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Brachium
Muscles of arm
| Question | Answer |
|---|---|
| PA: (long head) supraglenoid tubercle | Biceps Brachii |
| DA: radial tuberosity and antibrachial fascia | Biceps Brachii |
| Action: flexes arm and forearm: supinates hand | Biceps Brachii |
| Innervation: musculocutaneous | Biceps Brachii |
| PA: anterior surface shaft of humerus (distal 2/3) | Brachialis |
| DA: coracoid process of ulna, tuberosity of ulna, some fibers in articular capsule of elbow joint | Brachialis |
| Action: flexes forearm | Brachialis |
| Innervation: musculocutaneous | Brachialis |
| PA: coracoid process | Coracobrachialis |
| DA: medial side of shaft of humerus | Coracobrachialis |
| Action: flexes forearm and adducts arm | Coracobrachialis |
| Innervation: musculocutaneous may be direct from lateral cord | Coracobrachialis |
| PA: (long head) infraglenoid tubercle | Triceps Brachii |
| DA: olecranon process of ulna | Triceps Brachii |
| Action: all heads extend forearm (long head does some adduction) | Triceps Brachii |
| Innervation: Radial | Triceps Brachii |
| PA: lateral epicondyle of humerus | Anconeus |
| DA: olecranon process and posterior surface of ulna | Anconeus |
| Action: extend forearm | Anconeus |
| Innervation: Radial | Anconeus |
| PA: lateral supracondylar ridge of humerus | Brachioradialis |
| DA: styloid process of radius | Brachioradialis |
| Action: flexes forearm | Brachioradialis |
| Innervation: Radial | Brachioradialis |
| PA: (short head) coracoid process | Biceps Brachii |
| PA: (lateral head) proximal half of humerus | Triceps Brachii |
| PA: (medial head) distal half of humerus | Triceps Brachii |
Created by:
user-1973880