...发现，坐姿 站起的躯干活动中，只有少许的侧弯(lateral flexion) 及侧移(lateral shift)，并伴随少许的躯干旋转(trunk rotation)，而躯干前倾(trunk forward) 与向上的动作才是主要完成动作的基础，但是研究中并未说明躯干需要前倾多少 度，才能完成坐到站的活...
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随躯干旋转角度的增加，竖脊肌肌电幅度呈升高的趋势，但差异无统计学意义（P＞0．05）。
The EMG average amplitude was increased with the increase of the trunk rotation angle without significant difference (P>0.05).
结论躯干旋转时核心肌群肌力的增强，对于改善慢性非特异性腰痛患者的局部稳定性有重要意义。
ConclusionIncreasing the rotary strength of trunks is important to improve local stability in patients with chronic nonspecific low back pain.
手臂和肩膀的旋转伸展动作帮助肩部及其联接躯干的肌肉群充分热身。游泳时将连续不停的运用这些肌肉。
The arm and shoulder rotation stretch warms up the muscle that surrounds the shoulder jointed the body. These muscles are used continuously during swimming.
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