Development of the standing balance assessment as fall predictors in elderly ・・・the approach from the anticipatory postural control・・・

通过对健康青年和老年受试者的肌电、运动学和动力学的测量，研究了单脚站立时重心移动的运动策略(预期姿势控制)。在此基础上，研究了老年人运动策略与运动成绩的关系。结果表明：下脚前重心移动时，老年人躯干向支撑腿倾斜，年轻人骨盆向支撑腿移动，躯干向支撑腿倾斜角度较大的老年人站立平衡能力和运动能力较高。建议老年人通过使用躯干向支撑腿倾斜的运动策略来调整为单脚站立。不能使用这种运动策略的老年人摔倒的风险可能很高。我们认为，有必要开发的测量工具，不是作为一种评估工具来评估绩效的结果来预测跌落，而是评估绩效的过程或运动策略。

The Motor strategies (the anticipatory postural controls) by which center of gravity moved when standing with one foot were examined by the measurements of EMG, kinematics, and kinetics in healthy young and elderly subjects. After that, the relation between motor strategy and motor performance in elderly was investigated. The results were as follows: the elderly inclined trunk to the support leg while the young moved the pelvis to the support leg when center of gravity was moved before foot-off, and the standing balance and locomotive abilities were high in elderly with larger angle by which trunk was inclined to the support leg. It was suggested that the elderly have adjusted to stand with one foot by using this motor strategy which inclined trunk to the support leg. The risk of the fall of the elderly who cannot use this motor strategy might be high. We propose that the development of the measurement tools is necessary not to evaluate the result of performance as an assessment tools to predict the fall but to evaluate the process or the motor strategy of performance.