antebrachial extensors Flashcards
extensor carpi radialis longus and brevis: MA
extend the wrist
radial deviate the wrist
extensor carpi radialis longus:PA
lateral supra epicondylar ridge of humerus
extensor carpi radialis longus: DA
dorsal aspect of base of 2nd metacarpal
extensor carpi radialis brevis: PA
common extensor tendon from lateral epicondyle of humerus
extensor carpi radialis brevis: DA
dorsal aspect of base of 3rd metacarpal
extensor carpi radialis longus and brevis: IN
radial nerve (C6, C7, and C8)
extensor digitorum: MA
extends medial 4 digits
extensor digitorum: PA
lateral epicondyle of the humerus
extensor digitorum: DA
extensor expansions of medial four digits
extensor digitorum: IN
radial nerve ( C7, C8)
extensor digiti minimi: MA
extend the 5th digit
extensor digiti minimi: PA
lateral epicondyle of humerus
extensor digiti minimi: DA
extensor expansion of 5th digit
extensor digiti minimi: IN
radial nerver (C7,C8)
extensor carpi ulnaris: MA
extend wrist
ulnar deviate the wrist
active during first clenching
extensor carpi ulnaris: PA `
common extensor tendon from lateral epicondyle of humerus
extensor carpi ulnaris: DA
base of 5th metacarpal
extensor carpi ulnaris: IN
radial nerver C7 and C8
supinator: MA
supinates the forearm
supinator: PA
lateral epicondyle of humerus
radial collateral and anular ligaments
superior fossa
crest of ulna
supinator: DA
lateral, posterior , and anterior surfaces of proximal third of radius
supinator: IN
radial nerver (C7 and C8)
extensor indicis: MA
extend the 2nd digit
may assist to extend the wrist
extensor indicis: PA
posterior surface of distal third of ulna and interosseous membrane
extensor indicis: DA
extensor expansion of 2nd digit
extensor indicis: IN
radial nerve C7 and C8
abductor pollicis longus: MA
radially abduct the thumb
extend the thumb
abductor pollicis longus: PA
postioer surface of proximal halves of ulna , radius and interosseous membrane
abductor pollicis longus: DA
base of 1st metacarpal
abductor pollicis longus:: IN
radial nerver (C7 and C8)
extensor pollicis brevis and longus: MA
extend the thumb (IP joint) EPL only
extend the thumb (MCP and CMC joints)
extensor pollicis brevis: PA
posterior surface of ulna and interosseous membrane
extensor pollicis brevis: DA
base of proximal phalanx of thumb
extensor pollicis longus: PA
posterior surface of ulna and interosseous membrane
extensor pollicis longus: DA
base of distal phaalanx of thumb
extensor pollicis brevis and longus: IN
radial nerve (C7 and C8)
