of the lumbar spine.

Due to bypassing the scapulothoracic joints and attaching directly to the spine, the actions the latissimi dorsi have on moving the arms can also influence the movement of the scapulae, such as their downward rotation during a pull up.

Structure

The latissimus is a large fan-shaped muscle which covers a wide area of the back, being broad at its (medial) origin, narrow at its (lateral) insertion. It originates from the spinous processes of the six lower

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