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.

youdao

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.

youdao