Question | Answer |
Coracobrachialis Prox. | Tip of coracoid process |
Coracobrachialis Dist. | Middle 1/3 of medial humerus |
Coracobrachialis Act. | Flexes and ADducts arm at Glenohumeral Joint |
Coracobrachialis Inn. | Musculocutaneous Nerve (pierces coracobrachialis) |
Biceps Brachii Short Head Prox. | Coracoid Process |
Biceps Brachii Short Head Dist. | Bicipital Aponeurosis |
Biceps Brachii Short Head Act. | Forearm Supination |
Biceps Brachii Short Head Inn. | Musculocutaneous Nerve |
Biceps Brachii Long Head Prox. | Supraglenoid Tubercle |
Biceps Brachii Long Head Dist. | Tuberosity of Radius |
Biceps Brachii Long Head Act. | Elbow Flexion when Supinated |
Biceps Brachii Long Head Inn. | Musculocutaneous Nerve |
Brachialis Prox. | Distal 1/2 of anterior humerus |
Brachialis Dist. | Coranoid Process and Ulnar Tuberosity |
Brachialis Act. | Elbow Flexion ONLY |
Brachialis Inn. | Musculocutaneous Nerve |
Triceps Brachii Long Head Prox. | Infraglenoid Tubercle |
Triceps Brachii Medial Head Prox. | Posterior surface of humerus |
Triceps Brachii Lateral Head Prox. | Posterior surface of humerus |
Triceps Brachii Dist. | Olecranon Process and Forearm Fascia |
Triceps Brachii Act. | Elbow Extension and Humeral Head Stabilization (Long Head Only) |
Triceps Brachii Inn. | Radial Nerve |
Anconeus Prox. | Lateral epicondyle of humerus |
Anconeus Dist. | Lateral Olecranon and Superior/Posterior Ulna |
Anconeus Act. | Assists in Extension, Stabilizes Elbow, ABducts Ulna During Pronation |
Brachial Artery Branches | Deep Brachial Artery and Superior/Inferior Ulnar Collateral Arteries |
Brachial Artery Path | From Teres Major to Neck of Radius in Cubital Fossa |
4 Major Nerves of Arm | Median, Ulnar, Musculocutaneous, Radial |
Musculocuteous Nerve | Supplies anterior compartment of brachial region, pierces coracobrachialis, becomes lateral antebrachial cutaneous nerve |
Radial Nerve | Supplies Posterior Brachial Region |
Contents of Cubital Fossa | Brachial Artery and Terminal Branches, Brachial and Median Cubital Veins, Median Nerve, Radial Nerve, Medial/Lateral Antebrachial Cutaneous Nerves |