.jbiomech.2019.109509] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 11/11/2019] [Accepted: 11/12/2019] [Indexed: 11/23/2022]
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Kawaji H, Kojima S. Effect of altered sagittal-plane knee kinematics on loading during the early stance phase of gait. Gait Posture 2019; 74:108-113. [PMID: 31499404 DOI: 10.1016/j.gaitpost.2019.08.021] [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] [Received: 03/02/2019] [Revised: 07/18/2019] [Accepted: 08/27/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND Individuals with knee osteoarthritis (OA) show various dynamic sagittal-plane changes during the early stance phase of gait. However, the effect of these kinematic alterations on knee load during the early stance remains poorly understood. RESEARCH QUESTION The purpose of this study was to examine the effect of altered sagittal- plane knee kinematics on knee load during the early stance. METHODS A total of 13 healthy adult men underwent gait analysis trials using four conditions (baseline and three altered conditions). The three altered conditions were defined as follows: 1) Less flexion (LF): a gait that decreased knee flexion excursion (KFE) owing to a reduced peak knee flexion angle compared to baseline. 2) Initial flexion (IF): a gait with decreased KFE owing to an increased knee flexion angle at initial contact, during which the peak knee flexion angle did not differ from baseline. 3) Flexion gait (FG): a gait that increased the knee flexion angle at initial contact but did not reduce KFE compared with the baseline. Data analyzed included peak external knee flexion moment (KFM), KFM impulse (impulse was an integral value from initial contact to peak value), peak vertical ground reaction force (VGRF), and maximum loading rate. RESULTS Both LF and IF conditions significantly decreased peak VGRF (p < 0.05) compared with the baseline. Peak KFM decreased in the LF condition and increased in the FG condition versus baseline (p < 0.05). A significantly increased KFM impulse was found in both IF and FG conditions when compared with baseline (p < 0.05). SIGNIFICANCE An increase in knee flexion angle during early stance increased knee loading. Interventions are likely required for improving excessive knee flexion during early stance phase of gait in individuals with knee OA.
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Affiliation(s)
- Hayato Kawaji
- Graduate School of Rehabilitation Sciences, Health Sciences University of Hokkaido, 1757 Kanazawa, Tobetsu-cho, Ishikari-gun, Hokkaido 061-0293, Japan.
| | - Satoru Kojima
- Department of Physical Therapy, School of Rehabilitation Sciences, Health Sciences University of Hokkaido, 1757 Kanazawa, Tobetsu-cho, Ishikari-gun, Hokkaido 061-0293, Japan.
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Iijima H, Eguchi R, Shimoura K, Aoyama T, Takahashi M. Stair climbing ability in patients with early knee osteoarthritis: Defining the clinical hallmarks of early disease. Gait Posture 2019; 72:148-153. [PMID: 31202024 DOI: 10.1016/j.gaitpost.2019.06.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 06/01/2019] [Accepted: 06/04/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND A growing clinical interest has been shown towards identifying knee osteoarthritis (OA) patients at earlier stages. The early detection of knee OA may allow for more effective interventions. RESEARCH QUESTION The aim of this study was to determine the discriminative ability of a stair-climb test (SCT) in identifying patients with early knee OA, and to determine if descending stair time during the SCT is better than ascending stair time for the identification of these patients. METHODS This study was a secondary, cross-sectional analysis of baseline data from a randomized controlled trial. Adults with moderate to severe knee pain were enrolled (n = 57; mean age 58.9 years; 71.9% women). Each participant performed an 11-step SCT (11-SCT) while wearing shoes with a pressure sensor insole. A receiver operating characteristic analysis was used to examine the discriminative power of 11-SCT for identifying early knee OA (Kellgren and Lawrence grade 1). The discriminative power was also compared between the ascending and descending 11-SCT time as evaluated by the pressure sensor. RESULTS The 11-SCT time in patients with early knee OA was 0.55 s longer than that in those with symptomatic non-radiographic OA. A one-second increase in the 11-SCT time was significantly associated with 1.9-fold increased odds of early knee OA being present. The 11-SCT value with the best balance of sensitivity and specificity for identifying early knee OA was 8.33 s (area under the curve: 0.711). The descending time was not significantly better than the ascending time for identifying early knee OA. SIGNIFICANCE This study determined the time values of an 11-SCT that may be useful for identifying early knee OA patients. These preliminary findings may serve as the foundation for future studies investigating the clinical hallmarks associated with early knee OA.
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Affiliation(s)
- Hirotaka Iijima
- Department of System Design Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan; Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Japan Society for the Promotion of Science, Tokyo, Japan; Department of Physical Medicine and Rehabilitation, University of Pittsburgh, United States; McGowan Institute for Regenerative Medicine, University of Pittsburgh, United States.
| | - Ryo Eguchi
- School of Science for Open and Environmental Systems, Graduate School of Science and Technology, Keio University, Yokohama, Japan.
| | - Kanako Shimoura
- Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - Tomoki Aoyama
- Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - Masaki Takahashi
- Department of System Design Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan.
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Iijima H, Suzuki Y, Aoyama T, Takahashi M. Relationship Between Varus Thrust During Gait and Low Back Pain in Individuals With Knee Osteoarthritis. Arthritis Care Res (Hoboken) 2019; 72:1231-1238. [PMID: 31254449 DOI: 10.1002/acr.24020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 06/25/2019] [Indexed: 11/06/2022]
Abstract
OBJECTIVE To test the hypothesis that varus thrust visualized during gait is associated with a higher prevalence of low back pain (LBP) in individuals with knee osteoarthritis (OA). METHODS Individuals with knee OA (Kellgren/Lawrence grade ≥1) underwent a gait observation to assess varus thrust. The participants identified LBP and its severity using questionnaires. Logistic regression analyses were performed to examine the association between varus thrust and LBP. RESULTS We included 205 participants (mean age 68.19 years; 72.20% women). A total of 45 participants (22.0%) showed varus thrust in their painful knee, in whom 31 (68.89%) and 18 (40.00%) were identified as having any LBP and moderate-to-severe LBP (numerical rating scale ≥4 points), respectively. Patients with varus thrust demonstrated a 3.6-fold higher risk of the presence of moderate-to-severe LBP (95% confidence interval [95% CI] 1.62-8.10). In patients with LBP, the presence of varus thrust was associated with more severe LBP intensity (proportional odds ratio 2.25 [95% CI 1.02-4.96]). CONCLUSION This study highlights the novel relationship between varus thrust and LBP, which supports the idea of a biomechanical link, the so-called knee-spine syndrome. These findings provide new insight for clarifying the pathogenesis of LBP related to knee OA.
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Affiliation(s)
- Hirotaka Iijima
- Keio University, Yokohama, Japan, Kyoto University, Kyoto, Japan, Japan Society for the Promotion of Science, Tokyo, Japan, and University of Pittsburgh, Pittsburgh, Pennsylvania
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Larose G, Fuentes A, Lavoie F, Aissaoui R, de Guise J, Hagemeister N. Can total knee arthroplasty restore the correlation between radiographic mechanical axis angle and dynamic coronal plane alignment during gait? Knee 2019; 26:586-594. [PMID: 31047797 DOI: 10.1016/j.knee.2019.02.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 01/10/2019] [Accepted: 02/22/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND Total knee arthroplasty (TKA) is the treatment of choice for end-stage knee osteoarthritis. Postoperative static knee alignment has been recognized as a key component of successful surgery. A correction toward the kinematics of a native knee is expected after TKA, with an aim for neutral mechanical alignment. The evolution of frontal plane knee kinematics is not well understood. METHODS Nineteen patients awaiting TKA were recruited. Three-dimensional knee kinematics during treadmill gait were assessed pre-operatively, 12 months after surgery, and compared to a control group of 17 asymptomatic participants. RESULTS Mean radiographic mechanical alignment was corrected from 5.4° ± 5.0 (Standard Deviation) varus pre-operatively to 0.1° ± 2.0 (Standard Deviation) valgus postoperatively (P = 0.002). Mean stance coronal plane alignment decreased from 6.7° ± 4.0 (Standard Deviation) varus per-operatively to 2.1° ± 3.8 (Standard Deviation) postoperatively (P = 0.001). Correlation between radiographic mechanical axis angle and dynamic frontal plane alignment during gait, before and after surgery, was weak (pre-operative R = 0.41; postoperative R = 0.13) compared to control (R = 0.88). In the sagittal plane, TKA patients maintained their pre-operative stiff knee gait adaptation. Postoperative transverse plane kinematics suggested restoration of external tibial rotation during swing after TKA compared to control (Pre-operative 3.1°, postoperative 6.8°, control 7.1°, P = 0.05). CONCLUSION The lack of correlation between static and dynamic alignment suggests that static radiographic coronal alignment of the knee does not accurately predict dynamic behavior. In the sagittal plane, pre-operative gait adaptations were still present 12 months after surgery, supporting the need for a functional assessment to guide postoperative rehabilitation following TKA.
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Affiliation(s)
- Gabriel Larose
- Université de Montréal, Montréal, Québec, Canada; Laboratoire de recherche en imagerie et orthopédie (LIO), École de technologie supérieure, Centre de recherche du CHUM, Tour Viger, Montréal, Québec, Canada.
| | - Alexandre Fuentes
- Laboratoire de recherche en imagerie et orthopédie (LIO), École de technologie supérieure, Centre de recherche du CHUM, Tour Viger, Montréal, Québec, Canada
| | - Frederic Lavoie
- Université de Montréal, Montréal, Québec, Canada; Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Rachid Aissaoui
- Laboratoire de recherche en imagerie et orthopédie (LIO), École de technologie supérieure, Centre de recherche du CHUM, Tour Viger, Montréal, Québec, Canada; École de technologie supérieure, Montréal, Québec, Canada
| | - Jacques de Guise
- Laboratoire de recherche en imagerie et orthopédie (LIO), École de technologie supérieure, Centre de recherche du CHUM, Tour Viger, Montréal, Québec, Canada; École de technologie supérieure, Montréal, Québec, Canada
| | - Nicola Hagemeister
- Laboratoire de recherche en imagerie et orthopédie (LIO), École de technologie supérieure, Centre de recherche du CHUM, Tour Viger, Montréal, Québec, Canada; École de technologie supérieure, Montréal, Québec, Canada
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Iijima H, Eguchi R, Aoyama T, Takahashi M. Trunk movement asymmetry associated with pain, disability, and quadriceps strength asymmetry in individuals with knee osteoarthritis: a cross-sectional study. Osteoarthritis Cartilage 2019; 27:248-256. [PMID: 30445222 DOI: 10.1016/j.joca.2018.10.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 10/05/2018] [Accepted: 10/29/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE This study examined 1) the clinical relevance of trunk movement asymmetry, which was evaluated using a trunk-mounted inertial measurement unit (IMU), and 2) the relationship between trunk movement asymmetry and lower limb muscle strength asymmetry in individuals with knee osteoarthritis (OA). DESIGN One-hundred-thirty-one participants (mean age, 74.2 years; 71.8% female; Kellgren and Lawrence [K&L] grade ≥1) underwent gait analysis at their preferred pace for IMU-based measurement of trunk movement asymmetry (harmonic ratio [HR] and improved HR). The isometric strength of quadriceps and hip abductors was evaluated using a hand-held dynamometer. Pain and disability level were evaluated using a validated self-reported questionnaire. Multiple regression analyses with covariate adjustment were performed to examine the relationship between trunk movement asymmetry (independent variable) and pain, disability level, or muscle strength asymmetry (dependent variables). RESULTS Individuals with severe knee OA (K&L grade ≥3) had increased trunk movement asymmetry in the medio-lateral axis compared to those with a K&L grade of 1. Increased trunk movement asymmetry was associated with a greater knee pain and disability. The increased trunk movement asymmetry was significantly associated with an increase in the asymmetry of quadriceps strength, but not with asymmetry in the strength of hip abductor. CONCLUSION Our findings indicate that increased medio-lateral trunk movement asymmetry may be an indicator of impairment, rather than adaptation, in individuals with knee OA. This preliminary finding warrants validation by future study. Paying close attention to medio-lateral trunk movement asymmetry may be key to our understanding of OA-related pain and disability.
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Affiliation(s)
- H Iijima
- Department of System Design Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan; Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Japan Society for the Promotion of Science, Tokyo, Japan.
| | - R Eguchi
- School of Science for Open and Environmental Systems, Graduate School of Science and Technology, Keio University, Yokohama, Japan.
| | - T Aoyama
- Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - M Takahashi
- Department of System Design Engineering, Faculty of Science and Technology, Keio University, Yokohama, Japan.
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Parween R, Shriram D, Mohan RE, Lee YHD, Subburaj K. Methods for evaluating effects of unloader knee braces on joint health: a review. Biomed Eng Lett 2019; 9:153-168. [PMID: 31168421 DOI: 10.1007/s13534-019-00094-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 12/13/2018] [Accepted: 01/08/2019] [Indexed: 02/01/2023] Open
Abstract
The paper aims to provide a state-of-the-art review of methods for evaluating the effectiveness and effect of unloader knee braces on the knee joint and discuss their limitations and future directions. Unloader braces are prescribed as a non-pharmacological conservative treatment option for patients with medial knee osteoarthritis to provide relief in terms of pain reduction, returning to regular physical activities, and enhancing the quality of life. Methods used to evaluate and monitor the effectiveness of these devices on patients' health are categorized into three broad categories (perception-, biochemical-, and morphology-based), depending upon the process and tools used. The main focus of these methods is on the short-term clinical outcome (pain or unloading efficiency). There is a significant technical, research, and clinical literature gap in understanding the short- and long-term consequences of these braces on the tissues in the knee joint, including the cartilage and ligaments. Future research directions may complement existing methods with advanced quantitative imaging (morphological, biochemical, and molecular) and numerical simulation are discussed as they offer potential in assessing long-term and post-bracing effects on the knee joint.
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Affiliation(s)
- Rizuwana Parween
- 1Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore, 487372 Singapore
| | - Duraisamy Shriram
- 1Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore, 487372 Singapore
| | - Rajesh Elara Mohan
- 1Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore, 487372 Singapore
| | - Yee Han Dave Lee
- 2Changi General Hospital, 2 Simei Street 3, Singapore, 529889 Singapore
| | - Karupppasamy Subburaj
- 1Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore, 487372 Singapore
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Bączkowicz D, Skiba G, Czerner M, Majorczyk E. Gait and functional status analysis before and after total knee arthroplasty. Knee 2018; 25:888-896. [PMID: 29941283 DOI: 10.1016/j.knee.2018.06.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 04/12/2018] [Accepted: 06/04/2018] [Indexed: 02/02/2023]
Abstract
BACKGROUND Among the procedures for severe gonarthrosis, total knee arthroplasty (TKA) is considered a successful method patient satisfaction and functional improvement; however, TKA is commonly associated with incompletely recovered gait function. The aim of this study was to evaluate the influence of TKA and physiotherapy programmes on gait features and patient-reported functional status and the relationship between them, leading to broader knowledge of the origins of long-term gait disturbances. METHODS Walking speed, step length and single support time were analysed by GAITRite system in 60 healthy controls and 21 TKA patients analysed at four time points: one day before and five days after surgery and before and after a three-week rehabilitation (12 and 15 weeks after surgery). Functional status was assessed using the Western Ontario and McMaster Osteoarthritis Index (WOMAC). RESULTS At all time points, the TKA subjects walked significantly slower than the controls, but walking speed continuously increased after surgery. Gait asymmetries were observed in single support time (before surgery) and step length (after surgery). Partial restoration of gait function was observed 12 weeks after surgery and completion of the rehabilitation programme. An indirect correlation between gait velocity and function WOMAC subscores was found. CONCLUSIONS Patients after TKA were characterised by significant improvements in self-reported functionality and progressive reduction of gait abnormalities, probably related to pain reduction. However, at 15 weeks after surgery, patients exhibited step length asymmetry, which could be considered as an effect of habits of three-point crutch gait in the early postoperative period.
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Affiliation(s)
- Dawid Bączkowicz
- Institute of Physiotherapy, Faculty of Physical Education and Physiotherapy, Opole University of Technology, 76 Prószkowska Street, 45-758 Opole, Poland
| | - Grzegorz Skiba
- Opole Rehabilitation Centre, 26 Wyzwolenia Street, 48-317 Korfantów, Poland
| | - Marek Czerner
- Opole Rehabilitation Centre, 26 Wyzwolenia Street, 48-317 Korfantów, Poland
| | - Edyta Majorczyk
- Institute of Physiotherapy, Faculty of Physical Education and Physiotherapy, Opole University of Technology, 76 Prószkowska Street, 45-758 Opole, Poland; Laboratory of Immunogenetics and Tissue Immunology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 12 Rudolfa Weigla Street, 53-114 Wrocław, Poland.
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Predicting knee osteoarthritis risk in injured populations. Clin Biomech (Bristol, Avon) 2017; 47:87-95. [PMID: 28618311 PMCID: PMC5544598 DOI: 10.1016/j.clinbiomech.2017.06.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Revised: 02/04/2017] [Accepted: 06/05/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND Individuals who suffered a lower limb injury have an increased risk of developing knee osteoarthritis. Early diagnosis of osteoarthritis and the ability to track its progression is challenging. This study aimed to explore links between self-reported knee osteoarthritis outcome scores and biomechanical gait parameters, whether self-reported outcome scores could predict gait abnormalities characteristic of knee osteoarthritis in injured populations and, whether scores and biomechanical outcomes were related to osteoarthritis severity via Spearman's correlation coefficient. METHODS A cross-sectional study was conducted with asymptomatic participants, participants with lower-limb injury and those with medial knee osteoarthritis. Spearman rank determined relationships between knee injury and outcome scores and hip and knee kinetic/kinematic gait parameters. K-Nearest Neighbour algorithm was used to determine which of the evaluated parameters created the strongest classifier model. FINDINGS Differences in outcome scores were evident between groups, with knee quality of life correlated to first and second peak external knee adduction moment (0.47, 0.55). Combining hip and knee kinetics with quality of life outcome produced the strongest classifier (1.00) with the least prediction error (0.02), enabling classification of injured subjects gait as characteristic of either asymptomatic or knee osteoarthritis subjects. When correlating outcome scores and biomechanical outcomes with osteoarthritis severity only maximum external hip and knee abduction moment (0.62, 0.62) in addition to first peak hip adduction moment (0.47) displayed significant correlations. INTERPRETATION The use of predictive models could enable clinicians to identify individuals at risk of knee osteoarthritis and be a cost-effective method for osteoarthritis screening.
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Metcalfe AJ, Stewart CJ, Postans NJ, Biggs PR, Whatling GM, Holt CA, Roberts AP. Abnormal loading and functional deficits are present in both limbs before and after unilateral knee arthroplasty. Gait Posture 2017; 55:109-115. [PMID: 28437757 PMCID: PMC5450932 DOI: 10.1016/j.gaitpost.2017.04.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 01/23/2017] [Accepted: 04/03/2017] [Indexed: 02/02/2023]
Abstract
Unilateral knee replacement is often followed by a contralateral replacement in time and the biomechanics of the other knee before and after knee replacement remains poorly understood. The aim of this paper is to distinguish the features of arthritic gait in the affected and unaffected legs relative to a normal population and to assess the objective recovery of gait function post-operatively, with the aim of defining patients at risk of poor post-operative function. Twenty patients with severe knee OA but no pain or deformity in any other lower limb joint were compared to twenty healthy subjects of the same age. Gait analysis was performed and quadriceps and hamstrings co-contraction was measured. Fifteen subjects returned 1year following knee arthroplasty. Moments and impulses were calculated, principal component analysis was used to analyse the waveforms and a classification technique (the Cardiff Classifier) was used to select the most discriminant data and define functional performance. Comparing pre-operative function to healthy function, classification accuracies for the affected and unaffected knees were 95% and 92.5% respectively. Post-operatively, the affected limb returned to the normal half of the classifier in 8 patients, and 7 of those patients returned to normal function in the unaffected limb. Recovery of normal gait could be correctly predicted 13 out of 15 times at the affected knee, and 12 out of 15 times at the unaffected knee based on pre-operative gait function. Focused rehabilitation prior to surgery may be beneficial to optimise outcomes and protect the other joints following knee arthroplasty.
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Affiliation(s)
- A J Metcalfe
- Warwick Medical School, The University of Warwick, United Kingdom.
| | - C J Stewart
- The Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, United Kingdom; The Institute for Science and Technology in Medicine, Keele University, United Kingdom
| | - N J Postans
- The Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, United Kingdom
| | - P R Biggs
- The Arthritis Research UK Biomechanics and Bioengineering Centre, Cardiff School of Engineering, Cardiff University, United Kingdom
| | - G M Whatling
- The Arthritis Research UK Biomechanics and Bioengineering Centre, Cardiff School of Engineering, Cardiff University, United Kingdom
| | - C A Holt
- The Arthritis Research UK Biomechanics and Bioengineering Centre, Cardiff School of Engineering, Cardiff University, United Kingdom
| | - A P Roberts
- The Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, United Kingdom
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How do rocker-soled shoes influence the knee adduction moment in people with knee osteoarthritis? An analysis of biomechanical mechanisms. J Biomech 2017; 57:62-68. [DOI: 10.1016/j.jbiomech.2017.03.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 02/02/2017] [Accepted: 03/31/2017] [Indexed: 11/20/2022]
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Magalhães CMBD, Kirkwood RN. Strategies to reduce joint load in the medial compartment of the knee during gait in individuals with osteoarthritis: a review of the literature. FISIOTERAPIA EM MOVIMENTO 2016. [DOI: 10.1590/1980-5918.029.004.ao20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Abstract Introduction: Increased joint load on the medial compartment of the knee during gait is a mechanical factor responsible for pain and progression of medial knee osteoarthritis. The knee external adductor moment of force is a kinetic parameter that correlates with the joint load in the medial compartment. Objective: The aim of this study was to conduct a narrative review of the biomechanics strategies during gait of individuals with medial knee osteoarthritis that reduce external adductor moment of force of the knee. Methods: The review of the literature was conducted in the databases MEDLINE, PUBMED and PEDro and included articles published between 2000 and 2011. It was selected transversal, theoretical, correlational and longitudinal studies as well as controlled clinical trials. Results: Decreased gait velocity, increased external rotation of the foot, increased internal abductor moment force of the hip and lateral trunk inclination to the side of the support limb are compensatory strategies used to reduce the external adductor moment of force of the knee during gait of individuals with medial knee osteoarthritis. The lateral trunk inclination may be beneficial in a short term, however it decreases the activity of the abductors muscles of the hip during the support phase of the gait favoring compensation that could result in the progression of medial knee osteoarthritis. Conclusion: Strengthening of the abductors muscles of the hip reduces pain, improves the function and prevents compensations that in a long term could possibly accelerate the progression of the medial knee osteoarthritis.
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Messier SP, Beavers DP, Herman C, Hunter DJ, DeVita P. Are unilateral and bilateral knee osteoarthritis patients unique subsets of knee osteoarthritis? A biomechanical perspective. Osteoarthritis Cartilage 2016; 24:807-13. [PMID: 26706699 PMCID: PMC4838498 DOI: 10.1016/j.joca.2015.12.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Revised: 11/19/2015] [Accepted: 12/03/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To compare the gait of adults with unilateral and bilateral symptomatic and radiographic knee osteoarthritis (OA) to determine whether these subgroups can be treated similarly in the clinic and when recruiting for randomized clinical trials, and to use these data to generate future hypotheses regarding gait in these subsets of knee OA patients. METHODS Cross-sectional investigation of patients with unilateral and bilateral knee OA on gait mechanics using 136 older adults (age ≥55 yrs; 27 kg m(-2) ≥ BMI ≤ 41 kg m(-2); 82% female) with radiographic knee OA. Comparisons were made between the most affected side of the bilateral group (Bi) and the affected side of the unilateral group (Uni), and between symmetry indices of each group. RESULTS There were no significant differences in any temporal, kinematic, or kinetic measures between the Uni and Bi cohorts. Comparison of symmetry indices between groups also revealed no significant differences. CONCLUSION The similarity in lower extremity mechanics between unilateral and bilateral knee OA patients is sufficiently robust to consider both subsets as a single cohort. We hypothesize that biomechanical adaptations to knee OA are at least partially systemic in origin and not based solely on the physiological characteristics of an affected knee joint.
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Affiliation(s)
- Stephen P. Messier
- Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, USA,Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA,Department of Rheumatology and Immunology, Wake Forest School of Medicine, Winston-Salem, NC
| | - Daniel P. Beavers
- Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Cassandra Herman
- Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, USA
| | - David J. Hunter
- Rheumatology Department, Royal North Shore Hospital and Institute of Bone and Joint Research, Kolling Institute, University of Sydney, Sydney, Australia
| | - Paul DeVita
- Department of Kinesiology, East Carolina University, Greenville, NC, USA
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Steadman JR, Briggs KK, Pomeroy SM, Wijdicks CA. Current state of unloading braces for knee osteoarthritis. Knee Surg Sports Traumatol Arthrosc 2016; 24:42-50. [PMID: 25236680 DOI: 10.1007/s00167-014-3305-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Accepted: 09/03/2014] [Indexed: 11/30/2022]
Abstract
PURPOSE Unicompartmental knee osteoarthritis (OA) is often treated with the prescription of an unloading knee brace to decrease pain and stiffness. Braces have been shown to improve the quality of life by applying an external moment to offset increased compressive tibiofemoral contact loads, but evidence regarding mechanical efficacy at the joint is controversial. Thus, the purpose of this study was to review the current state of unloading braces on knee mechanics, clinical impact, and long-term disease progression. METHODS A literature search was performed through the PubMed MEDLINE database for the search terms "osteoarthritis," "knee," "brace," and derivatives of the keyword "unload." Articles published since January 1, 1980 were reviewed for their relevance. Evidence for the effectiveness of unloading braces for disease management both biomechanically and clinically was considered. RESULTS While significant research has been done to show improvement in OA symptoms with the use of an unloading brace, current literature suggests a debate regarding the effectiveness of these braces for biomechanical change. Clinical findings reveal overall improvements in parameters such as pain, instability, and quality of life. CONCLUSION Although clinical evidence supports brace use to improve pain and functional ability, current biomechanical evidence suggests that unloading of the affected knee compartment does not significantly hinder disease progression. LEVEL OF EVIDENCE III.
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Affiliation(s)
- J Richard Steadman
- Center for Outcomes-based Orthopaedic Research, Steadman Philippon Research Institute, 181 W. Meadow Drive, Suite 1000, Vail, CO, 81657, USA
| | - Karen K Briggs
- Center for Outcomes-based Orthopaedic Research, Steadman Philippon Research Institute, 181 W. Meadow Drive, Suite 1000, Vail, CO, 81657, USA.
| | - Shannon M Pomeroy
- Center for Outcomes-based Orthopaedic Research, Steadman Philippon Research Institute, 181 W. Meadow Drive, Suite 1000, Vail, CO, 81657, USA
| | - Coen A Wijdicks
- Center for Outcomes-based Orthopaedic Research, Steadman Philippon Research Institute, 181 W. Meadow Drive, Suite 1000, Vail, CO, 81657, USA
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Biomechanics of Lower Limbs during Walking among Candidates for Total Knee Arthroplasty with and without Low Back Pain. BIOMED RESEARCH INTERNATIONAL 2015; 2015:142562. [PMID: 26171387 PMCID: PMC4480238 DOI: 10.1155/2015/142562] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 05/02/2015] [Accepted: 05/20/2015] [Indexed: 12/01/2022]
Abstract
The effect of joint pathologies, such as unilateral knee osteoarthritis (UKOA) or low back pain (LBP), on bilateral gait symmetry has gained increased attention during the past decade. This study is the first to compare gait patterns between patients with UKOA and LBP in combination and with UKOA only. Temporal, kinematic, and kinetic variables were measured bilaterally during gait stance phase in 31 subjects with UKOA and LBP (Group I) and 11 subjects with only UKOA (Group II). Group I patients exhibited less hip rotation in the affected limb (A) than in the nonaffected (NA) limb during walking in contrast to Group II patients. Group I patients had minimal bilateral differences in hip abduction and flexion, but Group II patients displayed significantly larger values in the NA limb compared to the A limb for both parameters. Hip flexion patterns were significantly different between Groups I and II. Subjects in both groups adapted gait patterns that minimized vertical ground reaction force, knee flexion motion, and stance time on the UKOA affected limb. The distinct kinematic gait patterns that were revealed in this study may provide clinical value for assessment of patients with UKOA in conjunction with LBP.
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Altered gait characteristics in individuals with knee osteoarthritis and self-reported knee instability. J Orthop Sports Phys Ther 2015; 45:351-9. [PMID: 25808531 PMCID: PMC6196716 DOI: 10.2519/jospt.2015.5540] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
STUDY DESIGN Experimental laboratory study. OBJECTIVE To characterize the differences in lower extremity gait biomechanics in individuals who have knee osteoarthritis (OA) with and without self-reported knee instability. BACKGROUND Individuals with knee OA who experience episodes of knee instability often report gait difficulties that interfere with their daily lives. A better understanding of the alterations in gait biomechanics may help to mitigate symptomatic knee instability in this patient population. METHODS Seventeen participants with knee OA and self-reported knee instability and 36 participants with knee OA and no self-reported knee instability underwent instrumented gait analysis on level ground. Knee-specific symptoms and functional limitations were assessed using the Western Ontario and McMaster Universities Osteoarthritis Index. RESULTS Knee instability was associated with greater odds of reporting moderate to severe gait-related pain (odds ratio = 6.0; 95% confidence interval: 1.2, 28.9) and moderate to severe difficulty when walking on flat surfaces (odds ratio = 10.7; 95% confidence interval: 1.7, 69.2). During early stance, the group with self-reported knee instability walked with a greater knee flexion excursion (P = .02) and a smaller lower extremity support moment (P<.01), due to reduced contributions from the hip extensors (P<.01) and ankle plantar flexors (P = .04). The group with self-reported knee instability also walked with a greater knee extensor contribution to the lower extremity support moment (P = .04) during the initial knee extension phase of gait compared to their counterparts with good knee stability. CONCLUSION These findings suggest that self-reported knee instability is associated with significant alterations in hip, knee, and ankle joint function during the stance phase of gait in individuals with knee OA.
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Tang ACW, Tang SFT, Hong WH, Chen HC. Kinetics features changes before and after intra-articular hyaluronic acid injections in patients with knee osteoarthritis. Clin Neurol Neurosurg 2015; 129 Suppl 1:S21-6. [DOI: 10.1016/s0303-8467(15)30007-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Farrokhi S, Voycheck CA, Klatt BA, Gustafson JA, Tashman S, Fitzgerald GK. Altered tibiofemoral joint contact mechanics and kinematics in patients with knee osteoarthritis and episodic complaints of joint instability. Clin Biomech (Bristol, Avon) 2014; 29:629-35. [PMID: 24856791 PMCID: PMC4111962 DOI: 10.1016/j.clinbiomech.2014.04.014] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 04/15/2014] [Accepted: 04/22/2014] [Indexed: 02/07/2023]
Abstract
BACKGROUND To evaluate knee joint contact mechanics and kinematics during the loading response phase of downhill gait in knee osteoarthritis patients with self-reported instability. METHODS Forty-three subjects, 11 with medial compartment knee osteoarthritis and self-reported instability (unstable), 7 with medial compartment knee osteoarthritis but no reports of instability (stable), and 25 without knee osteoarthritis or instability (control) underwent Dynamic Stereo X-ray analysis during a downhill gait task on a treadmill. FINDINGS The medial compartment contact point excursions were longer in the unstable group compared to the stable (P=0.046) and the control groups (P=0.016). The peak medial compartment contact point velocity was also greater for the unstable group compared to the stable (P=0.047) and control groups (P=0.022). Additionally, the unstable group demonstrated a coupled movement pattern of knee extension and external rotation after heel contact which was different than the coupled motion of knee flexion and internal rotation demonstrated by stable and control groups. INTERPRETATION Our findings suggest that knee joint contact mechanics and kinematics are altered during the loading response phase of downhill gait in knee osteoarthritis patients with self-reported instability. The observed longer medial compartment contact point excursions and higher velocities represent objective signs of mechanical instability that may place the arthritic knee joint at increased risk for disease progression. Further research is indicated to explore the clinical relevance of altered contact mechanics and kinematics during other common daily activities and to assess the efficacy of rehabilitation programs to improve altered joint biomechanics in knee osteoarthritis patients with self-reported instability.
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Affiliation(s)
- Shawn Farrokhi
- Assistant Professor & Co-director of Human Movement Research Laboratory, Departments of Physical Therapy & Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Carrie A. Voycheck
- Posdoctoral Fellow, Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Brian A. Klatt
- Assistant Professor of Orthopaedic Surgery, Department of Orthopaedic Surgery, University of Pittsburgh, PA, USA
| | - Jonathan A. Gustafson
- Doctoral Student, Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Scott Tashman
- Associate Professor & Director of Biodynamics Laboratory, Department of Orthopaedic Surgery, Department of Bioengineering, University of Pittsburgh, PA, USA
| | - G. Kelley Fitzgerald
- Professor, Department of Physical Therapy, Director, Physical Therapy Clinical and Translational Research Center, University of Pittsburgh, Pittsburgh, PA, USA
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Bytyqi D, Shabani B, Lustig S, Cheze L, Karahoda Gjurgjeala N, Neyret P. Gait knee kinematic alterations in medial osteoarthritis: three dimensional assessment. INTERNATIONAL ORTHOPAEDICS 2014; 38:1191-8. [PMID: 24619388 DOI: 10.1007/s00264-014-2312-3] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2013] [Accepted: 02/21/2014] [Indexed: 12/11/2022]
Abstract
PURPOSE Although kinematic changes in the sagittal plane of the osteoarthritic knee (OA) have been elucidated, very few studies have analysed changes in the frontal and horizontal planes. Therefore, the aim of this study was to investigate in vivo 3D knee kinematics during walking in patients wth knee OA. METHODS Thirty patients with medial knee OA and a control group of similarly aged individuals were prospectively collected for this study. All participants were assessed with KneeKG(TM) system while walking on a treadmill at a self-selected speed. In each trial, we calculated the angular displacment of flexion/extension, abduction/adduction and external/internal tibial rotation. Statistical analysis was performed to determine differences between the knee OA group and the control group. RESULTS Patients with knee OA had reduced extension during the stance phase (p < 0.05; 8.5° and 4.4°, OA and control group, respectively) and reduced flexion during pushoff and initial swing phase (p < 0.05; 41.9° and 49.4°, respectively). Adduction angle was consistently greater for OA patients (p < 0.05; 3.4° and -0.9°, respectively). Frontal laxity for OA patients was positively correlated with varus deformity (r = 0.42, p < 0.05). There was a significant difference (p) < 0.05 in tibial rotation during the midstance phase; OA patients retained a neutral position (-0.4°), while the control group presented internal tibial rotation (-2.2°). CONCLUSION Weight-bearing kinematics in medial OA knees differs from that of normal knees. The knee OA group showed an altered "screw-home" mechanism by decreased excursion in sagittal and axial tibial rotation and posterior tibial translation.
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Mills K, Hettinga BA, Pohl MB, Ferber R. Between-Limb Kinematic Asymmetry During Gait in Unilateral and Bilateral Mild to Moderate Knee Osteoarthritis. Arch Phys Med Rehabil 2013; 94:2241-7. [DOI: 10.1016/j.apmr.2013.05.010] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Revised: 05/13/2013] [Accepted: 05/14/2013] [Indexed: 10/26/2022]
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Increased hip internal abduction moment and reduced speed are the gait strategies used by women with knee osteoarthritis. J Electromyogr Kinesiol 2013; 23:1243-9. [PMID: 23871653 DOI: 10.1016/j.jelekin.2013.05.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2013] [Revised: 04/04/2013] [Accepted: 05/04/2013] [Indexed: 01/14/2023] Open
Abstract
The purpose of this study was to identify the gait strategies in women with mild and moderate knee osteoarthritis (OA). Forty women diagnosed with OA of the knee and 40 healthy women participated in the study. Toe-out progression angle, trunk lateral lean, hip internal abduction moment and gait speed were measured using Qualisys ProReflex System and two force plates. Principal component analysis was applied to extract features from the gait waveforms data that characterized the waveforms main modes of temporal variation. Discriminant analysis with a stepwise model was conducted to determine which strategies could best discriminate groups. According to the discriminant model, the PC2 of the internal abduction moment of the hip and the gait speed were the most discriminatory variables between the groups. The OA group showed decreased gait speed, decreased hip internal abduction moment during the loading response phase, and increased hip internal abduction moment during the mid and terminal stance phases. Interventions that may increase hip internal abduction moment, such as the strengthening of the hip abductors muscles, may benefit women with knee OA. Training slower than normal gait speeds must be considered in light of potential adverse implications on overall physical function, daily tasks, and safety.
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Metcalfe AJ, Stewart C, Postans N, Dodds AL, Holt CA, Roberts AP. The effect of osteoarthritis of the knee on the biomechanics of other joints in the lower limbs. Bone Joint J 2013; 95-B:348-53. [DOI: 10.1302/0301-620x.95b3.30850] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The aim of this study was to examine the loading of the other joints of the lower limb in patients with unilateral osteoarthritis (OA) of the knee. We recruited 20 patients with no other symptoms or deformity in the lower limbs from a consecutive cohort of patients awaiting knee replacement. Gait analysis and electromyographic recordings were performed to determine moments at both knees and hips, and contraction patterns in the medial and lateral quadriceps and hamstrings bilaterally. The speed of gait was reduced in the group with OA compared with the controls, but there were only minor differences in stance times between the limbs. Patients with OA of the knee had significant increases in adduction moment impulse at both knees and the contralateral hip (adjusted p-values: affected knee: p < 0.01, unaffected knee p = 0.048, contralateral hip p = 0.03), and significantly increased muscular co-contraction bilaterally compared with controls (all comparisons for co-contraction, p < 0.01). The other major weight-bearing joints are at risk from abnormal biomechanics in patients with unilateral OA of the knee. Cite this article: Bone Joint J 2013;95-B:348–53.
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Affiliation(s)
- A. J. Metcalfe
- Betsi Cadwaladr University Health Board, North
Wales LL57 2PW, UK
| | - C. Stewart
- The Robert Jones and Agnes Hunt Orthopaedic
Hospital, Orthotic Research and Locomotor
Assessment Unit, Oswestry, Shropshire
SY10 7AG, UK
| | - N. Postans
- The Robert Jones and Agnes Hunt Orthopaedic
Hospital, Orthotic Research and Locomotor
Assessment Unit, Oswestry, Shropshire
SY10 7AG, UK
| | - A. L. Dodds
- Betsi Cadwaladr University Health Board, North
Wales LL57 2PW, UK
| | - C. A. Holt
- Cardiff University, School
of Engineering, Cardiff CF24 3AA, UK
| | - A. P. Roberts
- The Robert Jones and Agnes Hunt Orthopaedic
Hospital, Orthotic Research and Locomotor
Assessment Unit, Oswestry, Shropshire
SY10 7AG, UK
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McGinnis K, Snyder-Mackler L, Flowers P, Zeni J. Dynamic joint stiffness and co-contraction in subjects after total knee arthroplasty. Clin Biomech (Bristol, Avon) 2013; 28:205-10. [PMID: 23219062 PMCID: PMC3604158 DOI: 10.1016/j.clinbiomech.2012.11.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2012] [Revised: 11/09/2012] [Accepted: 11/13/2012] [Indexed: 02/07/2023]
Abstract
BACKGROUND Although total knee arthroplasty reduces pain and improves function, patients continue to walk with asymmetrical movement patterns, that may affect muscle activation and joint loading patterns. The purpose of this study was to evaluate the specific biomechanical abnormalities that persist after total knee arthroplasty and examine the neuromuscular mechanisms that may contribute to these asymmetries. METHODS Dynamic joint stiffness at the hip, knee and ankle, as well as co-contraction at the knee and ankle, were compared between the operated and non-operated limbs of 32 subjects who underwent total knee arthroplasty and 21 subjects without lower extremity impairment. FINDINGS Subjects after total knee arthroplasty demonstrated higher dynamic joint stiffness in the operated knee compared to the non-operated knee (0.056 (0.023) Nm/kg/m/deg vs. 0.043 (0.016) Nm/kg/m/deg, P=0.003) and the knees from a control group without lower extremity pathology (controls: 0.042 (0.015) Nm/kg/m/deg, P=0.017). No differences were found between limbs or groups for dynamic joint stiffness at the hip or ankle. There was no relationship between dynamic joint stiffness at the knee and ankle and the amount of co-contraction between antagonistic muscles at those joints. INTERPRETATION Patients after total knee arthroplasty walk with less knee joint excursion and greater knee stiffness, although no differences were found between groups for stiffness at the hip or ankle. Mechanisms other than co-contraction are likely the underlying cause of the altered knee mechanics. These findings are clinically relevant because the goal should be to create interventions to reduce these abnormalities and increase function.
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Affiliation(s)
- Kevin McGinnis
- University of Delaware, Newark, DE 19717, USA. Correspondence address: Shriners Hospitals for Children 1645 West 8th St. Erie, PA 16505, USA
| | - Lynn Snyder-Mackler
- University of Delaware, Newark, DE 19717, USA. Correspondence address: 301 McKinly Laboratory Newark, DE 19717, USA
| | - Portia Flowers
- University of Delaware, Newark, DE 19717, USA. Correspondence address: 301 McKinly Laboratory Newark, DE 19717, USA
| | - Joseph Zeni
- University of Delaware, Newark, DE 19717, USA. Correspondence address: 301 McKinly Laboratory Newark, DE 19717, USA
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Baert IAC, Jonkers I, Staes F, Luyten FP, Truijen S, Verschueren SMP. Gait characteristics and lower limb muscle strength in women with early and established knee osteoarthritis. Clin Biomech (Bristol, Avon) 2013; 28:40-7. [PMID: 23159192 DOI: 10.1016/j.clinbiomech.2012.10.007] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2012] [Revised: 10/19/2012] [Accepted: 10/22/2012] [Indexed: 02/06/2023]
Abstract
BACKGROUND Based on novel classification criteria using magnetic resonance imaging, a subpopulation of "early knee osteoarthritis patients" was clearly defined recently. This study assessed whether these early osteoarthritis patients already exhibit gait adaptations (knee joint loading in particular) and changes in muscle strength compared to control subjects and established knee osteoarthritis patients. METHODS Fourteen female patients with early knee joint degeneration, defined by magnetic resonance imaging (early osteoarthritis), 12 female patients with established osteoarthritis and 14 female control subjects participated. Specific gait parameters and lower limb muscle strength were analyzed and compared between groups. Within the osteoarthritis groups, association between muscle strength and dynamic knee joint loading was also evaluated. FINDINGS Early osteoarthritis patients presented no altered gait pattern, no significant increase in knee joint loading and no significant decrease in hamstring muscle strength compared to controls, while established osteoarthritis patients did. In contrast, early osteoarthritis patients experienced significant quadriceps weakness, comparable to established osteoarthritis patients. Within the osteoarthritis groups, muscle strength was not correlated with knee joint loading during gait. INTERPRETATION The results suggest that gait changes reflect mechanical overload and are most likely the consequence of structural degeneration in knee osteoarthritis. Quadriceps weakness might however contribute to the onset and progression of the disease. This study supports the relevance of classification of early osteoarthritis patients and assists in identifying their functional characteristics. This helps to understand the trajectory of disease onset and progression and further develop more targeted strategies for prevention and treatment of knee osteoarthritis.
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Affiliation(s)
- Isabel A C Baert
- Department of Rehabilitation Sciences, Faculty of Kinesiology and Rehabilitation Sciences, KU Leuven, Tervuursevest 101, Heverlee, Belgium
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Nicolella DP, O'Connor MI, Enoka RM, Boyan BD, Hart DA, Resnick E, Berkley KJ, Sluka KA, Kwoh CK, Tosi LL, Coutts RD, Havill LM, Kohrt WM. Mechanical contributors to sex differences in idiopathic knee osteoarthritis. Biol Sex Differ 2012; 3:28. [PMID: 23259740 PMCID: PMC3560206 DOI: 10.1186/2042-6410-3-28] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2012] [Accepted: 12/10/2012] [Indexed: 11/29/2022] Open
Abstract
The occurrence of knee osteoarthritis (OA) increases with age and is more common in women compared with men, especially after the age of 50 years. Recent work suggests that contact stress in the knee cartilage is a significant predictor of the risk for developing knee OA. Significant gaps in knowledge remain, however, as to how changes in musculoskeletal traits disturb the normal mechanical environment of the knee and contribute to sex differences in the initiation and progression of idiopathic knee OA. To illustrate this knowledge deficit, we summarize what is known about the influence of limb alignment, muscle function, and obesity on sex differences in knee OA. Observational data suggest that limb alignment can predict the development of radiographic signs of knee OA, potentially due to increased stresses and strains within the joint. However, these data do not indicate how limb alignment could contribute to sex differences in either the development or worsening of knee OA. Similarly, the strength of the knee extensor muscles is compromised in women who develop radiographic and symptomatic signs of knee OA, but the extent to which the decline in muscle function precedes the development of the disease is uncertain. Even less is known about how changes in muscle function might contribute to the worsening of knee OA. Conversely, obesity is a stronger predictor of developing knee OA symptoms in women than in men. The influence of obesity on developing knee OA symptoms is not associated with deviation in limb alignment, but BMI predicts the worsening of the symptoms only in individuals with neutral and valgus (knock-kneed) knees. It is more likely, however, that obesity modulates OA through a combination of systemic effects, particularly an increase in inflammatory cytokines, and mechanical factors within the joint. The absence of strong associations of these surrogate measures of the mechanical environment in the knee joint with sex differences in the development and progression of knee OA suggests that a more multifactorial and integrative approach in the study of this disease is needed. We identify gaps in knowledge related to mechanical influences on the sex differences in knee OA.
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Affiliation(s)
- Daniel P Nicolella
- Isis Research Network on Musculoskeletal Health, Society for Women's Health Research, Washington, DC, 20036, USA.
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The effect of walking poles on the knee adduction moment in patients with varus gonarthrosis. Osteoarthritis Cartilage 2012; 20:1500-6. [PMID: 22944522 DOI: 10.1016/j.joca.2012.08.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2012] [Revised: 07/09/2012] [Accepted: 08/22/2012] [Indexed: 02/02/2023]
Abstract
OBJECTIVES (1) Test the hypothesis that walking poles decrease the external knee adduction moment during gait in patients with varus gonarthrosis, and (2) explore potential mechanisms. DESIGN Thirty-four patients with medial compartment knee osteoarthritis (OA) and varus alignment underwent three dimensional (3D) gait analysis with and without using walking poles. Conditions were randomized and walking speed was maintained ±5% of the self-selected speed of the initial condition. The pole held in the hand of the unaffected side was instrumented with a compression load cell. RESULTS Student's t tests for paired samples indicated small but statistically significant increases (P < 0.001) in knee adduction moment (calculated from inverse dynamics) for its first peak, second peak and angular impulse when using the poles; mean increases (95% confidence interval - CI) were 0.17%BW*Ht (0.08, 0.27), 0.17%BW*Ht (0.04, 0.30) and 0.15%BW*Ht*s (0.09, 0.22), respectively. There was a decrease (P = 0.015) in vertical ground reaction force (-0.02 BW (-0.04, -0.01)), yet increase (P < 0.001) in its frontal plane lever arm about the knee (0.30 cm (0.15, 0.44)), at the time of the first peak knee adduction moment. Pole force in the vertical direction was inversely related (r = -0.34, P = 0.05) to the increase in first peak adduction moment. CONCLUSION Although results are variable among patients, and may be related to individual technique, these overall findings suggest that walking poles do not decrease knee adduction moments, and therefore likely do not decrease medial compartment loads, in patients with varus gonarthrosis. Decreases in knee joint loading should not be used as rationale for walking pole use in these patients.
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Association between in vivo knee kinematics during gait and the severity of knee osteoarthritis. Knee 2012; 19:628-32. [PMID: 22192889 DOI: 10.1016/j.knee.2011.11.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2011] [Revised: 11/04/2011] [Accepted: 11/21/2011] [Indexed: 02/02/2023]
Abstract
BACKGROUND Osteoarthritis patients may exhibit different kinematics according to the disease stage. However, changes in the frontal and horizontal planes in each stage remain unclear. The purpose of this study was to investigate changes in the knee kinematic gait variables of osteoarthritis patients, including the frontal and horizontal planes, with respect to the severity of the disease. METHODS Forty-five patients with knee osteoarthritis and 13 healthy young subjects were recruited for the experiment. All subjects were examined while walking on a 10-m walkway at a self-selected speed. In each trial, we calculated the angular displacements of flexion/extension, abduction/adduction, and external/internal tibial rotation. We also measured muscle strength, range of motion (ROM), and alignment. We compared the differences in osteoarthritis severity and knee kinematic variables between osteoarthritis patients and normal subjects. RESULTS The flexion angle at the time of foot contact was significantly less in patients with severe and moderate osteoarthritis than in normal subjects (both p<0.01). The abduction angle at the 50% stance phase was significantly less in patients with severe osteoarthritis than in normal subjects (p<0.05). The excursion of axial tibial rotation was significantly less in patients with early osteoarthritis than in normal subjects (p<0.05). CONCLUSION Osteoarthritis patients had different knee kinematics during gait, depending on the progress of osteoarthritis. Early-stage patients exhibit decreased axial tibial rotation excursion, while severe-stage patient exhibit increased knee adduction.
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Simic M, Hunt MA, Bennell KL, Hinman RS, Wrigley TV. Trunk lean gait modification and knee joint load in people with medial knee osteoarthritis: The effect of varying trunk lean angles. Arthritis Care Res (Hoboken) 2012; 64:1545-53. [DOI: 10.1002/acr.21724] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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The effect of hip bracing on gait in patients with medial knee osteoarthritis. ARTHRITIS 2012; 2012:240376. [PMID: 22888422 PMCID: PMC3410309 DOI: 10.1155/2012/240376] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2012] [Accepted: 04/19/2012] [Indexed: 11/18/2022]
Abstract
Objective. Impaired hip motion has been associated with heightened medial knee joint loading in patients with knee osteoarthritis (OA). A hip external rotation strap designed to pull the femur into external rotation and abduction may serve as one protective mechanism. The primary aim of our study is to determine if the strap decreases medial knee joint loading during level walking in people with knee OA. Design. This study is a single-day repeated measures design. Methods. 15 volunteers with medial knee OA underwent motion analysis data collection during two randomly assigned walking conditions: (1) wearing the strap and (2) control (no strap). Primary outcome measures were peak pelvis, hip and knee joint motions, and torques. These outcomes were averaged across five trials for each condition. Results. Hip abduction (P < 0.01), trunk lean towards the stance limb (P = 0.04) and pelvic tilt (P = 0.02) significantly increased with the strap versus control trials. Knee adduction loading did not significantly change with the strap (P = 0.33). Conclusion. The use of the hip external rotation strap resulted in angular changes at the hip and pelvis which may be beneficial for patients with medial knee osteoarthritis.
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Bechard DJ, Birmingham TB, Zecevic AA, Jones IC, Giffin JR, Jenkyn TR. Toe-out, lateral trunk lean, and pelvic obliquity during prolonged walking in patients with medial compartment knee osteoarthritis and healthy controls. Arthritis Care Res (Hoboken) 2012; 64:525-32. [PMID: 22213740 DOI: 10.1002/acr.21584] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
OBJECTIVE To compare the time-varying behavior of maximum toe-out angle, lateral trunk lean (over the stance leg), and pelvic obliquity (rise and drop on the swing leg) during prolonged walking in participants with and without medial compartment knee osteoarthritis (OA), and to explore correlations between these gait characteristics and pain. METHODS Twenty patients with knee OA and 20 healthy controls completed 30 minutes of treadmill walking. Toe-out, trunk lean, pelvic obliquity, and pain were measured at 5-minute intervals. RESULTS The mean ± SD toe-out angle was significantly smaller (P = 0.04) in patients with knee OA (6.7 ± 2.5 degrees) than in controls (10.3 ± 2.2 degrees). Toe-out changed significantly over time (P = 0.002), but not in a systematic way, and there was no interaction between group and time. The mean ± SD trunk lean was higher (P = 0.03) in patients with knee OA (2.0 ± 1.0 degrees) than in controls (0.7 ± 0.5 degrees). Trunk lean did not change over time and there was no interaction between group and time. There were no differences for pelvic drop. The mean ± SD pelvic rise was higher (P = 0.01) in patients with knee OA (2.8 ± 0.9 degrees) than in controls (1.2 ± 0.8 degrees), but did not change over time and there was no interaction. Patients experienced a small increase in pain (P < 0.001). Trunk lean and pelvic drop were correlated with pain (r = 0.49, P = 0.03 and r = 0.47, P = 0.04, respectively). CONCLUSION Toe-out and trunk lean are consistently different between individuals with and without medial compartment knee OA during prolonged walking, and patients with greater pain have greater trunk lean. However, over 30 minutes of walking, these gait characteristics remain quite stable, suggesting they are not acute compensatory mechanisms in response to repetitive loading with subtle increases in pain.
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Creaby MW, Bennell KL, Hunt MA. Gait Differs Between Unilateral and Bilateral Knee Osteoarthritis. Arch Phys Med Rehabil 2012; 93:822-7. [DOI: 10.1016/j.apmr.2011.11.029] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2011] [Revised: 11/15/2011] [Accepted: 11/16/2011] [Indexed: 11/29/2022]
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Change in knee cartilage volume in individuals completing a therapeutic exercise program for knee osteoarthritis. J Orthop Sports Phys Ther 2011; 41:708-22. [PMID: 21891881 PMCID: PMC3383656 DOI: 10.2519/jospt.2011.3633] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
STUDY DESIGN Prospective cohort study. OBJECTIVES To characterize knee cartilage change in individuals with knee osteoarthritis (KOA) who have completed a therapeutic exercise program. BACKGROUND While therapeutic exercise is frequently used successfully to improve pain and function in individuals with KOA, no studies have reported the volume of cartilage change or individual factors that may impact volume of cartilage change in those completing an exercise program for KOA. METHODS Thirteen individuals with KOA underwent magnetic resonance imaging to quantify cartilage volume change in the weight-bearing regions of the medial and lateral femoral condyles and the entire surface of the tibial plateaus from baseline to 1-year follow-up. Body structure and function measures were taken for body mass index, knee axis alignment, knee motion, and knee strength. Activity limitations and activity levels were also measured prior to the therapeutic exercise program, using the Western Ontario and McMaster Universities Osteoarthritis Index and the Physical Activity Scale for the Elderly. At 6 months from baseline, follow-up clinical measurements of knee strength and motion were performed. At 1 year from baseline, imaging of the knee cartilage and knee alignment were performed, and participants completed the Western Ontario and McMaster Universities Osteoarthritis Index and Physical Activity Scale for the Elderly. RESULTS The central region of the medial femoral condyle (cMF) had a median volume of cartilage loss of 3.8%. The other 3 knee tibiofemoral articular surfaces had minimal median cartilage volume change. Individuals were dichotomized into progressors (n = 6) and nonprogressors (n = 7), based on the standard error of measurement of cartilage volume change for the cMF. Progressors were younger, had a larger body mass index, had a higher Kellgren-Lawrence grade in the medial compartment of the knee, and had a greater increase in knee varus alignment from baseline to 1-year follow-up. The progressors also had frontal plane hip and knee kinetics during baseline gait analysis that potentially increased medial knee joint loading. CONCLUSION The loss of cMF cartilage volume was highly variable and the median loss of cartilage was within the range previously reported. Seven of the 13 individuals did not have cMF cartilage volume loss greater than the standard error of measurement. Change in cartilage volume of the cMF may be influenced to a greater extent by personal factors than by completion of a therapeutic exercise program. Additional research is needed to decipher the interactions among therapeutic exercise and personal characteristics that impact knee cartilage loss.
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Toriyama M, Deie M, Shimada N, Otani T, Shidahara H, Maejima H, Moriyama H, Shibuya H, Okuhara A, Ochi M. Effects of unloading bracing on knee and hip joints for patients with medial compartment knee osteoarthritis. Clin Biomech (Bristol, Avon) 2011; 26:497-503. [PMID: 21324572 DOI: 10.1016/j.clinbiomech.2011.01.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2010] [Revised: 01/13/2011] [Accepted: 01/13/2011] [Indexed: 02/07/2023]
Abstract
BACKGROUND Osteoarthritis affects the whole body, thus biomechanical effects on other joints should be considered. Unloading knee braces could be effective for knee osteoarthritis, but their effects on the contralateral knee and bilateral hip joints remain unknown. This study investigated the effects of bracing on the kinematics and kinetics of involved and contralateral joints during gait. METHODS Nineteen patients with medial compartment knee osteoarthritis were analysed. Kinematics and kinetics of the knee and hip joints in frontal and sagittal planes were measured during walking without and with bracing on the more symptomatic knee. FINDINGS The ipsilateral hip in the braced condition showed a lower adduction angle by an average of 2.58° (range, 1.05°-4.16°) during 1%-49% of the stance phase, and a lower abduction moment at the second peak during the stance phase than the hip in the unbraced condition (P<0.05 and P<0.005, respectively). With bracing, the contralateral hip showed a more marked peak extension moment and lower abduction moment at the first peak (P<0.05), and the contralateral knee adduction angle increased by an average of 0.32° (range, 0.21°-0.45°) during 46%-55% of the stance phase (P<0.05), compared to no bracing. INTERPRETATION Unloading bracing modified the contralateral knee adduction angle pattern at a specific time point during gait. It also affected the frontal plane on the ipsilateral hip and the frontal and sagittal planes on the contralateral hip joint. Consideration should be provided to other joints when treating knee osteoarthritis.
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Affiliation(s)
- Minoru Toriyama
- Graduate School of Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, Japan
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