开合跳
开合跳，北美稱之為jumping jack，英聯邦國家称之為星跳（star jump），即象星星一样有五个角，人体的头、双手、双脚分别为五个角，通过双手双脚的开合跳动，算完成一次动作。
開合跳
另見
- Split Jack
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