Sternocostal head of pectoralis major

Explore each muscle group's function and anatomy.

About

The larger middle and lower portion of the pectoralis major, contributing to horizontal adduction and shoulder extension from a flexed position.

Muscle Name	- Sternocostal head of pectoralis major
Muscle Group	- Chest
Body Region	- upper body
Primary Function	- Shoulder horizontal adduction
Secondary Functions	- Shoulder flexion

Exercise	Name	Details
	Decline Barbell Bench Press