Fitness Equipment Single Use Chest Expander Chest Expander Chest Muscle Exerciser_定州市力诺先锋体育器材有限公司

Fitness Equipment Single Use Chest Expander Chest Expander Chest Muscle Exerciser

Fitness Equipment Single Use Chest Expander Chest Expander Chest Muscle Exerciser

健身小器材单用拉力器扩胸器胸肌锻炼器

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胸器

体育运动用的一种辅助器械，上面装有弹簧，练习时用双手把它拉开，能增强胸部和臂部肌肉的力量。也叫拉力器。

　　扩胸器的使用

　　1.双手握住扩胸器,手臂与肩同高,双臂用力将扩胸器往身体后方拉至双臂与身体成一直线，然后回复原状。

　　2.双手握住扩胸器,举至头顶，注意手要伸直，然后向下方拉至双臂与身体成一直线，然后回复原状。向下文拉时可以将扩胸器拉至胸前，也可拉至背后。

　　3.仰卧，举扩胸器至胸前上方，双臂伸直，将扩胸器拉至双臂与身体成一直线，然后回复原状。

　　4.身体直立，左/右脚踩住扩胸器一侧，左/右手握住扩胸器另一侧往上提拉，动作就和举哑铃差不多。

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