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Gender differences in gait kinematics for patients with knee osteoarthritis

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Author
Phinyomark, Angkoon
Osis, Sean
Hettinga, Blayne
Kobsar, Dylan
Ferber, Reed
Accessioned
2016-04-22T14:41:59Z
Available
2016-04-22T14:41:59Z
Issued
2016-04-01
Subject
Gait
Biomechanics
Kinematics
Knee
Osteoarthritis
Sex differences
Principal component analysis
Support vector machine
Type
journal article
Metadata
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Abstract
Background: Females have a two-fold risk of developing knee osteoarthritis (OA) as compared to their male counterparts and atypical walking gait biomechanics are also considered a factor in the aetiology of knee OA. However, few studies have investigated sex-related differences in walking mechanics for patients with knee OA and of those, conflicting results have been reported. Therefore, this study was designed to examine the differences in gait kinematics (1) between male and female subjects with and without knee OA and (2) between healthy gender-matched subjects as compared with their OA counterparts. Methods: One hundred subjects with knee OA (45 males and 55 females) and 43 healthy subjects (18 males and 25 females) participated in this study. Three-dimensional kinematic data were collected during treadmill-walking and analysed using (1) a traditional approach based on discrete variables and (2) a machine learning approach based on principal component analysis (PCA) and support vector machine (SVM) using waveform data. Results: OA and healthy females exhibited significantly greater knee abduction and hip adduction angles compared to their male counterparts. No significant differences were found in any discrete gait kinematic variable between OA and healthy subjects in either the male or female group. Using PCA and SVM approaches, classification accuracies of 98–100 % were found between gender groups as well as between OA groups. Conclusions: These results suggest that care should be taken to account for gender when investigating the biomechanical aetiology of knee OA and that gender-specific analysis and rehabilitation protocols should be developed.
Refereed
Yes
Sponsorship
Funding for this research was provided by Alberta Innovates: Health Solutions (AIHS) Team Osteoarthritis (grant no. 200700596) along with the CIHR Fellowship (grant no. MFE-140882), the AIHS Postgraduate Fellowship (grant no. 201400464), and the Banting Postdoctoral Fellowship Research Allowance provided by the Office of the Vice-President (Research), the University of Calgary. The funders had no role in the study design, collection, analysis and interpretation of data; in the writing of the manuscript; and in the decision to submit the manuscript for publication.
Citation
BMC Musculoskelet Disord. 2016 Apr 12;17(1):157. doi: 10.1186/s12891-016-1013-z.
Faculty
Kinesiology
Institution
University of Calgary
Publisher
BMC Musculoskeletal Disorders
Doi
http://dx.doi.org/10.11575/PRISM/29056
Uri
http://hdl.handle.net/1880/51155
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  • Kinesiology Research & Publications

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