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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
true or false: ALL the flexor | muscles are supplied by the median nerve
false. flexor carpi ulnaris is by the ulnar nerve and flexor digitorem superfiecialis is median and ulnar
26
how many superficial muscles of the anterior forearm
5
27
how many deep muscles of the anterior forearm
2 (and flex superficialis)
28
what are the 5 superficial anterior forearm muscles
pronator teres, flexor carpi radialis, palmaris longus, flexor digitrem superficialis, flexor carpi ulnaris
29
what are the 2/3 deep muscles od the anterior forearm
flexor digitorem profundus, flexor pollicis longus, pronator quadratus
30
nbe able to locate the anterior muscles of the forearm
l
31
where do most of the posterior muscles of the forearm orgingate from
lateral epicondyle
32
what is the general function of the extensor msucles> and what is the exception
extensors of fringers and wrist brachioradialis is a flexor of the forearm
33
what are all the posterior forearms innervated by?
radial
34
how many superficial muscles are there of the posterior forearm
6
35
how many deep muscles of the posterior forearm
5
36
what are the 6 superficial muscles of the posterior forearm
``` extensor carpi radialis longus extensor carpi radialis brevis extensor digitorem extensor digiti minimi extensor carpi ulnaris anconeus ```
37
what are the 5 deep muscles of the posterior froearm
``` supinator abductor pollicis longus extensor pollicis brevis extensor pollicis longus extensor indisis ```
38
be able to label the psoterior muscles of the forearm
/
39
what are the 3 tendons of the anatomical snuffbox
extensor pollicis longus extensor pollicis brevis abductor pollicis longus
40
what are the contents of the anatomical snuffbox
radial artery, base of the scaphoid, trapezium
41
muscles that originate outside of hand are called
extrinsc
42
muscles that originate and insert in the hand are called
intrinsic
43
what are the 3 groups that intrinsic msucles are organized by?
lateral : thenar eminence medial: hypothenar eminence palmar: deep palmar msucles
44
what are the muscles of the thenar eminance
abductor pollicis brevis flexor pollicis brevis opponens pollicis adductor pollicis (transverse and oblique heads)
45
what are the muscles of the thenar innervated by?
median (except addcutor pollicic is innervated by ulnar)
46
be able to label the muscles fot he thenar and hypothenar eminence
w
47
what are the 3 muscles of the hypothenar emninence
Abductor Digiti Minimi • Flexor Digiti Minimi • Opponens Digiti Minimi
48
what are the muscles of the hypothenar eminence innervated by
• All innervated by Ulnar Nerve
49
what is the msucels that could also be applied to deep palmar group
adductor pollicis
50
what are the 3 muscles of the palm
dorsal interossei palmar interossei lumbricals
51
dorsal inte=rossei has how many moneys
4
52
what are the msucles of dorsal intterossie innervated by
ulnar
53
where do the dorsal interossei muscels originate from>
both sides of metacarpals
54
where do the dorsal interossi insert
proximal phalanges 2,3,4
55
what is the function of the dorsal interossei
abduct fingers
56
what does the 1st dorsal interossei give you
dorsal webbing
57
be able to recognize dorsal interossei/
/
58
how many muscles are there in the palmar interossie
3 (somtimes 4)
59
what are the muscles of yhr palmar interossei innervated by?
ulnar nerve
60
where to the palmar interossei originate>
medial side of metacarpales (in relation to middle finger)
61
where do palmar interossei isert
proximal phalanges of digits 2, 4, 5
62
what is the fucntion of palmar interossei
ADDUCT fingers
63
be able to locate palmar interossie
64
how many lumbrical muscels are there
4
65
where do the lumbrical muscels originate
tendons of Flexor Digitorum Profundus
66
where do the lumbricals insert
Insert into extensor expansion 2-5

253 - anatomy (14 decks)

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