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首页> 外文期刊>Journal of human kinetics >Gender Differences in Postural Stability Among Children
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Gender Differences in Postural Stability Among Children

机译：儿童姿势稳定性的性别差异

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This study aimed to examine the gender differences in -postural stability among 8-12 year-old children. Twenty-six children participated in this repeated measures study to measure the centre of pressure (COP) under one normal condition (CONTROL: hard surface, eyes open, and looking straight ahead) and two challenging sensory conditions (ECHB: eyes closed and head back; and EOCS: eyes open and compliant surface) in randomized order. Girls had significantly lower COP path velocity (COP-PV, p < 0.05, medium effect), smaller radial displacement (COP-RD, p < 0.05, medium effect), and lower area velocity (COP-AV, p < 0.05, medium effect) as compared to boys when the three conditions were pooled. Gender differences were found in the percentage changes in COP-RD during ECHB (p < 0.05, large effect) and EOCS (p < 0.05, medium effect), and in COP-AV during both ECHB and EOCS conditions (p < 0.05, medium effect). Postural stability performance of girls had higher correlations with age (-0.62 vs. -0.40), body mass (-0.60 vs. -0.42), foot length (-0.68 vs. -0.45), and physical activity level (-0.45 vs. 0.02), as compared to boys. Girls had better postural stability than boys but were more affected by altered sensory input information. Girls are more capable of integrating their sensory inputs, whereas boys treat each sensory input somewhat separately and rely more on somatosensory feedback. Exercises such as standing on unstable surfaces with eyes open instead of eye closed and head back are more beneficial to children's postural stability control system.
机译：这项研究旨在检查8-12岁儿童的姿势稳定性方面的性别差异。 26名儿童参加了这项重复测量研究，以测量在一种正常情况下（控制：坚硬的表面，睁开的眼睛，直视前方）和两种具有挑战性的感觉状态（ECHB：闭着的眼睛和向后仰）的压力中心（COP） ;以及EOCS：眼睛睁开并顺应曲面）以随机顺序排列。女孩的COP路径速度（COP-PV，p <0.05，中等效果），径向位移（COP-RD，p <0.05，中等效果）和区域速度（COP-AV，p <0.05，中等）显着较低效果）与男孩在三种情况下的总和相比较。在ECHB（p <0.05，大影响）和EOCS（p <0.05，中等影响）期间，COP-RD的百分比变化以及ECHB和EOCS情况（p <0.05，中等）的COP-AV中发现了性别差异影响）。女孩的姿势稳定性表现与年龄（-0.62对-0.40），体重（-0.60对-0.42），脚长（-0.68对-0.45）和身体活动水平（-0.45对。 0.02），与男孩相比。女孩的姿势稳定性比男孩更好，但更受感官输入信息变化的影响。女孩更有能力整合其感官输入，而男孩则稍微分开对待每个感官输入，并更多地依赖于体感反馈。诸如站立在不稳定的表面上，睁开眼睛而不是闭着眼睛和向后仰等运动对孩子的姿势稳定性控制系统更有利。

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