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Anatomy Lab 3

Terms in this set (92)

flexor carpi radialis proximal attachment
medial epicondyle of humerus
flexor carpi radialis distal attachment
base of metacarpals 2-3
flexor carpi radialis actions
flexes and abducts the wrist
flexor carpi radialis innervation
median nerve
palmaris longus proximal attachment
medial epicondyle of humerus
palmaris longus distal attachment
palmar aponeurosis
palmaris longus actions
flexes the wrist
palmaris longus innervation
Median nerve (C7, C8)
flexor carpi ulnaris proximal attachment
medial epicondyle of humerus
flexor carpi ulnaris distal attachment
pisiform bone and base of metacarpal 5
flexor carpi ulnaris action
flexes and adducts the wrist
flexor carpi ulnaris innervation
ulnar n.
flexor digitorum superficialis proximal attachment
medial epicondyle of humerus and oblique line of radius
flexor digitorum superficialis distal attachment
middle phalanges of digits 2-5
flexor digitorum superficialis action
flexes PIP of digits 2-5
flexor digitorum superficialis innervation
median n.
flexor digitorum profundus proximal attachment
anterior and medial surface of ulna and interosseous membrane
flexor digitorum profundus distal attachment
distal phalanges of digits 2-5
flexor digitorum profundus action
flexes DIP of digits 2-5
flexor digitorum profundus innervation
lateral half - anterior interosseous n.; medial half - ulnar n.
flexor pollicis longus proximal attachment
anterior surface of radius and interosseous membrane
flexor pollicis longus distal attachment
base of distal phalanx of thumb
flexor pollicis longus action
flexes IP of thumb
flexor pollicis longus innervation
anterior interosseous branch of median n.
pronator quadratus proximal attachment
distal radius
pronator quadratus distal attachment
distal ulna
pronator quadratus action
pronates the forearm
pronator quadratus innervation
anterior interosseous branch of median n.
abductor pollicis brevis proximal attachment
transverse carpal ligament and tubercle of scaphoid and trapezium
abductor pollicis brevis distal attachment
lateral side, base of proximal phalanx of the thumb
abductor pollicis brevis action
abducts the thumb
abductor pollicis brevis innervation
recurrent branch of the median n.
flexor pollicis brevis proximal attachment
Transverse carpal ligament and tubercle of scaphoid and trapezium
flexor pollicis brevis distal attachment
volar side, base of proximal phalanx of the thumb
flexor pollicis brevis action
flexes the thumb
flexor pollicis brevis innervation
recurrent branch of the median n.
opponens pollicis proximal attachment
transverse carpal ligament and tubercle of scaphoid and trapezium
opponens pollicis distal attachment
lateral side of the shaft of the first metacarpal bone
opponens pollicis action
rotates the first metacarpal toward the palm
opponens pollicis innervation
recurrent branch of the median n.
abductor digiti minimi proximal attachment
pisiform, hamate, and transverse carpal ligament
abductor digiti minimi distal attachment
medial side, base of the proximal phalanx of digit 5
abductor digiti minimi actions
abducts digit 5
abductor digiti minimi innervation
deep branch of ulnar n.
lumbricals proximal attachment
flexor digitorum profundus tendons
lumbricals distal attachment
radial side of the extensor expansions of digits 2-5
lumbricals actions
Flexes MCP and extends PIP and DIP of digits 2-5
lumbricals innervation
1 and 2 - median n.; 3 and 4 - deep branch of ulnar n.
adductor pollicis muscle proximal attachment
Transverse head—anterior surface of the shaft of third metacarpal
Oblique head—second and third metacarpals and adjacent carpal bones
adductor pollicis muscle distal attachment
medial side of base of proximal phalanx of thumb
adductor pollicis muscle action
draws the thumb toward the plane of the palm (adduction)
adductor pollicis muscle innervation
deep branch of ulnar n.
dorsal interossei proximal attachment
metacarpal bones 1-5
dorsal interossei distal attachment
base of the proximal phalanges and the extensor expansion of digits 2-4
dorsal interossei action
abducts digits 2-4 and assists lumbricals in MCP flexion and extension of PIP and DIP of digits 2-5
dorsal interossei innervation
deep branch of ulnar n.
extensor carpi radialis longus proximal attachment
distal lateral supracondylar ridge
extensor carpi radialis longus distal attachment
base of second metacarpal
extensor carpi radialis longus action
extends and abducts the hand
extensor carpi radialis longus innervation
radial n.
extensor carpi radialis brevis proximal attachment
lateral epicondyle of humerus via common extensor tendon
extensor carpi radialis brevis distal attachment
base of third metacarpal
extensor carpi radialis brevis action
extends and abducts the hand
extensor carpi radialis brevis innervation
deep branch of radial n.
extensor digitorum proximal attachment
lateral epicondyle of humerus via common extensor tendon
extensor digitorum distal attachment
extensor expansions of digits 2-5
extensor digitorum action
extends digits 2-5
extensor digitorum innervation
posterior interosseous n.
extensor digiti minimi proximal attachment
lateral epicondyle of humerus via common extensor tendon
extensor digiti minimi distal attachment
extensor expansion of digit 5
extensor digiti minimi actions
extends fifth digit
extensor digiti minimi innervation
posterior interosseous n.
extensor carpi ulnaris proximal attachment
lateral epicondyle of humerus via common extensor tendon
extensor carpi ulnaris distal attachment
base of 5th metacarpal
extensor carpi ulnaris action
extends and adducts the hand
extensor carpi ulnaris innervation
posterior interosseous n.
abductor pollicis longus proximal attachment
posterior surfaces of the radius, ulna, and interosseous membrane
abductor pollicis longus distal attachment
base of first metacarpal
abductor pollicis longus action
abducts and extends CMC of thumb
abductor pollicis longus innervation
posterior interosseous n.
extensor pollicis brevis proximal attachment
posterior surfaces of the radius, ulna, and interosseous membrane
extensor pollicis brevis distal attachment
base of the proximal phalanx of digit 1
extensor pollicis brevis action
extends MCP of thumb
extensor pollicis brevis innervation
posterior interosseous n.
extensor pollicis longus proximal attachment
posterior surfaces of the radius, ulna, and interosseous membrane
extensor pollicis longus distal attachment
base of the distal phalanx of digit 1
extensor pollicis longus action
extends MCP and IP of thumb
extensor pollicis longus innervation
posterior interosseous n.
extensor indicis proximal attachment
posterior surfaces of the radius, ulna, and interosseous membrane
extensor indicis distal attachment
extensor expansion of digit 2
extensor indicis action
extends digit 2
extensor indicis innervation
posterior interosseous n.
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