Pectoralis Major Muscle

Pectoralis Major Muscle

The pectoralis major is a thick, fan-shaped muscle, situated at the chest (anterior) of the human body. It makes up the bulk of the chest muscles in the male and lies under the breast in the female. Underneath the pectoralis major is the pectoralis minor, a thin, triangular muscle.

Read more about Pectoralis Major Muscle:  Origin and Insertion, Innervation, Laminae, Variations, Actions, Training, Injuries and Imaging, Poland's Syndrome, Other Diseases, Sexual Appeal, Additional Images

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