功能：增强上肢及背部肌群力量。

Function: Enhance the muscle strength of upper limbs and the back.

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功能：增强上肢、胸、背部肌群的力量，提高人体心肺功能。

Functions: Enhance the muscle strength of upper limbs, chest and the back.

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稍作休息后开始锻炼三头肌、胸肌和背部。

Take a quick break during the day to work the triceps, chest muscles and back.

youdao

稍作休息后开始锻炼三头肌、胸肌和背部。

Take a quick break during the day to work the triceps, chest muscles and back.

youdao