Effects of physical activity and body awareness on stability of body movement and muscle power output in frail elderly and physically disabled children.

为了研究身体活动和身体对活动可能性的意识对体弱老年人和肢体残疾儿童身体运动稳定性和肌肉力量输出的影响，我们进行了一系列测量，如下：1。应用动作捕捉系统对脑瘫儿童在创造性舞蹈表达过程中肢体动作的再现性进行了评价。精确再现的结果清楚地显示了通过追踪肢体部分来评价残疾儿童这类肢体运动的可能性。在最大膝关节伸展力量、最大步行速度和两种类型的杠杠廓清测试中，比较了机构15连体老年人与年龄匹配的当地居民老年人的身体素质和身体意识的关系。体弱老年人的肌力和步行速度明显低于当地居民。老年体弱者，尤其是脑血管疾病所致偏瘫患者，在棒材清除试验中目测与实际试验差异较大。随着体力活动的减少，这些体弱老年人不仅身体素质下降，而且身体活动意识也明显下降。用肌电图和肌力图比较了脑瘫患儿与非残疾患儿在亚最大自主收缩时肌力输出的稳定性。CP儿童在这些肌肉生理指标上有差异的趋势，但与以往的研究相比，有一些显著的差异，需要制定更合适的测量情境来阐明体育活动和身体残疾的影响。此外，必须进行干预研究，以确定身体残疾儿童的这些特性。

To examine the effects of physical activity and body awareness of movable possibility on stability of body movement and muscle power output in frail elderly and physically disabled children, we conducted a series of measurements as follows ;1.Reproducibility of body movement was assessed by using Motion Capture System in cerebral palsy child during her creative dance expression. The precisely reproduced result clearly showed the possibility of evaluation for this kind of body movement by tracing body segment in physically disabled children.2.Relations of physical fitness and body awareness were examined in institutionalized 15 flail elderly in contrast to age-matched local resident elderly in teams of maximal knee extension strength, maximal walking velocity and 2 types of bar clearance test. Muscle strength and walking velocity of frail elderly were significantly lower than those of local resident. The discrepancy between visual inspection and actual trial during bar clearance test was larger in frail elderly, especially in such patients as hemiplegia induced by cerebrovascular diseases. In these frail elderly not only physical fitness but also body awareness of movable ability seemed to be deteriorated with decrease of physical activity.3.Stability of muscle power out put of cerebral palsy children was compared with non-disabled children in terms of electromyogram and mechanomyogram during submaximal voluntary contraction. CP children showed a tendency of being different in these muscle physiological measures, however, some notable discrepancies were observed compared to previous studies and it must be needed to develop more suitable measurement situation for clarifying the effects of physical activity and physical disability. Also, the intervention study must be needed to ascertain these properties in physically disabled children.