In anatomy, flexor carpi radialis is a muscle of the human forearm that acts to flex and abduct the hand.
This muscle starts at the medial epicondyle of the humerus (as does flexor carpi ulnaris) and attaches to the anterior side of the base of the 2nd metacarpal.
It runs just laterally of flexor digitorum superficialis, and the tendon of flexor carpi radialis can be seen on the anterior of the distal forearm.
On a person's distal forearm, right before the wrist, they will see either two or three tendons. Flexor carpi radialis is the most lateral (closest to the thumb) of these. (The most medial one is flexor carpi ulnaris, and the middle one, if it exists is palmaris longus.)
As are most of the flexors of the hand, FCR is innervated by the median nerve. It gets its blood from the ulnar artery.
The Pronator teres, the Flexorcarpiradialis, and the Palmaris longus derive their supply primarily from the sixth cervical nerve; the Flexor digitorum sublimis from the seventh and eighth cervical and first thoracic nerves, and the Flexorcarpi ulnaris from the eighth cervical and first thoracic.
Flexor pollicis longus is a flexor of the phalanges of the thumb; when the thumb is fixed, it assists in flexing the wrist.
It arises from the lateral epicondyle of the humerus, by the common tendon; by an aponeurosis from the dorsal border of the ulna in common with the Flexorcarpi ulnaris and the Flexor digitorum profundus; and from the deep fascia of the forearm.
In anatomy, flexorcarpiradialis is a muscle of the human forearm that acts to flex and abduct the hand.
This muscle starts at the medial epicondyle of the humerus (as does flexorcarpi ulnaris) and attaches to the anterior side of the base of the 2nd metacarpal.
Flexorcarpiradialis is the most lateral (closest to the thumb) of these.
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