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首页> 外文期刊>Clinical biomechanics >Foot drop and plantar flexion failure determine different gait strategies in Charcot-Marie-Tooth patients.
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Foot drop and plantar flexion failure determine different gait strategies in Charcot-Marie-Tooth patients.

机译：脚下降和足底屈曲衰竭决定了Charcot-Marie-Tooth患者的不同步态策略。

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摘要

OBJECTIVE: To describe the temporal, kinetic, kinematic, electromyographic and energetic aspects of gait in Charcot-Marie-Tooth patients with foot drop and plantar flexion failure. METHODS: A sample of 21 patients fulfilling clinical, electrodiagnostic and genetic criteria for Charcot-Marie-Tooth disease were evaluated by computerized gait analysis system and compared to a group of matched healthy subjects. Patients were classified as having isolate foot drop (group 1) and association of foot drop and plantar flexion failure (group 2). RESULTS: While it was impossible to detect a reliable gait pattern when the group of patients was considered as a whole and compared to healthy subjects, we observed two distinctive gait patterns when patients were subdivided as group 1 or 2. Group 1 showed a gait pattern with some characteristics of the "steppage pattern". The complex motor strategy adopted by this group leads to reduce the swing velocity and to preserve the step length in spite of a high energy consumption. Group 2 displayed a "clumsy pattern" characterized by very slow gait with reduced step length, a broader support area and great reduction in the cadence. This group of patients is characterized by a low energy consumption and greater energy recovery, due above all to the primary deficit and the various compensatory mechanisms. CONCLUSIONS: Such between-group differences in gait pattern can be related to both primary motor deficits and secondary compensatory mechanisms. Foot drop and plantar flexion failure affect the overall gait strategy in Charcot-Marie-Tooth patients.
机译：目的：描述Charcot-Marie-Tooth脚下垂和足底屈肌衰竭的步态的时间，动力学，运动学，肌电图和能量方面。方法：通过计算机步态分析系统评估了21例符合Charcot-Marie-Tooth病临床，电诊断和遗传学标准的患者的样本，并与一组匹配的健康受试者进行了比较。患者被分类为具有孤立的脚下降（第1组）以及脚下降和足底屈曲衰竭的关联（第2组）。结果：虽然将患者组作为一个整体并与健康受试者进行比较无法检测出可靠的步态模式，但当将患者分为1组或2组时，我们观察到了两种独特的步态模式。第1组显示了步态模式具有“逐步模式”的某些特征。尽管能耗很高，该小组采用的复杂电动机策略仍会降低回转速度并保留步长。第二组显示出一种“笨拙的图案”，其特征在于步态非常慢，步长减小，支撑区域更宽，节奏大大降低。这组患者的特点是能量消耗低，能量回收率高，这主要归因于原发性赤字和各种补偿机制。结论：这种步态间的群体间差异可能与原发性运动功能障碍和继发性补偿机制有关。脚下降和足底屈曲衰竭会影响Charcot-Marie-Tooth患者的总体步态策略。

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