Gradually he felt his deltoids becoming sore.
渐渐他觉得两臂上的三角肌发酸。
The anterior deltoids over the front of the shoulder lift the arms.
三角肌（位于肩膀前侧）上提手臂。
The middle portions of the deltoids abduct the shoulders, drawing them away from the trunk.
三角肌中部使肩膀外展，将肩膀向远离躯干的方向拉。
The upper trapezius in the back and the anterior deltoids at the front of the shoulders lift the arms.
背部的上斜方肌和肩膀前侧的前三角肌上提手臂。
The invention consists in gym work-out equipment for chest, deltoids, trapeziums and triceps muscles designated to be used both in specific areas such as gyms etc and in private areas.
本发明涉及一种用于训练胸肌、三角肌、梯形肌以及三头肌的体育运动器械，其指定在两个特定地方使用，例如体育馆等和私人区域。
The invention consists in gym work-out equipment for chest, deltoids, trapeziums and triceps muscles designated to be used both in specific areas such as gyms etc and in private areas.
本发明涉及一种用于训练胸肌、三角肌、梯形肌以及三头肌的体育运动器械，其指定在两个特定地方使用，例如体育馆等和私人区域。
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