間歇式開合跳燃脂減肥法

Jumping Jack(開合跳)是一個十分常見的熱身及燃脂的運動,在很多運動的暖身操中都會出現,而男性在當兵時也會遇到開合跳的動作。除了能快速高心跳率之外,也有助於肩膀、手臂、腿部等肌肉的鍛練。


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