足下垂夹板可改善 Charcot-Marie-Tooth 病患者在行走过程中近端和远端腿部的控制。
Foot drop splints improve proximal as well as distal leg control during gait in Charcot-Marie-Tooth disease.
机构信息
School of Rehabilitation Sciences, St George's University of London and Kingston University, Cranmer Terrace, SW17 ORE United Kingdom.
出版信息
Muscle Nerve. 2012 Oct;46(4):512-9. doi: 10.1002/mus.23348.
INTRODUCTION
During walking, people with Charcot-Marie-Tooth (CMT) disease may compensate for distal weakness by using proximal muscles. We investigated the effect of different AFOs on distal leg control and proximal compensatory actions.
METHODS
Fourteen people with CMT were tested while wearing 3 types of ankle-foot orthosis (AFO) bilaterally compared with shoes alone. Walking was assessed using three-dimensional gait analysis. Stiffness of the splints was measured by applying controlled 5-degree ankle stretches using a motor.
RESULTS
The results showed that each AFO significantly stiffened the ankle and increased ankle dorsiflexion at foot clearance compared with shoes alone. At push off, peak ankle power generation was reduced, but only with 1 type of AFO. A significant decrease in hip flexion amplitude during the swing phase was observed with all 3 AFOs.
CONCLUSIONS
These results indicate that AFOs reduce foot drop and remove the need for some proximal compensatory action.
简介
在行走过程中，Charcot-Marie-Tooth（CMT）病患者可能会通过使用近端肌肉来代偿远端肌肉无力。我们研究了不同的踝足矫形器（AFO）对远端腿部控制和近端代偿作用的影响。
方法
14 名 CMT 患者接受了双侧三种类型的踝足矫形器（AFO）和单独鞋子的测试。使用三维步态分析评估行走。通过使用电机施加受控的 5 度踝关节拉伸来测量夹板的刚度。
结果
结果表明，与单独穿鞋子相比，每种 AFO 都显著增加了踝关节的刚度并增加了足廓清时的踝关节背屈。在蹬离阶段，峰值踝关节功率生成减少，但仅在一种 AFO 中观察到。所有三种 AFO 均观察到摆动阶段髋关节屈曲幅度显著减小。
结论
这些结果表明 AFO 可减少足下垂并消除一些近端代偿作用的需要。
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