Upper Limb II: The Arm and Forearm Flashcards Preview

Exam 3- Anatomy > Upper Limb II: The Arm and Forearm > Flashcards

Flashcards in Upper Limb II: The Arm and Forearm Deck (138)
Loading flashcards...
121

distal attachment of extensor indicis

extensor expansion of 2nd finger

122

actions of extensor indicis

independent extension of 2nd finger

helps with extension of wrist

123

innervation of extensor indicis

posterior interosseous nerve

124

proximal attachment of abductor pollicis longus

posterior surface of proximal ulna and radius, interosseous membrane

125

distal attachment of abductor pollicis longus

base of 1st metacarpal

126

innervation of abductor pollicis longus

posterior interosseous nerve

127

actions of abductor pollicis longus

abducts thumb and extends at carpometacarpal joint

128

proximal attachment of extensor policies brevis

posterior surface of distal radius

interosseous membrane

129

distal attachment of extensor policies brevis

dorsal aspect of proximal phalanx of thumb

130

actions of extensor policies brevis

extends proximal phalanx of thumb at its metacarpophalangeal joint

extends carpometacarpal joint

131

innervation of extensor policies brevis

posterior interosseous nerve

132

proximal attachment of extensor policies longus

posterior surface of the middle ulna

interosseous membrane

133

distal attachment of extensor policies longus

dorsal aspect of base of distal phalanx of thumb

134

actions of extensor policies longus

extends distal phalanx of thumb

extends metacarpophalangeal and carpometacarpal joint

135

innervation of extensor policies longus

posterior interosseous nerve

136

what muscles compose the anatomical snuff box?

extensor pollicis longus
extensor pollicis brevis
abductor pollicis longus

137

what causes a radial nerve injury

fracture to humerus saft

causes wrist drop

138

wrist drop

radial nerve injury

paralysis of the extensors of the wrist and fingers resulting in inability to extend

flexors bak over and wrist assumes a partial flexed positions