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손량희(Ryanghee Sohn),최희석(Heuseok Choi),조승관(Seungkwan Cho),김한성(Hansung Kim),김영호(Youngho Kim) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
We were performed the three dimensional motion analysis for the 'Arthritis Knee Brace(AKB)' which has widening effects on the knee joint condylar separation. The knee joint condylar separations were measured at 1.807㎜(lateral), 0.474㎜(center) and 2. 172㎜(medial) by the fluoroscopy. Finite elememt method result in condylar stress decrease at 3.951㎫ in femur and 4.556㎫ in tibia. However, three dimensional gait analysis showed that all three lower joints(hip, knee ankle) were more flexed during AKB walking, and ground reaction force was larger in AKB walking just before the push-off. In the future, the joint moment and power as well as the electromyogram have to be analyzed to find the biomechanical disadvantage of AKB.