The Shoulder Girdle Chapter 4. Bones 1. Clavicle 2. Scapula 3. Sternum*
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The Shoulder Girdle Chapter 4
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Transcript of The Shoulder Girdle Chapter 4. Bones 1. Clavicle 2. Scapula 3. Sternum*
Scapula
1. coracoid process,2. acromion process,3. glenoid fossa,4. lateral border,5. inferior angle,6. medial border,7. superior angle,8. spine of the scapula9. subscapular fossa10. supraspinous fossa11. infraspinous fossa
Shoulder Girdle Actions
The clavicle and scapula move as a unit
Most of the movement occurs at the SC joint
Abduction / Adduction
Abduction of the AC joint = Horizontal adduction or flexion of the shoulder joint
Adduction of the AC joint = Horizontal abduction or extension of the shoulder joint