The bodybuilders contracted their biceps in unison.
健美运动员们一起收缩二。
The bodybuilders contracted their biceps in unison.
健美运动员们一起收缩二。
The article explains the morphology factor of chinning in combined grip. It points out that chinning movement can well-developed muscles such as pectoralis major, latissimus dorsi and biceps brachii.
文章阐述了正握引体向上比反握引体向上难做的因素,明确了做引体向上动作,主要用来发展胸大、背阔和二的力,发达这些肉的肉块。
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