Pectoralis major muscles: Origin, Insertion, Exercise
What is pectoralis major? The pectoralis major muscles is a thick, fan-molded or three-sided focalized muscle, located at the chest of the human body. It builds up the majority of the chest muscles and lies under the breast. The pectoralis major is the pectoralis minor, a flimsy, three-sided muscle. The pectoralis major’s primary functions are…