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Forearm Flexors
Origins, insertions, innervation, action, and blood supply of Forearm Flexor muscles
40
Anatomy
Graduate
09/11/2011

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Term
Pronator teres: origin
Definition
medial epicondyle of humerus and coronoid process of ulna
Term
Pronator teres: insertion
Definition
middle of lateral surface of radius
Term
Pronator teres: innervation
Definition
median n. (C6,C7)
Term
Pronator teres: action
Definition
pronates forearm, assists in flexion
Term
Pronator teres: blood supply
Definition
anterior ulnar recurrent a.
Term
Flexor carpi radialis: origin
Definition
medial epicondyle of humerus
Term
Flexor carpi radialis: insertion
Definition
base of metacarpals II and III
Term
Flexor carpi radialis: innervation
Definition
median n. (C6,C7)
Term
Flexor carpi radialis: action
Definition
flexes hand, assists in abduction
Term
Flexor carpi radialis: blood supply
Definition
radial a.
Term
Palmaris longus: origin
Definition
medial epicondyle of humerus
Term
Palmaris longus: insertion
Definition
distal half of flexor retinaculum and palmar aponeurosis
Term
Palmaris longus: innervation
Definition
median n. (C7,C8)
Term
Palmaris longus: action
Definition
flexes hand and tenses palmar fascia
Term
Palmaris longus: blood supply
Definition
posterior ulna recurrent a.
Term
Flexor carpi ulnaris: origin
Definition
humeral head: medial epicondyle of humerus
ulnar head: olecranon and posterior border of ulna
Term
Flexor carpi ulnaris: insertion
Definition
pisiform bone, hook of hamate, base of metacarpal V
Term
Flexor carpi ulnaris: innervation
Definition
ulnar nerve (C7,C8)
Term
Flexor carpi ulnaris: action
Definition
flexes hand, assists in adduction
Term
Flexor carpi ulnaris: blood supply
Definition
posterior ulnar recurrent a.
Term
Flexor digitorum superficialis: origin
Definition
humeral head: medial epicondyle
ulnar head: coronoid process
radial head: anterior border of radius
Term
Flexor digitorum superficialis: insertion
Definition
bodies of middle phalanges of index, middle, ring, and little fingers
Term
Flexor digitorum superficialis: innervation
Definition
median n. (C7-T1)
Term
Flexor digitorum superficialis: action
Definition
flexes middle and proximal phalanges of index, middle, ring, and little fingers; assists in hand flexion
Term
Flexor digitorum superficialis: blood supply
Definition
ulnar and radial aa.
Term
Flexor digitorum profundus: origin
Definition
medial and anterior surface of proximal 3/4 of ulna, and interosseous membrane
Term
Flexor digitorum profundus: insertion
Definition
anterior base of distal phalanges of index, middle, ring, and little fingers
Term
Flexor digitorum profundus: innervation
Definition
medial part: ulnar n. (C8,T1)
lateral part: median n. (C8,T1)
Term
Flexor digitorum profundus: action
Definition
flexes distal phalanges of index, middle, ring, little fingers; assists in hand flexion
Term
Flexor digitorum profundus: blood supply
Definition
anterior interosseous a. and muscular branches of ulnar a.
Term
Flexor pollicis longus: origin
Definition
anterior surface of radius, and interosseous membrane
Term
Flexor pollicis longus: insertion
Definition
palmar base of distal phalanx of thumb
Term
Flexor pollicis longus: innervation
Definition
anterior interosseous branch of median n. (C8,T1)
Term
Flexor pollicis longus: action
Definition
flexes phalanges of thumb
Term
Flexor pollicis longus: blood supply
Definition
anterior interosseous a.
Term
Pronator quadratus: origin
Definition
distal 1/4 of anterior ulna
Term
Pronator quadratus: insertion
Definition
distal 1/4 of anterior radius
Term
Pronator quadratus: innervation
Definition
anterior interosseous branch of median n. (C8,T1)
Term
Pronator quadratus: action
Definition
pronates forearm
Term
Pronator quadratus: blood supply
Definition
anterior interosseus a.
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