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Anatomy > Back and Extremities Non-Clinical > Flashcards

Back and Extremities Non-Clinical Flashcards

1
Q

vertebrae vs spinal nerves

A

vert: 7C, 12T, 5L, 5S, 3-4cc
SN: 8C, 12T, 5L, 5S, 1cc

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2
Q

C vs T vs L

A

C: small, mobile, bifid SP, small TP w/ hole (for vert arts)
T: heart shaped, longer processes, articulate w/ ribs
L: kidney shaped bodies, biggest proocesses

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3
Q

C vs T vs L

A

C: small, mobile, bifid SP, small TP w/ hole (for vert arts)
T: heart shaped, longer processes, articulate w/ ribs
L: kidney shaped bodies, biggest proocesses

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4
Q

atlas weirdness

A

no vertebral body
no SP
OA joint = skull on C1 (flex/extend - yes)

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5
Q

axis weirdness

A

dens (stole body from C1)

AA joint = C1 on C2 (rotational - no)

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6
Q

ant long lig (where and resists)

A

ant surface of vert bodies

resist hyperextension

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7
Q

post long lig (where and resists)

A

post surface of vert bodies

resist hyperflexion

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8
Q

ligamentum flava

A

post of vert foramen

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9
Q

interspinous lig

A

between SPs

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10
Q

conus medullaris

A

tapered end of spinal cord
ends about level of L2
contains cell bodies of SNs S4, S5 and Co

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11
Q

meninges inf broder

A

extend down to S2

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12
Q

cauda equina

A

nerve roots project below conus medullaris
lumbosacral SNs project downm exit via intervertebral foramen
all nerves covered by pia mater

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13
Q

cauda equina

A

nerve roots project below conus medullaris
lumbosacral SNs project downm exit via intervertebral foramen
all nerves covered by pia mater

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14
Q

SN locations relative to verts

A

C: exit superior to corresponding (C8 above T1)

T, L: nerves exit inferior to vert

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15
Q

SN - sensory vs motor

A

all are mixed

only roots are separate

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16
Q

parts of IVDs

A

anulus fibrosis - ring of fibrocartilage, thicker ant, outside part
nucleus pulposus: more gelatinous, interior, slightly more post

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17
Q

superficial back muscles

A

trapezius
latissimus dorsi
levator scapulae
rhomboid major/minor

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18
Q

superficial back muscle actions

A

move upper limb

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19
Q

superficial back muscle innervations

A

all innervated by ventral rami except traps (accessory nerve - CN XI)

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20
Q

deep back muscles

A

iliocostalis
longissimus
spinalis
(together called erector spinae)

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21
Q

deep back muscle attachments

A

iliocostalis - ribs
longissimus - TPs
spinalis - SPs

22
Q

deep back muscles actions

A

extend vert column

23
Q

deep back muscles innervations

A

dorsal rami

24
Q

deeper deep back muscles

A

semispinalis
multifidus
rotares
(together called transversospinalis)

25
Q

deeper deep back muscle actions

A

rotate vert column

26
Q

deeper deep back muscle innervations

A

dorsal rami

27
Q

deeper deep back muscle innervations

A

dorsal rami

28
Q

shoulder elevation muscles

A

trapezius (superior)

levator scapulae

29
Q

shoulder depression muscles

A

traps (inferior)

lats dorsii

30
Q

shoulder protraction (anterolaterally) muscles

A 
serratus anterior
pec minor (weak)
31
Q

shoulder retractions (posterior-medially)

A

traps (middle)

rhomboids

32
Q

shoulder lateral rotation (abduction) muscles

A 
serratus anterior (inferior)
traps (inf and sup)
33
Q

medial rotation (adduction) muscles

A

rhomboids
levator scapulae
pec minor

34
Q

medial rotation (adduction) muscles

A

rhomboids
levator scapulae
pec minor

35
Q

shoulder flexion muscles

A

deltoid (ant)
pec major
biceps (both heads)
coracobrachialis

36
Q

shoulder extension muscles

A

lats dorsi
teres major
triceps
deltoid (post)

37
Q

shoulder abduction muscles

A

deltoid (mid)

supraspinatus (first 15 deg)

38
Q

shoulder adduction muscles

A

pec major
lat dorsi
teres major

39
Q

shoulder lateral rotation muscles

A

infraspinatus

teres minor

40
Q

shoulder medial rotation muscles

A

subscapularis

41
Q

rotator cuff muscles

A

SITS -( all scapula to humerus)
supraspinatus
infraspinatus

42
Q

rotator cuff muscles

A 
SITS -( all scapula to humerus)
supraspinatus
infraspinatus
teres minor
subscapularis
43
Q

rotator cuff muscles

A 
SITS -( all scapula to humerus)
supraspinatus
infraspinatus
teres minor
subscapularis
44
Q

NV bundle under traps

A

accessory nerve and transverse cervical art (superficial branch)

45
Q

NV bundle under rhomboids

A

dorsal scapular n and transverse cervical art (deep branch)

46
Q

NV bundle under supraspinatus

A

suprascapular n and art

47
Q

NV under infraspinatus and teres minor

A

axillary n and post cicumflex humeral art

48
Q

NV under triceps

A

radial n and deep brachial art

49
Q

lateral cord –>

A

musculocutaneous and median

50
Q

median cord –>

A

median and ulnar n

51
Q

posterior –>

A

axillary and radial n

52
Q

quadrangular space

A

subscap/teres minor above
teres major below
long head of triceps medially
humerus laterally

Anatomy (9 decks)

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