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Forearm compartments5/4/2023 ![]() Ulnar artery, radial artery, brachial artery Pronator teres, flexor carpi radialis, flexor carpi ulnaris, palmaris longus and flexor digitorum superficialisĪll supplied by the median nerve, except for flexor carpi ulnaris that is supplied by the ulnar nerve ![]() Key facts about the superficial anterior forearm muscles Definition and functionĪ group of five muscles found in the superficial layer of the anterior compartment of the forearm, mainly in charge of movements of the forearm, hand and fingers This article will introduce you to the anatomy and function of the superficial anterior forearm muscles. Only the pronator teres muscle acts specifically on the proximal radioulnar joint, producing pronation of the forearm. More specifically, they are in charge of flexion, adduction and abduction of the hand in the wrist joint, as well as flexion of the fingers at the metacarpophalangeal (MCP) and proximal interphalangeal (PIP) joints. ![]() The majority of muscles from this group are innervated by the median nerve (C6-C7), except for the flexor carpi ulnaris muscle that receives its innervation via the ulnar nerve (C7-T1).Īll of the muscles in this compartment work in synergy to produce movements of the hand and digits. The superficial anterior forearm muscles share a common origin on the common flexor tendon that arises from the medial epicondyle of humerus. These muscles include the pronator teres, flexor carpi radialis, flexor carpi ulnaris, palmaris longus and flexor digitorum superficialis. The s uperficial anterior forearm muscles are a group of five muscles located in the anterior (flexor) compartment of the forearm.
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