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

功能：增强上肢及背部肌群力量。

youdao

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

功能：增强上肢、胸、背部肌群的力量，提高人体心肺功能。

youdao

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

功能：增强上肢、胸、背部肌群的力量，提高人体心肺功能。

youdao