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Shoulder Joint OIAs
Muscles of the shouklder joint
| Term | Definition |
|---|---|
| Pectoralis Major Origin | O- AC, clavicle,SC,Sternum |
| Pectoralis Major Insertion | I- greater tubercle of humerus |
| Pectoralis Major Actions | A- flexion, adduction, internal rotation of humerus |
| Latissimus Dorsi Origin | O-T6 - T12, L1-L5, sacrum, coccyx |
| Latissimus Dorsi Insertion | I-intertubercle groove of humerus |
| Latissimus Dorsi Actions | A-adduction, extension, internal rotation of humerus |
| Deltoid Origin | O- clavicle, AC, spine of scapula |
| Deltoid Insertion | I- deltoid tuberosity |
| Deltoid Action | A- Abduction, flexion and extension of humerus |
| Biceps Origin | O- 1- top of scapula 2- coracoid |
| Biceps Insertion | I- tuberosity of radius |
| Biceps Action | A- flexion, internal rotation |
| Teres Major Origin | O-scapula |
| Teres major Insertion | I-intertubercle groove |
| Teres Major Action | A-adduction, internal rotation of humerus |
| Coracobrachialis Origin | O-coracoid process |
| coracobrachialis Insertion | I-mid humerus |
| coracobrachialis Action | A-horizontal flexion |