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253 - anatomy > lecture 7/8: muscles > Flashcards

lecture 7/8: muscles Flashcards

1
Q
A
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2
Q

muscles of the shoudler girle will have insertions and orgins where?

A

clavicle and scapiula and thoraz

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3
Q

what 2 muscles are considered shoulder and shoulder girldle msucles

A

pec major and lat dorsi

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4
Q

msucles of the Shoulder have origins and insertions where

A

between the clavicle, scapula and humerus

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5
Q

what are the 4 msucles of the anterior shoulder girdle

A

pec major
pec mino
seratus anterior
subclavius

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6
Q

be able to locate pec major, pec minoe, subclavius, serratus anterior

A

.

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7
Q

what are the 5 muscles of the posterior shoulder girdle

A
  • Rhomboideus Major
  • Rhomboideus Minor
  • Levator Scapula
  • Trapezius
  • Latissimus Dorsi *
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8
Q

what are the suprior msucles of the shoulder

A

supraspinatus and middle delt

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9
Q

what are the inferior muscles of the shoulder

A

teres major, lat dorsi , long head of triceps brachii

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10
Q

what are the anterior muscles of the shoulder

A

pec major, coracobrac, subscapularis, anterior deltoid, long head of biceps brachii

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11
Q

what are the posterior muscles of the shoulder

A

infraspintus, posterior deltoid, teres minor

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12
Q

what are the 4 msucles of the rottator cuff group

A

infraspintatus
supraspinator
subscapularis
teres minor

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13
Q

is teres major part of the rotator cuff group?

A

no

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14
Q

what is the main purpose of the rotator cuff group?

A

to stabilize the shoulder

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15
Q

what are the anterior muscles of the arm

A

biceps bracii, coraco brac, brachialis

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16
Q

what are the posterior muscles of the arm

A

trcieps bracii

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17
Q

be able to locate the arm muscles

A
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18
Q

what can be included in the name of the forearm muscles

A

origin, insertion, function

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19
Q

where do many of the forearm muscles originate from

A

distal humerus, radius, ulna and interosseaous membrane

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20
Q

which end of the forearm muscles are bulky and which are thin

A

proximal end: bulky bellies

distal end: thin (tendons)

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21
Q

Are the flexors and pronators lcoated anteriorally or posteriorly?

A

anterior

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22
Q

are the extensors and supinators anterior or posterior

A

posterior

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23
Q 
true of false; Flexor Digitorum Superficialis may be classified as a
middle layer (on its own)
A

true (intermediate)

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24
Q

where do most flexors orginate from

A

form a common tendon

at the medial epicondyle of the humerus

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25
Q

true or false: ALL the flexor

muscles are supplied by the median nerve

A

false. flexor carpi ulnaris is by the ulnar nerve and flexor digitorem superfiecialis is median and ulnar

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26
Q

how many superficial muscles of the anterior forearm

A

5

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27
Q

how many deep muscles of the anterior forearm

A

2 (and flex superficialis)

28
Q

what are the 5 superficial anterior forearm muscles

A

pronator teres, flexor carpi radialis, palmaris longus, flexor digitrem superficialis, flexor carpi ulnaris

29
Q

what are the 2/3 deep muscles od the anterior forearm

A

flexor digitorem profundus, flexor pollicis longus, pronator quadratus

30
Q

nbe able to locate the anterior muscles of the forearm

A

l

31
Q

where do most of the posterior muscles of the forearm orgingate from

A

lateral epicondyle

32
Q

what is the general function of the extensor msucles> and what is the exception

A

extensors of fringers and wrist

brachioradialis is a flexor of the forearm

33
Q

what are all the posterior forearms innervated by?

A

radial

34
Q

how many superficial muscles are there of the posterior forearm

A

6

35
Q

how many deep muscles of the posterior forearm

A

5

36
Q

what are the 6 superficial muscles of the posterior forearm

A 
extensor carpi radialis longus
extensor carpi radialis brevis
extensor digitorem
extensor digiti minimi
extensor carpi ulnaris 
anconeus
37
Q

what are the 5 deep muscles of the posterior froearm

A 
supinator
abductor pollicis longus 
extensor pollicis brevis
extensor pollicis longus
extensor indisis
38
Q

be able to label the psoterior muscles of the forearm

A

/

39
Q

what are the 3 tendons of the anatomical snuffbox

A

extensor pollicis longus
extensor pollicis brevis
abductor pollicis longus

40
Q

what are the contents of the anatomical snuffbox

A

radial artery, base of the scaphoid, trapezium

41
Q

muscles that originate outside of hand are called

A

extrinsc

42
Q

muscles that originate and insert in the hand are called

A

intrinsic

43
Q

what are the 3 groups that intrinsic msucles are organized by?

A

lateral : thenar eminence

medial: hypothenar eminence
palmar: deep palmar msucles

44
Q

what are the muscles of the thenar eminance

A

abductor pollicis brevis
flexor pollicis brevis
opponens pollicis
adductor pollicis (transverse and oblique heads)

45
Q

what are the muscles of the thenar innervated by?

A

median (except addcutor pollicic is innervated by ulnar)

46
Q

be able to label the muscles fot he thenar and hypothenar eminence

A

w

47
Q

what are the 3 muscles of the hypothenar emninence

A

Abductor Digiti Minimi
• Flexor Digiti Minimi
• Opponens Digiti Minimi

48
Q

what are the muscles of the hypothenar eminence innervated by

A

• All innervated by Ulnar Nerve

49
Q

what is the msucels that could also be applied to deep palmar group

A

adductor pollicis

50
Q

what are the 3 muscles of the palm

A

dorsal interossei
palmar interossei
lumbricals

51
Q

dorsal inte=rossei has how many moneys

A

4

52
Q

what are the msucles of dorsal intterossie innervated by

A

ulnar

53
Q

where do the dorsal interossei muscels originate from>

A

both sides of metacarpals

54
Q

where do the dorsal interossi insert

A

proximal phalanges 2,3,4

55
Q

what is the function of the dorsal interossei

A

abduct fingers

56
Q

what does the 1st dorsal interossei give you

A

dorsal webbing

57
Q

be able to recognize dorsal interossei/

A

/

58
Q

how many muscles are there in the palmar interossie

A

3 (somtimes 4)

59
Q

what are the muscles of yhr palmar interossei innervated by?

A

ulnar nerve

60
Q

where to the palmar interossei originate>

A

medial side of metacarpales (in relation to middle finger)

61
Q

where do palmar interossei isert

A

proximal phalanges of digits 2, 4, 5

62
Q

what is the fucntion of palmar interossei

A

ADDUCT fingers

63
Q

be able to locate palmar interossie

A
64
Q

how many lumbrical muscels are there

A

4

65
Q

where do the lumbrical muscels originate

A

tendons of Flexor Digitorum Profundus

66
Q

where do the lumbricals insert

A

Insert into extensor expansion 2-5

253 - anatomy (14 decks)

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