hedder på latin flexor carpi ulnaris. Musklen laver flexes the wrist., og adducts the hand.. Musklen er en del af håndleddets bøjere (volarflektorer) og fingerbøjerne.
Udspring og hæfte for Flexor Carpi Ulnaris
Udspring: The flexor carpi ulnaris has two heads; a humeral head and ulnar head. The humeral head originates from the medial epicondyle of the humerus via the common flexor tendon. The ulnar head originates from the medial margin of the olecranon of the ulnar and the upper two-thirds of the dorsal border of the ulnar by an aponeurosis. Between the two heads passes the ulnar nerve and ulnar artery.
Hæfte: The flexor carpi ulnaris inserts onto the pisiform, hook of the hamate (via the pisohamate ligament) and the anterior surface of the base of the fifth metacarpal (via the pisometacarpal ligament).
Flexor Carpi Ulnaris funktion
- Flexes the wrist..
This means that the flexor carpi ulnaris muscle bends the wrist joint such that the angle between the palm of the hand and the front of the forearm decreases (i.e. it moves the palm of the hand toward the front of the forearm).
- Adducts the hand..
This means that the flexor carpi ulnaris muscle bends the wrist sideways such that the little finger side of the hand moves toward the forearm.