きょうきん

[Kanji] pectoralis muscle Tanktops A group of muscles in the chest. There is the pectoralis major muscle and the pectoralis minor muscle in the inner layer, which is involved in the movement and breathing of the upper limbs. Japanese traditional calls Kyo-Kin.

A group of muscles in the chest. There is the pectoralis major muscle and the pectoralis minor muscle in the inner layer, which is involved in the movement and breathing of the upper limbs. Japanese traditional calls Kyo-Kin. [Kanji] pectoralis muscle T-Shirt