Forearm Flashcards
Flexor digitorum profundus origin
Anterior and medial surfaces of the proximal 3/4 of the ulna.
Flexor digitorum profundus insertion
Bases of the distal phalanges, palmar surface and second through fifth fingers.
Flexor digitorum profundus actions
Flex the second through fifth fingers. Assist to flex the wrist.
Flexor digitorum profundus innervation
Median - second and third fingers. Ulnar - fourth and fifth fingers
Flexor digitorum superficialis origin
Common flexor tendon from the medial epicondyle of the humerus, the collateral ligament, coronoid process of the ulna, the interosseous membrane and the proximal shaft of the radius.
Flexor digitorum superficialis insertion
Sides of the middle phalanges of the second through fifth fingers.
Flexor digitorum superficialis actions
Flex the second through fifth fingers
Flexor digitorum superficialis innervation
Median
Which joints can the fingers flex at?
Metacarpophalangeal and proximal and distal interphalangeal joints
Flexor carpi ulnaris origin
Humeral head - Common flexor tendon from the medial epicondyle of the humerus
Ulnar head - Posterior surface of the proximal 2/3 of the ulna
Flexor carpi ulnaris insertion
Pisiform, hook of the hamate and the base of the fifth metacarpal
Flexor carpi ulnaris actions
Flex and adduct the wrist at the radiocarpal joint, assist to flex the elbow.
Flexor carpi ulnaris innervation
Ulnar nerve
Palmaris longus origin
Common flexor tendon from the medial epicondyle of the humerus.
Palmaris longus insertion
Flexor retinaculum and the palmar aponeurosis
Palmaris longus actions
Tense the palmar fascia, flex the wrist at the radiocarpal joint, may assist to flex the elbow.
Palmaris longus innervation
Median nerve
Flexor carpi radialis origin
Common flexor tendon from medial epicondyle of the humerus