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CHA 101 > Post. Forearm, intrinsic hand, pelvic diaphram > Flashcards

Post. Forearm, intrinsic hand, pelvic diaphram Flashcards

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0
Q

extensor carpi radialis longus

A

origin-lateral supracondylar ridge
insertion-base of 2nd metacarpal
action-extends hand, abducts hand
innervation- radial nerve

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1
Q

brachioradialis

A

origin-lateral supracondylar ridge
insertion-distal anterior radius
action-flexes and supinates forearm
innervation-radial nerve

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2
Q

extensor carpi radialis brevis

A

origin- lateral epicondyle
insertion- 3rd metacarpal
action- extend hand, abduct hand
innervation- radial nerve

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3
Q

extensor digitorum

A

origin- lateral epicondyle
insertion- extensor expansion of digits 2-5
action- extends hand, extends MCP digits 2-5
innervation- radial nerve

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4
Q

extensor digiti minimi

A

origin- lateral epicondyle
insertion- extensor expansion of digit 5
action- extension of digit 5 (MCP, PIP, DIP)
innervation- radial nerve

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5
Q

extensor carpi ulnaris

A

origin- lateral epicondyle, ulna
insertion- 5th metacarpal
action- extends wrist, adducts hand

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6
Q

supinator

A

origin- lateral epicondyle, ulna
insertion- radial shaft (proximal to pronator teres)
action- supinates forearm
innervation- radial nerve

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7
Q

abductor pollicis longus

A

origin- interosseous membrane, posterior ulna, radius
insertion- base of 1st metacarpal
action- abducts digit 1, extension of digit 1 at CMC joint
innervation- radial nerve

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8
Q

extensor pollicis brevis

A

origin- interosseous membrane, radius
insertion- proximal phalanx of digit 1
action- extends digit 1 @ MCP
innervation- radial nerve

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9
Q

extensor pollicis longus

A

origin- interosseous membrane, ulna
insertion- distal phalanx of digit 1
action- extends digit 1 at IP joint

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10
Q

extensor indicus

A

origin- interosseous membrane, ulna
insertion- extensor expansion of digit 2
action- extension of digit 2
innervation- radial nerve

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11
Q

abductor pollicis brevis

A

origin- flexor retinaculum, schaphoid, trapezium
insertion- proximal phalanx of thumb
action- abducts thumb, aids in opposition
innervation- recurrent branch of median nerve

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12
Q

flexor pollicis brevis

A

origin- flexor retinaculum, trapezium
insertion- proximal phalanx of thumb
action- flexes digit 1, aids opposition
innervation- recurrent branch of median nerve

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13
Q

opponens pollicis

A

origin- flexor retinaculum, trapezium
insertion - lateral side of 1st metacarpal
action- opposes digit 1
innervation- recurrent branch of median nerve

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14
Q

adductor pollicis

A

origin- metacarpals 2,3
insertion- medial surface of 1st proximal phalanx
action- adducts thumb, assists opposition
innervation- ulnar nerve

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15
Q

abductor digiti minimi

A

origin- pisiform
insertion- medial side of proximal phalanx digit 5
action- abducts digit 5
innervation- ulnar

16
Q

flexor digiti minimi

A

origin- flexor retinaculum, hamate
insertion- medial side of proximal phalanx digit 5
action- flexes proximal phalanx of digit 5
innervation- ulnar nerve

17
Q

opponens digiti minimi

A

origin- flexor retinaculum, hamate
insertion- medial border of 5th metacarpal
action- opposes digit 5 to thumb
innervation- ulnar nerve

18
Q

lumbricals

A

origin- lateral side of tendons of flexor digitorum profundus
insertion- lateral sides of extensor expansion digits 2-5
action- flex MP joints, extend IP joints
innervation- median nerve (1,2) ulnar nerve (3,4)

19
Q

palmar interossei

A

origin- palmar surface of metacarpals 2, 4, 5
insertion- extensor expansions of digits 2, 4, 5
action- adduct digits, flex MP, extend IP
innervation- ulnar nerve

20
Q

dorsal interossei

A

origin- adjacent sides of two metacarpal bones
insertion- lateral sides of extensor expansion of digits 2-4
action- abduct digits, flex MP, extend IP
innervation- ulnar

21
Q

puborectalis

A

origin- pubis
insertion- pubis
part of levator ani and pelvic diaphram

22
Q

pubococcygeus muscle

A

origin-pubis
insertion-coccyx
part of levator ani and pelvic diagram

23
Q

iliococcygeus muscle

A

origin- tendonous arch
insertion- coccyx
part of levator ani and pelvic diaphram

24
Q

coccygeus

A

origin- ischial spine and part of sacrospinous tendon
insertion- coccyx
part of pelvic diaphram

25
Q

piriformis muscle

A

exits through greater foramen

lateral rotator of femur

CHA 101 (4 decks)

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