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。
Function: Exercise the upper arms, chest, back and the abdomen muscle strength.
能：锻炼上臂、胸、背、腹部肌肉力量。
Function: Enhance the muscle strength of upper limbs and the back.
功能：增强上肢及背部肌群力量。
Function: Enhance the muscle strength of upper limbs and the back.
功能：增强上肢及背部肌群力量。
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