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http://dx.doi.org/10.7736/KSPE.2012.29.2.239

Biomechanical Effect on Knee Adduction Moment by Lateral Wedge Insole in Transfemoral Amputee  

Chang, Yun-Hee (Korea Orthopedics and Rehabilitation Engineering Center)
Lee, Wan-Hee (Department of Physical Therapy, Sahmyook Univ.)
Publication Information
Journal of the Korean Society for Precision Engineering / v.29, no.2, 2012 , pp. 239-244 More about this Journal
Abstract
The prevalence of knee osteoarthritis was higher people with lower limb amputation. This was identified that transfemoral amputees have a greater external knee adduction moment than ablebodied subjects by biomechanical studies. Therefore, they need rehabilitative intervention for prevention and reduction of knee osteoarthritis. The purpose of this study was to determine the effect of lateral wedge insole used in the treatment of knee osteoarthritis. This study was participated in fourteen unilateral transfemoral amputees and we were analyzed the difference gait variables between without lateral wedge insole and with $5^{\circ}$ and $10^{\circ}$ lateral wedge insole during gait. Our results showed that step length ratio was more symmetrical and, hip adduction and ankle inversion angle were more close to normal value, and knee adduction moment was decreased as the wedge angle increases. We proposed that these data would be utilized conservative treatment of knee osteoarthritis in lower limb amputees.
Keywords
Knee Osteoarthritis; Transfemoral Amputee; External Knee Adduction Moment; Lateral Wedge Insole;
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