Serratus Anterior and Pecrotalis Major?

[TwoCoins]

Looked at ExRx muscle logged and these looked almost the same? Can someone explain the difference in the two and how they assist the Pectoral Major?

[svarturer]

http://en.wikipedia.org/wiki/Serratus_anterior_muscle

Action: Protract and stabilize scapula, assists in upward rotation.
Antagonist: Rhomboid major muscle, Rhomboid minor muscle

[svarturer]

Upward Rotation (Superior Rotation)

Rotary movement of the scapula; moving inferior angle of scapula laterally and upward.

* Trapezius (middle fibers)
* Trapezius (lower fibers)
* Serratus anterior (lower fibers)

[svarturer]

looks like pecs ?? no i dont think so