MOINA of Forearm and Hand Flashcards
origin of pronator teres (humeral head)
medial epicondyle of humerus
origin of pronator teres (ulnar head)
medial border of coronoid process of ulna
insertion of pronator teres (humeral and ulnar head)
lateral aspect of shaft of humerus
nerve of pronator teres (humeral and ulnar head)
median nerve
action of pronator teres (humeral and ulnar head)
pronation and flexion of forearm
origin of flexor carpi radialis
medial epicondyle of humerus
insertion of flexor carpi radialis
bases of second and third metacarpal bones
nerve of flexor carpi radialis
median nerve
action of flexor carpi radialis
flexes and abducts hand at wrist
origin of palmaris longus
medial epicondyle of humerus
insertion of palmaris longus
flexor retinaculum and palmar aponeurosis
nerve of palmaris longus
median nerve
action of palmaris longus
flexes hand
origin of flexor carpi ulnaris (humeral head)
medial epicondyle of humerus
origin of flexor carpi ulnaris (ulnar head)
medial aspect of olecranon process and posterior border of ulna
insertion of flexor carpi ulnaris (humeral and ulnar head)
pisiform bone, hook of the hamate, base at fifth metacarpal bone
nerve of flexor carpi ulnaris (humeral and ulnar head)
ulnar nerve
action of flexor carpi ulnaris (humeral and ulnar head)
flexes and adducts hand at wrist joint
origin of flexor digitorum superficialis (humeroulnar head)
medial epicondyle of humerus; medial border of coronoid process of ulna
origin of flexor digitorum superficialis (radial head)
oblique line on anterior surface of shaft of radius
insertion of flexor digitorum superficialis (humeroulnar and radial head)
middle phalanx of medial four fingers
nerve of flexor digitorum superficialis (humeroulnar and radial head)
median nerve
action of flexor digitorum superficialis (humeroulnar and radial head)
flexes middle phalanx of fingers and assists in flexing proximal phalanx and hand
origin of flexor pollicis longus
anterior surface of shaft of ulna
insertion of flexor pollicis longus
distal phalanx of thumb
nerve of flexor pollicis longus
anterior interosseous branch of median nerve
action of flexor pollicis longus
flexes distal phalanx of thumb
origin of flexor digitorum profundus
anteromedial surface of shaft of ulna
insertion of flexor digitorum profundus
distal phalanges of medial four fingers
nerve of flexor digitorum profundus
ulnar (medial half) and median (lateral half)
action of flexor digitorum profundus
flexes distal phalanx of fingers; then assists in flexion of middle and proximal phalanges and wrist
origin of pronator quadratus
anterior surface of shaft of ulna
insertion of pronator quadratus
anterior surface of shaft of humerus
nerve of pronator quadratus
anterior interosseous branch of median nerve
action of pronator quadratus
pronates forearm
origin of brachioradialis
lateral supracondylar ridge of humerus
insertion of brachioradialis
base of styloid process of radius
nerve of brachioradialis
radial nerve
action of brachioradialis
flexes forearm atridge of humerus elbow joint; rotates forearm to the midprone position
origin of extensor carpi radialis longus
lateral supracondylar ridge of humerus
insertion of extensor carpi radialis longus
posterior surface of base of second metacarpal bone
nerve of extensor carpi radialis longus
radial nerve
action of extensor carpi radialis longus
extends and abducts hand at wrist joint
origin of extensor carpi radialis brevis
lateral epicondyle of humerus
insertion of extensor carpi radialis brevis
posterior surface of base of third metacarpal bone
nerve of extensor carpi radialis brevis
deep branch of radial nerve
action of extensor carpi radialis brevis
extends and abducts hand at wrist joint
origin of extensor digitorum
lateral epicondyle of humerus
insertion of extensor digitorum
middle and distal phalanges of medial four finger
nerve of extensor digitorum
deep branch of radial nerve
action of extensor digitorum
extends fingers and hand
origin of extensor digiti minimi
lateral epicondyle of humerus
insertion of extensor digiti minimi
extensor expansion of little finger
nerve of extensor digiti minimi
deep branch of radial nerve
action of extensor digiti minimi
extends metacarpal phalangeal joint of little finger
origin of extensor carpi ulnaris
lateral epicondyle of humerus
insertion of extensor carpi ulnaris
base of fifth metacarpal bone
nerve of extensor carpi ulnaris
deep branch of radial nerve
action of extensor carpi ulnaris
extends and adducts hand at wrist joint
origin of anconeus
lateral epicondyle of humerus
insertion of anconeus
lateral surface of olecranon process of ulna
nerve of anconeus
radial nerve
action of anconeus
extends elbow joint
origin of supinator
lateral epicondyle of humerus, anular ligament of proximal radioulnar joint, and ulna
insertion of supinator
neck and shaft of radius
nerve of supinator
deep branch of radial nerve
action of supinator
supination of forearm
origin of abductor pollicis longus
posterior surface of shafts of radius and ulna
insertion of abductor pollicis longus
base of first metacarpal bone
nerve of abductor pollicis longus
deep branch of radial nerve
action of abductor pollicis longus
abducts and extends thumb
origin of extensor pollicis brevis
posterior surface of shaft of radius
insertion of extensor pollicis brevis
base of proximal phalanx of thumb
nerve of extensor pollicis brevis
deep branch of radial nerve
action of extensor pollicis brevis
extends metacarpophalangeal joints of thumb
origin of extensor of pollicis longus
posterior surface of shaft of ulna
insertion of extensor pollicis longus
base of distal phalanx of thumb
nerve of extensor pollicis longus
deep branch of radial nerve
action of extensor pollicis longus
extends distal phalanx of thumb
origin of extensor indicis
posterior surface of shaft of ulna
insertion of extensor indicis
extensor expansion of index finger
nerve of extensor indicis
deep branch of radial nerve
action of extensor indicis
extends metacarpophalangeal joint of index finger
origin of palmaris brevis
flexor retinaculum, palmar aponeurosis
insertion of palmaris brevis
skin of palm
nerve of palmaris brevis
superficial branch of ulnar nerve
action of palmaris brevis
corrugates skin to improve grip of palm
origin of lumbricals (4)
tendons of flexor digitorum profundus
insertion of lumbricals (4)
extensor expansion of medial four fingers
action of lumbricals (4)
flex metacarpophalangeal joints and extend interphalangeal joints of fingers except thumb
origin of interossei (8) [Palmar (4)]
first arises from base of first metacarpal; remaining three from anterior surface of shafts of second, fourth, and fifth metacarpals
insertion of interossei (8) [Palmar (4)]
proximal phalanges of thumb and index, ring, and little fingers and dorsal extensor expansion of each finger (Fig. 9-69)
nerve of interossei (8) [Palmar (4)]
deep branch of ulnar nerve
action of interossei (8) [Palmar (4)]
palmar interossei adduct fingers toward center of third finger
origin of interossei (8) [Dorsal (4)]
contiguous sides of shafts of metacarpal bones
insertion of interossei (8) [Dorsal (4)]
proximal phalanges of index, middle, and ring fingers and dorsal extensor expansion (Fig. 9- 69)
nerve of interossei (8) [Dorsal (4)]
deep branch of ulnar nerve
action of interossei (8) [Dorsal (4)]
Dorsal interossei abductshafts of metacarpal fingers from center of third finger; both palmar and dorsal flex metacarpophalangeal joints and extend interphalangeal joints
origin of abductor pollicis brevis
scaphoid, trapezium, flexor retinaculum
insertion of abductor pollicis brevis
base of proximal phalanx of thumb
nerve of abductor pollicis brevis
median nerve
action of abductor pollicis brevis
abduction of thumb
origin of flexor pollicis brevis
flexor retinaculum
insertion of flexor pollicis brevis
base of proximal phalanx of thumb
nerve of flexor pollicis brevis
median nerve
action of flexor pollicis brevis
flexes metacarpophalangeal joint of thumb
origin of opponens pollicis
flexor retinaculum
insertion of opponens pollicis
shaft of metacarpal bone of thumb
nerve of opponens pollicis
median nerve
action of opponens pollicis
pulls thumb medially and forward across palm
origin of adductor pollicis
oblique head; second and third metacarpal bones; transverse head; third metacarpal bone
insertion of adductor pollicis
base of proximal phalanx of thumb
nerve of adductor pollicis
deep branch of ulnar nerve
action of adductor pollicis
adduction of thumb
origin of abductor digiti minimi
pisiform bone
insertion of abductor digiti minimi
base of proximal phalanx of little finger
nerve of abductor digiti minimi
deep branch of ulnar nerve
action of abductor digiti minimi
abducts little finger
origin of flexor digiti minimi
flexor retinaculum
insertion of flexor digiti minimi
base of proximal phalanx of little finger
nerve of flexor digiti minimi
deep branch of ulnar nerve
action of flexor digiti minimi
flexes little finger
origin of opponens digiti minimi
flexor retinaculum
insertion of opponens digiti minimi
medial border fifth metacarpal bone
nerve of opponens digiti minimi
deep branch of ulnar nerve
action of opponens digiti minimi
pulls fifth metacarpal forward as in cupping the palm