Pectoralis

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The pectoralis is a large, broad muscle located at the front of the chest. It runs from the clavicle to the sternum & onto the lower ribs. It attaches onto the bicipital groove near the humerus. It functions to flex, extend, & internally rotate the humerus.

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Larissa Farrell

Ecosexual, environmentalist, rope switch, yogini, sex educator, & freelance writer. Like what you are reading & want to collaborate? Check out my freelance writing, design, & photography site.