Background: The external knee adduction moment (EKAM) is closely associated with the presence, progression, and severity of knee osteoarthritis (OA). However, there is a lack of convenient and practical method to estimate and track in real-time the EKAM of patients with knee OA for clinical evaluation and gait training, especially outside of gait laboratories. New method: A real-time EKAM estimation method was developed and applied to track and investigate the EKAM and other knee moments during stepping on an elliptical trainer in both healthy subjects and a patient with knee OA. Results: Substantial changes were observed in the EKAM and other knee moments during stepping in the patient with knee OA. Comparison with existing method(s): This is the first study to develop and test feasibility of real-time tracking method of the EKAM on patients with knee OA using 3-D inverse dynamics. Conclusions: The study provides us an accurate and practical method to evaluate in real-time the critical EKAM associated with knee OA, which is expected to help us to diagnose and evaluate patients with knee OA and provide the patients with real-time EKAM feedback rehabilitation training. © 2013 Elsevier B.V.
CITATION STYLE
S.H., K., S.J., L., & L.-Q., Z. (2014). Real-time tracking of knee adduction moment in patients with knee osteoarthritis. Journal of Neuroscience Methods, 231, 9–17. Retrieved from http://www.embase.com/search/results?subaction=viewrecord&from=export&id=L52939068 http://dx.doi.org/10.1016/j.jneumeth.2013.12.001
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