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首页> 外文期刊>Gait & posture >Feedforward postural control in individuals with multiple sclerosis during load release
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Feedforward postural control in individuals with multiple sclerosis during load release

机译：负荷释放期间多发性硬化患者的前馈姿势控制

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摘要

The aim of the present study was to investigate the organization of anticipatory postural adjustments (APAs) in individuals with multiple sclerosis (MS) during self-initiated perturbation in the sagittal plane. Eleven individuals with MS and eleven age-and-gender matched healthy controls were asked to hold a 2.27. kg load in the extended arms and release it using fast arm abduction movements. Electrical activity of six leg and trunk muscles as well as displacements of the center of pressure (COP) were recorded. The results indicate that individuals with MS (1) demonstrate a reduced magnitude of APAs, (2) delayed latency of APAs and (3) smaller anticipatory COP displacement as compared to healthy control subjects. Moreover, in spite of individuals with MS being mildly affected, their balance capacity was significantly diminished. Thus, the outcome of this study demonstrates the underlying impairment in anticipatory postural control of individuals with MS and provides a background for development of rehabilitation strategies focused on balance restoration in this population.
机译：本研究的目的是调查在矢状面内自发性摄动期间多发性硬化症（MS）患者的预期姿势调整（APA）的组织。要求11名MS患者和11位年龄和性别相匹配的健康对照者保持2.27。 kg伸展手臂的负荷，并通过快速的手臂外展动作将其释放。记录了六个腿和躯干肌肉的电活动以及压力中心（COP）的位移。结果表明，与健康对照组相比，MS患者（1）表现出降低的APA量，（2）APA延迟潜伏期和（3）预期的COP位移更小。此外，尽管MS患者受到轻度影响，但其平衡能力却明显下降。因此，本研究的结果证明了MS患者预期姿势控制的潜在障碍，并为制定针对该人群平衡恢复的康复策略提供了背景。

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