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Ant/post brachial
anterior/posterior brachial compartment muscles
| Question | Answer |
|---|---|
| Origin: medial shaft of humerus. Insertion: Medial shaft of humerus. Function: flexion of shoulder,most effective when arm is extended | coracobrachialis |
| Origin: anterior surface of humerus. Insertion:anterior aspect of coronoid process and ulnar tuberosity. Function: elbow flexion. | brachialis |
| Origin: Apex of coracoid process. Insertion: radial tuberosity and deep fascia of antebrachial flexor muscle. Function:Supinator, flexes elbow | biceps brachii |
| Origin: infraglenoid tubercle of scapula. Insertion: Upper surface of olecranon,process of ulna. Function:extension of elbow joint | triceps brachii |