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首页> 外文期刊>Archives of Physical Medicine and Rehabilitation >The effect of stretching on muscle responses and postural sway responses during computerized dynamic posturography in women and men.
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The effect of stretching on muscle responses and postural sway responses during computerized dynamic posturography in women and men.

机译：伸展运动对男性和女性计算机动态姿势成像过程中肌肉反应和姿势摇摆反应的影响。

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OBJECTIVE: To evaluate the effect of stretching on the parameters of postural sway and on the kinematic variables associated with balance control in women and men. DESIGN: Mixed repeated measures design with 2 levels. SETTING: Research laboratory. PARTICIPANTS: Fifteen women and fifteen men (mean age 23.4+/-2.2). INTERVENTION: Two separate sessions of (1) lower extremity stretching and (2) no-stretching, immediately prior to balance testing with simultaneous surface electromyographic (EMG) recordings of muscle responses. MAIN OUTCOME MEASURES: EMG latencies and average amplitudes for 4 lower extremity muscles for the preferred stance limb during computerized dynamic posturography (CDP) tests, specifically the Postural Evoked Response Test, Adaptation Test, Motor Control Test, Sensory Organization Test, and Unilateral Stance Test. RESULTS: Analyses of variance indicated no significant main effect for stretching and 2 significant main effects for gender for the Motor Control Test (P=.021) and latency of tibialis anterior (P=.009). Analyses of covariance with covariants of height and active knee extension revealed no significant main effect of stretching or of gender on muscles responses or CDP performance. CONCLUSIONS: In both women and men, lower extremity stretching did not significantly affect muscle responses or performance during CDP.
机译：目的：评估拉伸对男女姿势摆动参数以及与平衡控制有关的运动学变量的影响。设计：混合重复测量设计具有2个级别。地点：研究实验室。参与者：15名女性和15名男性（平均年龄23.4 +/- 2.2）。干预：在进行平衡测试和同时进行肌电反应的同时进行表面肌电图（EMG）记录之前，立即进行两个单独的阶段：（1）下肢拉伸和（2）不拉伸。主要观察指标：在计算机动态动态X线摄影（CDP）测试中，首选姿势肢体的4个下肢肌肉的EMG潜伏期和平均振幅，特别是姿势诱发反应测试，适应性测试，运动控制测试，感觉组织测试和单侧姿势测试。结果：方差分析表明，运动控制测试（P = .021）和胫骨前骨潜伏期（P = .009）对伸展没有明显的主要影响，对性别没有2个重要的主要影响。与身高和活动膝盖伸展的协变量的协方差分析显示，拉伸或性别对肌肉反应或CDP性能没有明显的主要影响。结论：在男性和女性中，下肢拉伸都没有显着影响CDP期间的肌肉反应或表现。

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