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Hand Muscles
URI Anatomy Quiz 12: Muscles of the Hand
| Question | Answer |
|---|---|
| It's origin is the medial epicondyle of the humerus and coronoid process of the ulna. It inserts on the lateral aspect of the radius at its midpoint. It pronates the forearm and wrist; assists with elbow flexion. | Pronator teres with the Median nerve |
| It's origin is the distal 1/4 of the ulna. It inserts on the distal 1/4 of the radius. It pronates the forearm and wrist. | Pronator quadratus with the Median nerve |
| It's origin is the lateral epicondyle of the humerus and posterio-lateral proximal ulna. It inserts on the anterior proximal radius. It supinates the forearm and wrist. | Supinator muscle with the Radial nerve |
| It's origin is the supraglenoid tubercle and coracoid process of the scapula. It inserts on the radial tuberosity of the radius and bicipital aponeurosis. It flexes the forearm and supinates the forearm and wrist. The short head flexes the humerus. | Biceps brachii muscle with the Musculocutaneous nerve |