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Anatomy > Muscles of the Forelimb Part 3 > Flashcards

Muscles of the Forelimb Part 3 Flashcards

1
Q

degree of fusion =

A

how developed the muscles are

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2
Q

supinators of the forearm

A

supinator and brachioradial

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3
Q

dogs have what degree of supination

A

50

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4
Q

cats have what degree of supination

A

over 100

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5
Q

pronators of forearm

A

pronator teres and pronator quadratus

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6
Q

What muscle is not always constant

A

brachioradial

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7
Q

brachioradial origin

A

proximal part of the crest of lateral epicondyle

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8
Q

brachioradial insertion

A

distal radius, proximal 1/4

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9
Q

brachioradial action

A

supination of antebrachium

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10
Q

brachioradial innervation

A

radial nerve

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11
Q

supinator shape

A

short, broad, flat, oblique

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12
Q

supinator origin

A

lateral epicondyle of humerus

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13
Q

supinator insertion

A

cranial aspect of proximal radius

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14
Q

supinator action

A

supination of antebrachium, elbow flexion

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15
Q

supinator innervation

A

radial nerve

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16
Q

pronator teres is found in between

A

Extensor carpi radialis and Flexor carpi radialis

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17
Q

pronator teres origin

A

medial epicondyle of humerus

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18
Q

pronator teres insertion

A

medial border of radius between proximal and middle thirds

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19
Q

pronator teres action

A

pronation, flex elbow

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20
Q

pronator teres innervation

A

median nerve

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21
Q

pronator teres shape

A

rounded proximally, flat distally

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22
Q

pronator quadratus fills in space between:

A

radius and ulna

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23
Q

pronator quadratus fibers run:

A

transversely between ulna and radius

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24
Q

pronator quadratus origin and insertion

A

SAME: apposed surfaces of the radius and ulna

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25
Q

pronator quadratus action

A

pronate paw

26
Q

pronator quadratus innervation

A

median nerve

27
Q

extensors of carpus located

A

cranio dorso lateral side

28
Q

flexors of carpus located

A

caudal palmar side

29
Q

extensors of carpus arise from:

A

lateral epicondyle of humerus

30
Q

flexors of carpus arise from:

A

medial epicondyle of humerus

31
Q

extensor carpi radialis origin

A

lateral supracondylar crest

32
Q

extensor carpi radialis insertion

A

tuberosities on dorsal aspect of proximal metacarpals II and III

33
Q

extensor carpi radialis action

A

extension of carpus

34
Q

extensor carpi radialis innervation

A

radial nerve

35
Q

extensor carpi ulnaris origin

A

lateral epicondyle of humerus

36
Q

extensor carpi ulnaris insertion

A

lateral aspect of proximal metacarpal V and accessory carpal bone

37
Q

extensor carpi ulnaris action

A

extension of carpus, abduction of carpus

38
Q

extensor carpi ulnaris innervation

A

radial nerve

39
Q

flexor carpi ulnaris heads

A

ulnar and humeral

40
Q

extensor carpi radialis held in place by

A

extensor retinaculum

41
Q

flexor carpi ulnaris ulnar head origin

A

caudomedial aspect of olecranon

42
Q

flexor carpi ulnaris insertion

A

accessory carpal bone

43
Q

flexor carpi ulnaris action

A

flexion of carpus

44
Q

flexor carpi ulnaris innervation

A

ulnar nerve

45
Q

flexor carpi ulnaris humeral head origin

A

medial epicondyle of humerus

46
Q

flexor carpi radialis passes through

A

carpal canal

47
Q

carpal canal is created by

A

flexor retinaculum

48
Q

flexor carpi radialis origin

A

medial epicondyle of humerus, medial aspect of radius

49
Q

flexor carpi radialis insertion

A

palmar aspect of proximal metacarpals II and III

50
Q

flexor carpi radialis action

A

carpal flexion

51
Q

flexor carpi radialis innervation

A

median nerve

52
Q

extensor muscles of digits

A

common digital extensor, lateral digital extensor, extensor 1st and 2nd digit, long absuctor of 1st digit

53
Q

flexor muscles of digits

A

superficial digital flexor, deep digital flexor, interflexor

54
Q

common digital extensor origin

A

lateral epicondyle of humerus

55
Q

common digital extensor insertion

A

extensor processes of distal phalanges of digits II to V

56
Q

common digital extensor action

A

extension of digits II to V, extension of carpus

57
Q

common digital extensor innervation

A

radial nerve

58
Q

extensor digitorum lateralis origin

A

lateral epicondyle of humerus

59
Q

extensor digitorum lateralis insertion

A

proximal ends of digits III to V

60
Q

extensor digitorum lateralis action

A

extension of carpus and joints of digits III to V

61
Q

extensor digitorum lateralis innervation

A

radial nerve

Anatomy (29 decks)

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