Muscles of the Shoulder Girdle - University of Idaho
Muscles of the Wrist
|Muscle |Proximal Attachment |Distal Attachment |Primary Actions |Innervation |
|Extensor carpi radialis |Lateral supracondylar ridge of |Base of 3rd metacarpal (dorsal side) |Elbow flexion |Radial nerve, C6, C7 |
|longus |humerus | |Wrist extension & radial | |
| | | |deviation | |
|Extensor carpi radialis |Lateral supracondylar ridge of |Base of 2nd metacarpal (dorsal side) |Elbow flexion |Radial nerve, C6, C7 |
|brevis |humerus | |Wrist extension & radial | |
| | | |deviation | |
|Extensor carpi ulnaris |Lateral epicondyle of humerus |Base of 5th metacarpal (dorsal side) |Elbow extension |Posterior interosseeous branch of |
| | | |Wrist extension & ulnar |radial nerve, C6-C8 |
| | | |deviation | |
|Flexor carpi radialis |Medial epicondyle of humerus |Base of 2nd & 3rd metacarpal (palmar side) |Wrist flexion & radial |Median nerve, C6, C7 |
| | | |deviation | |
|Flexor carpi ulnaris |Medial epicondyle of humerus |Pisiform, Hamate, Base of 5th metacarpal |Wrist flexion & ulnar deviation|Ulnar nerve, C8,T1 |
| | |(palmar side) | | |
|Palmaris longus |Medial epicondyle of humerus |Palmar aponeurosis |Wrist flexion |Median nerve, C6, C7 |
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