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Elbow OIA's
OI&A's of the Elbow
| Question | Answer |
|---|---|
| Biceps Origin | Scapula and coracoid |
| Biceps Insertion | Tuberosity of radius |
| Biceps Action | Flexes elbow, and supinates forearm |
| Brachialis Origin | Mid humerus |
| Brachialais Insertion | Ulna |
| Brachialis Action | Flexion of elbow |
| Brachioradius Origin | Upper arm |
| Brachioradius Insertion | Styloid process of radius |
| Brachioradius Action | Flexion of elbow |
| Triceps Origin | 1-Scapula 2-Upper humerus 3-Mid humerus |
| Triceps Insertion | Olecranon |
| Triceps Action | Extends elbow |
| Supinator Origin | Lateral epicondyle of humerus |
| Supinator Insertion | Radial tuberosity |
| Supinator Action | Supination |
| Pronator Teres Origin | Medial epicondyle of humerus |
| Pronator Teres Insertion | Mid Radius |
| Pronator Teres Action | Pronation |
| Anconeus Origin | Lateral epicondyle of radius |
| Anconeus Insertion | Olecranon |
| Anconeus Action | Extends elbow |
| Pronator Quadratus Origin | Distal 1/4 ulna |
| Pronator Quadratus Insertion | Distal 1/4 radius |
| Pronator Quadratus Action | Pronation |