The flexor carpi radialis is a muscle located within the superficial flexor compartment of the anterior compartment of the forearm. Its main action is to flex the wrist along with flexor carpi ulnar and sometimes flexor digitorum superficialis. It also helps to abduct the hand. Flexor carpi radialis is located medially to pronator teres and originates from the medial epicondyle via the common flexor tendon. It passes along the forearm and ends as a long tendon, which inserts into the base of the second metacarpal. It also sends a slip to the third metacarpal. It is innervated by the median nerve (C6-7).
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