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首页> 外文期刊>Journal of Sports Medicine >Shoulder Muscle Activation of Novice and Resistance Trained Women during Variations of Dumbbell Press Exercises
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Shoulder Muscle Activation of Novice and Resistance Trained Women during Variations of Dumbbell Press Exercises

机译：新手和抵抗训练的妇女在哑铃新闻锻炼变异期间的肩部肌肉激活

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Previous research has compared the effects of trunk inclination angle on muscle activation using barbells and Smith machines in men. Whether similar effects occur with the use of dumbbells or in women remains unknown. The purpose was to compare upper extremity surface electromyographical (EMG) activity between dumbbell bench, incline, and shoulder presses. Dominate arm EMG data were recorded for collegiate-aged female resistance trained individuals () and novice female resistance trained exercisers () from which average EMG amplitude for each repetition phase (concentric, eccentric) was computed. No significant differences were found between experienced and novice resistance trained individuals. For the upper trapezius and anterior deltoid muscles, shoulder press activation was significantly greater than incline press which in turn was significantly greater than bench press across both phases. The bench and incline presses promoted significantly greater pectoralis major sternal activation compared to the shoulder press (both phases). While pectoralis major clavicular activation during the incline press eccentric phase was significantly greater than both the bench and shoulder presses, activation during the bench press concentric phase promoted significantly greater activation than the incline press which in turn was significantly greater than the shoulder press. These results provide evidence for selecting exercises in resistance and rehabilitation programs.
机译：先前的研究已经比较了男性使用杠铃和史密斯机对躯干倾斜角度对肌肉激活的影响。使用哑铃还是女性会产生类似的效果仍然未知。目的是比较哑铃凳，倾斜和肩部推举之间的上肢表面肌电图（EMG）活动。记录了大学时期女性抵抗运动训练者（）和新手女性抵抗运动训练者（）的主要手臂EMG数据，从中计算出每个重复阶段（同心，偏心）的平均EMG振幅。在经验丰富和新手抗性训练的人之间没有发现显着差异。对于上斜方肌和三角肌前肌，在两个阶段中，肩部推举的激活明显大于斜推，而斜推则明显大于卧推。与肩部推举（两个阶段）相比，卧推和斜推举起的胸大肌胸骨激活明显增强。尽管在倾斜卧推偏心阶段的胸大肌锁骨激活明显大于卧推和肩膀卧推，但在卧推同心阶段的激活比倾斜卧推显着更大，而倾斜卧推又比肩膀卧推大。这些结果为在抵抗和康复计划中选择运动提供了证据。

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