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Muscles of the shoulder & arm: actions
| Question | Answer |
|---|---|
| Latissimus Dorsi | Extends and medially rotates shoulder |
| Teres Major | Extends Shoulder |
| Pectoralis Major | Horizontally flexes shoulder (horizontal adduction),medial rotation |
| Coracobrachialis | Flexion and adduction of shoulder |
| Deltoid | Abducts shoulder |
| Supraspinatus | Abducts shoulder |
| Infraspinatus | Laterally Rotates Shoulder |
| Teres Minor | Laterally Rotates shoulder |
| Subscapularis | Medially Rotates shoulder |
| Biceps Brachii | Flexes elbow, flexes shoulder,supinates radioulnar joint |
| Brachialis | Flexes elbow during pronation |
| Brachioradialis | Flexes elbow primarily when hand neutral (coke) |
| Triceps brachii | Extends elbow, extends shoulders |
| Pronator teres | Pronates radioulnar joint |
| Flexor carpi radialis | flexes wrist, radial deviation |
| Flexor carpi ulnaris | Flexes wrist, ulnar deviation |
| Supinator | Supinates radioulnar joint |
| Extensor carpi radialis longus | extends wrist, radial deviation |
| Extensor carpi radialis brevis | extends wrist, radial deviation |
| Extensor carpi ulnaris | extends wrist, ulnar deviation |