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MSK 1 > hip anatomy review > Flashcards

hip anatomy review Flashcards

1
Q

what two planes do we consider the femoral neck in

A

angle of inclination

torsional angle

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2
Q

in the angle of inclination frontal or transverse

A

frontal

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3
Q

is the torsional angle frontal or transverse

A

transverse

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4
Q

why do we care about the nagular characteristic of the hip

A

may have a potential effect on the joint stability of the hip

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5
Q

does the angle chnage throughout devlopment

A

yes

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6
Q

what are the two terms of the angle of inclincation

A

coxa valga and coxa vara

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7
Q

what is the function of the angle of inclination

A

orients the femoral shaft more laterally and provides a better lever arm for the hip abd

angulation of the femoral neck in the frontal plane

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8
Q

what is the normal angle of inclincation

A

125-deg

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9
Q

what is coxa valga

A

when the angle of inclination is greater then 125

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10
Q

what is coxa vara

A

when the nagle of inclination is less then 125

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11
Q

at what angle of inclination is the hip less stable

A

coxa valga

brings the trochanter inwards so it is less efficient and has less of a pull

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12
Q

at what angle of inclincation is the hip more stable

A

coxa vara

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13
Q

what is coxa vara

A

the angle of inclincation is less then 120

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14
Q

is the angle of inclination greater when we are younger or older

A

younger

angle decreases as we age

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15
Q

what is the torsional angle

A

angulation of the femoral neck in the the tranverse plane

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16
Q

what is the normal torsional angle

A

8 -10

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17
Q

what is anteversion

A

increased torsional angle

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18
Q

what is the retroversion

A

decreased torsional angle

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19
Q

toe in or out with anteversion

A

toe in

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20
Q

toe in or out with retroversion

A

toe out

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21
Q

what is the angle of inclination at birth

A

150 at birth and decreases with age

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22
Q

what is the torsional at birth

A

30 -60

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23
Q

what is the acetablum

A

site of articulation with the femoral head

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24
Q

what deepens the acetabulm

A

the fibrocartilgenous labrum

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25
Q

what is the orientation of the the femoral head

A

anterior
lateral
inferior

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26
Q

what is the center angle

A

the degree of overhang of the acetabulmn over the femoral head

center of the femoral head to the lip of the acetabulm

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27
Q

what happens if there is too much over hang

A

impingment

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28
Q

what is the def of dysplagia

A

innsufficient acetabular coverage

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29
Q

what ligament spans the ace notch

A

the transverse notch

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30
Q

what is the function of the labrum

A

increases joint stability

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31
Q

is the joint capsule reinforced

A

yes it has ligamentous reinforcement
z in the front

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32
Q

what are the three movements that are allowed at the hip

A

flex/ext
IR/ER
abd/add

33
Q

how much more converage does the labrum provide

A

20%

34
Q

what are the ligament the reinforce the joint capsule of the hip

A

iliofemoral (ant)
pubofemoral (ant)
ischiofemoral (post)

35
Q

what three muscle make up the iliopsoas

A

illiacus

psoas major and minor

36
Q

what muscle make up the quad

A

rec fem

vastus lateralis, medialis, intermedius

37
Q

what is the function of the satoruis

A

flexes the hip

lateral rot of the hup and abd

38
Q

what muscle make up the add region

A

pectinus
add magnus, brevis , longus

39
Q

what three muscle instert onto the the greater trochnater

A

piriformis

glute min and med

40
Q

what muscle insert onto the greater trochanter ridge

A

sup gemellus
inf gemellus
obertator internus

41
Q

is the hamstring a two joint or one joint muscle group

A

two joint

knee and hip

42
Q

what muscles produce hip flexion

A

quads - rec fem

iliopsoas - primary hip flexor

TFL

43
Q

when is the rec fem most powerful in hip flex

A

when the knee is flexed

44
Q

what muscel produce hip ext

A

glute max - most powerful

hamstring

45
Q

secondary flexors

A

pectinus

sartoruis

garcilius

add longus and magnus

46
Q

what attaches to the pes anserine

A

SGT

sartorius
garcilius
semitendinosis

47
Q

secondary extensors

A

pectinus

add longus and magnus

garcilius

48
Q

what muscle do hip abd

A

glute med - most powerful

glute min

TFL

49
Q

as the hip flexes what happens to the adb power of the glute med

A

it loses the power of abd as the hip flexes and becomes more of a internal rotator

50
Q

trandelenburg sign signifies what

A

weak abd

51
Q

what muscles do hip ADD

A

add magnus - most powerful

add longus - most injuryed

add brevis

pectinus

gracilius

52
Q

what muscle ER the hip

A

piriformis

obturator internus

obturator externus

gemellus inf and sup

quad femoris

53
Q

what are 2ndary ER

A

glute med and max

sartorius

54
Q

what does hip IR

A

this is not a primary function of any of the muscle at the hip

TFL and the naterior fibers of glute med and min contribute

55
Q

alvusion frcatures and rec fem

A

AIIS

56
Q

alvusion frcatures and hamstrings

A

ischial tube

57
Q

alvusion frcatures and sartoruis

A

asis

58
Q

alvusion frcatures and adductor longus

A

pubis

59
Q

where are bursa located

A

near tendons and joint

60
Q

what is bursitis

A

when the bursa become inflammed and painful

61
Q

where are the bursa located in the hip

A

iliopsoas

trochanteric

ischial

62
Q

what muscle does the lumbar plexus pass through

A

psoas muscle

63
Q

anterior hip nerve

A

femoral

64
Q

posterior hip nerve

A

sciatic

65
Q

anerior medial nevre

A

obturator nerve

66
Q

where does the femoral art run

A

anterior hip and leg region

67
Q

what makes up the femoral trinangle

A

borders: inguinal ligament, abd longus, sartourius,

floor: pectinus, and iliopsoas

what runs: femoralart, vien, nerve, inguinal lymph nodes

68
Q

what is the loose pack position for the hip

A

30 flex. 30 abd . and some ER

position of most ligament laxity

69
Q

what is the closed packed position for the hip

A

ext

slight abd

some IR

not the usual position for dislocation

70
Q

hip arthro - roll and glide NW

A

oppostie

71
Q

hip arthro - flexion

A

anterior + sup roll
posterior + inf glide

72
Q

hip arthro - ext

A

post + inf roll
ant + sup glide

73
Q

hip arthro - abd

A

sup + lat roll
inf + medial glide

74
Q

hip arthro - add

A

inf + medial roll
sup + lat glide

75
Q

hip arthro - IR

A

ant roll
post glide

76
Q

hip arthro - ER

A

post roll
ant glide

77
Q

what muscle is most inloved in the SI joint

A

the piriformis

contraction of this muscle can cause torsion of the innominate

78
Q

what muscle cause anterior rotation of the innominate

A

ilipsoas and rec fem

79
Q

what muscle group causes posterior rotation of the innominate

A

hamstring group

MSK 1 (14 decks)

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