latissimus dorsi

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素,明确了引体向上动作,主要用展胸大、背阔和肱二头,达这些肉肉块。