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Title
3d illustration of human muscular system torso muscles pectoral muscles anatomy #
Description
The pectoralis major is a thick, fan-shaped muscle, situated at the chest of the human body. It makes up the bulk of the chest muscles and lies under the breast. Beneath the pectoralis major is the pectoralis minor, a thin, triangular muscle. The pectoralis major`s primary functions are flexion, addiction, and internal rotation of the humerus. The pectoral major may colloquially be referred to as `pecs`, `pectoral muscle` or `chest muscle` due to it being the largest and most superficial muscle in the chest area.