ギプスの種類、ギプスヒールの位置が足底圧に与える影響

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  • The unloading effects of the patellar tendon bearing cast and the below-the-knee cast
  • ギプス ノ シュルイ 、 ギプスヒール ノ イチ ガ ソクテイアツ ニ アタエル エイキョウ

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<p>  We examined the unloading effects of patellar tendon bearing (PTB) cast in ten junior college students with no gait disturbances or deformities in their lower extremities. We measured the maximum load applied to plantar aspect of the right foot at rear and front parts in a cast using the force sensors. The unloading effects of the PTB cast and a below-the-knee cast were compared using two-way repeated-measures analysis of variance, with the length of cast (below-the knee, PTB with 30°knee flexion and PTB with 60°knee flexion) and the type of the cast heel (at the levels of the navicular bone, calcaneus bone, and no heel), both of which were intra-subject factors. In each experiment, seven cycles of steady gait were repeated three times on flat indoor surfaces, with all subjects wearing nine types of lower limb casts. </p><p>  We found that maximum load on rear foot was significantly larger in PTB 60°in the no-heel condition, but there was no significant maximum load differences between the PTB cast (both 30°and 60°) and the below-the-knee cast in either cast heel position (navicular bone and calcaneus bone). Maximum loading on front foot sole was significantly larger in PTB 60°than in PTB 30°and below-the-knee casts in either cast heel position; however, there were no significant maximum load differences between the PTB30°and below-the-knee casts. These results suggest that the 30°of knee flexion and navicular heel position were recommended when PTB cast was applied, but the unloading effects of PTB cast were similar to below-the-knee cast.</p>

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