Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Biomechanical Effect on Knee Adduction Moment by Lateral Wedge Insole in Transfemoral Amputee

외측웨지인솔이 대퇴절단자의 무릎내전모멘트에 미치는 영향

  • Chang, Yun-Hee (Korea Orthopedics and Rehabilitation Engineering Center) ;
  • Lee, Wan-Hee (Department of Physical Therapy, Sahmyook Univ.)
  • Received : 2011.10.18
  • Accepted : 2011.10.31
  • Published : 2012.02.01
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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.

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References

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