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Muscles of the arm
Nerve, blood supply, origin, insertion
| Question | Answer |
|---|---|
| Coracobrachialis N | Musculocutaneous n C5-C7 |
| Coracobrachialis BS | Branches from axillary and ant circumflex humeral a Accessory branches of thoracoacromial trunk |
| Coracobrachialis O | Middle of medial border of humerus |
| Coracobrachialis I | Apex of coranoid process |
| Biceps Brachii N | Musculocutaneous C5, C6 |
| Biceps Brachii BS | Branches from brachial and ant circumflex humeral a Deltoid branch of thoracoacromial trunk |
| Biceps Brachii O | Short head: Apex of coranoid process Long head: Supraglenoid tubercle |
| Biceps Brachii I | Deep fascia over radial tuberosity Intermuscular septa |
| Brachialis N | Musculocutaneous C5, C6 radial n C7 |
| Brachialis BS | Branch from brachial a Branch from superior ulnar collateral |
| Brachialis O | Lower 1/2 of front of humerus Intermuscular septa |
| Brachialis I | Ulnar tuberosity Anterior aspect of coranoid process |
| Triceps brachii N | Radial nerve C6-C8 |
| Triceps brachii BS | Profunda brachii Post circumflex humeral a Superior ulnar collateral a |
| Triceps brachii O | Long: Infraglenoid tubercle Lateral: Upper post surface of humeral shaft Med: Post surface of humerus from radial groove to medial ridge |
| Triceps brachii I | Upper surface of olecranon |