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Elbow and RU muscles
biomech exam 2
Question | Answer |
---|---|
Anterior elbow | biceps brachii, brachialis, brachioradialis, pronator teres |
Anterior forearm/wrist | pronator quadratus (bracelet muscle) |
Posterior elbow | triceps brachii, anconeus, and supinator |
biceps brachii LONG HEAD origin and insertion | O=supraglenoid tubercle, I= tuberosity if radius |
biceps brachii SHORT head origin and insertion | O=Coracoid process of scapula, I=tuberosity of radius |
biceps brachii innervation | musculocutaneous nerve (C5,C6) |
triceps brachii LONG HEAD origin and insertion | O= infrageloid tubercle, I= olecranon process of ulna |
triceps brachii SHORT HEAD origin and insertion | O= upper half of posterior surface of humerus, I = olecranon process of ulna |
triceps brachii MEDIAL HEAD origin and insertion | O= distal 2/3 of posterior surface of humerus , I= olecranon process of ulna |
triceps brachii innervation | radial nerve (C7, C8) |