**All have ORIGIN ON AXIAL skeleton
**All have INSERTION on the SCAPULA and/or CLAVICLE
**Primary Function of girdle 1. Stabilize shoulder during static contractions2. Provide base of support for shoulder joint movement
1. Pectoralis Minor
Actions: Abduction
(protraction), downward
rotation and depression
2. Serratus Anterior
Actions: Abduction
(protraction) and upward
rotation
3. Trapezius
Actions: Superior fibers
elevation & upward rotation;
Middle fibers: retraction
(adduction); Inferior fibers:
depression and upward
rotation
4. Rhomboids
Actions: Adduction
(retraction),
downward rotation,
and elevation