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首页> 外文期刊>Journal of athletic training >Comparison of abdominal muscle activity during a single-legged hold in the hook-lying position on the floor and on a round foam roll.
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Comparison of abdominal muscle activity during a single-legged hold in the hook-lying position on the floor and on a round foam roll.

机译：比较单腿握住地板和圆形泡沫卷上钩状姿势时腹部肌肉的活动。

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CONTEXT: To improve trunk stability or trunk muscle strength, many athletic trainers and physiotherapists use various types of unstable equipment for training. The round foam roll is one of those unstable pieces of equipment and may be useful for improving trunk stability. OBJECTIVE: To assess the effect of the supporting surface (floor versus round foam roll) on the activity of abdominal muscles during a single-legged hold exercise performed in the hook-lying position on the floor and on a round foam roll. DESIGN: Crossover study. SETTING: University research laboratory. Patients or Other Participants: Nineteen healthy volunteers (11 men, 8 women) from a university population. Intervention(s): The participants were instructed to perform a single-legged hold exercise while in the hook-lying position on the floor (stable surface) and on a round foam roll (unstable surface). Main Outcome Measure(s): Surface electromyography (EMG) signals were recorded from the bilateral rectus abdominis, internal oblique, and external oblique muscles. Dependent variables were examined with a paired t test. RESULTS: The EMG activities in all abdominal muscles were greater during the single-legged hold exercise performed on the round foam roll than on the stable surface. CONCLUSIONS: The single-legged hold exercise in the hooklying position on an unstable supporting surface induced greater abdominal muscle EMG amplitude than the same exercise performed on a stable supporting surface. These results suggest that performing the single-legged hold exercise while in the hook-lying position on a round foam roll is useful for activating the abdominal muscles.
机译：背景：为了提高躯干稳定性或躯干肌肉力量，许多运动教练和物理治疗师使用各种不稳定的设备进行训练。圆形泡沫辊是那些不稳定的设备之一，并且对于改善行李箱稳定性可能是有用的。目的：评估在地面和圆形泡沫卷上的钩状姿势进行的单腿保持运动期间，支撑表面（地板泡沫卷或圆形泡沫卷）对腹肌活动的影响。设计：交叉研究。地点：大学研究实验室。患者或其他参与者：来自大学群体的19名健康志愿者（11名男性，8名女性）。干预：指示参与者在地板（稳定表面）和圆形泡沫辊（不稳定表面）上的钩钩姿势时进行单腿握住练习。主要观察指标：从双侧直肌，腹内斜肌和外斜肌记录表面肌电图（EMG）信号。用配对t检验检验因变量。结果：在圆形泡沫辊上进行单腿握持锻炼时，所有腹部肌肉的肌电活动均大于在稳定表面上的肌电活动。结论：在不稳定支撑面上单腿保持姿势的钩动作比在稳定支撑面上进行的相同动作引起的腹肌肌电振幅更大。这些结果表明，在圆形泡沫卷上的钩状躺姿时进行单腿保持运动对于激活腹肌很有用。

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