Push-ups exercise where muscles

Push-ups mainly exercise pectoralis major, deltoid muscle front bundle and triceps brachii.

1. Push-ups of the pectoralis major

,

arm flexion and extension

will drive the contraction and extension of the chest muscles. Especially in the descending stage, the chest muscles will be greatly stretched, and in the ascending stage, the chest muscles will contract and exert force, thus effectively exercising

the pectoralis

major. 2

.