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Movement > Pelvis and hip joint > Flashcards

Pelvis and hip joint Flashcards

1
Q

Female pelvis

A

pelvic inlet circular
broader alae
pubic arch angle larger
ischial spines project less medially

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2
Q

Male pelvis

A

heart shaped pelvic inlet
smaller pelvic angles
ischial spines project more medially

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3
Q

What stabilises the hip joint?

A

acetabular anatomy
fibrous capsule
Ligaments - iliofemoral, pubofemoral, ischiofemoral

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4
Q

What shape is the articular surface of the acetabulum?

A

smooth and crescent shape

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5
Q

what is the acetabular labrum?

A

a rim/ lip of cartilage

which deepens the articular surface

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6
Q

What are the attachments of the fibrous capsule?

A

proximal - encircles rim of acetabulum

distal - femoral neck (intertrochanteric line and greater trochanter)

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7
Q

What does the iliofemoral ligament do?

A

Covers hip joint superiorly and anteriorly

prevents hyperextension of the hip when standing

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8
Q

what does the pubofemoral ligment do?

A

covers hip joint inferiorly and anteriorly

prevents excessive abduction

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9
Q

what does the ischiofemoral ligament do?

A

covers posteriorly

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10
Q

Which ligament is the strongest

A

iliofemoral

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11
Q

which ligament is the weakest

A

ischiofemoral

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12
Q

Pubic rami fracture

A

common

break in two places

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13
Q

What is the appearance of a posteriorly dislocated hip

A

shortened and internally rotated

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14
Q

How does a posterior dislocation occur?

A

impact when hip is flexed, internally rotated, adducted = seated position

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15
Q

What may also result from a posterior hip dislocation

A

sciatic nerve injury (L4-S3)

acetabular fracture

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16
Q

What is the appearance of the leg with an anterior dislocation?

A

externally rotated, abducted and flexed

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17
Q

What is a common problem with hip injuries?

A

avascular necrosis

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18
Q

What is DDH

A

developmental dysplasia of the hip

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19
Q

What are the possible movements at the hip?

A 
flexion 
extension 
abduction 
adduction 
external and internal rotation
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20
Q

gluteus maximus origin

A

posterior ilium, sacrum and coccyx

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21
Q

gluteus maximus insertion

A

iliotibial tract and gluteal tuberosity

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22
Q

gluteus maximus innervation

A

inferior gluteal nerve (L5, S1, S2)

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23
Q

gluteus medius origin

A

posterior ilium

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24
Q

gluteus medius insertion

A

lateral surface of greater trochanter

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25
Q

gluteus medius innervation

A

superior gluteal nerve

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26
Q

gluteus medius function

A

abduct and medially rotate

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27
Q

gluteus minimus origin

A

between anterior and inferior gluteal line on ilium

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28
Q

gluteus minimus insertion

A

greater trochanter of femur

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29
Q

gluteus minimus innervation

A

superior gluteal nerve

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30
Q

gluteus minimus function

A

abduct and medially rotates, secures pelvis to prevent pelvic drop on locomotion

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31
Q

tensor fasciae lata origin

A

anterior iliac crest - ASIS

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32
Q

tensor fasciae lata insertion

A

iliotibial tract which inserts onto lateral condyle of tibia

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33
Q

tensor fasciae lata innervation

A

superior gluteal nerve

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34
Q

tensor fasciae lata function

A

tightens iliotibial tract
helps abduct and medially rotate hip
supportive role in gait cycle

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35
Q

piriformis origin

A

anterior sacrum

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36
Q

piriformis insertion

A

greater trochanter

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37
Q

piriformis innervation

A

nerve to piriformis

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38
Q

piriformis function

A

lateral rotation and abduction

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39
Q

obturator internus origin

A

deep surface of obturator membrane and surrounding bone

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40
Q

obturator internus insertion

A

greater trochanter

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41
Q

obturator internus innervation

A

nerve to obturator internus

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42
Q

obturator internus function

A

laterally rotate and abduct hip

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43
Q

gemellus superior origin

A

external ischial spine

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44
Q

gemellus superior insertion

A

OI tendon and greater trochanter

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45
Q

gemellus superior innervation

A

nerve to obturator internus

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46
Q

gemellus superior function

A

laterally rotates and abducts

47
Q

gemellus inferior origin

A

ischial tuberosity

48
Q

gemellus inferior insertion

A

OI tendon and greater trochanter

49
Q

gemellus inferior innervation

A

nerve to quadratus femoris

50
Q

gemellus inferior function

A

laterally rotate and abduct

51
Q

quadratus femoris origin

A

ischial tuberosity

52
Q

quadratus femoris insertion

A

quadrate tuberosity on intertrochanteric crest

53
Q

quadratus femoris innervation

A

nerve to quadratus femoris

54
Q

quadratus femoris function

A

lateral rotation

55
Q

iliopsoas origin

A

psoas major: lumbar vertebrae

iliacus: iliac fossa

56
Q

iliopsoas insertion

A

lesser trochanter

57
Q

iliopsoas innervation

A

psoas major: anterior rami L1-3

iliacus: femoral nerve

58
Q

iliopsoas function

A

flex hip

59
Q

vastus lateralis origin

A

greater trochanter and lateral lip of linea aspera

60
Q

vastus lateralis insertion

A

patella via patella tendon

61
Q

vastus lateralis innervation

A

femoral nerve

62
Q

vastus lateralis function

A

extend knee

63
Q

vastus intermedius origin

A

anterior and lateral femoral shaft

64
Q

vastus intermedius insertion

A

patella via patella tendon

65
Q

vastus intermedius innervation

A

femoral nerve

66
Q

vastus intermedius function

A

extend knee

67
Q

vastus medialis origin

A

intertrochanteric line

68
Q

vastus medialis insertion

A

patella

69
Q

vastus medialis innervation

A

femoral nerve

70
Q

vastus medialis function

A

extend knee and stabilise patella

71
Q

rectus femoris origin

A

ilium superior to acetabulum

72
Q

rectus femoris insertion

A

quadriceps tendon

73
Q

rectus femoris innervation

A

femoral nerve

74
Q

rectus femoris funtion

A

flex hip and extend knee

75
Q

sartorius origin

A

ASIS

76
Q

sartorius insertion

A

superior medial tibia

77
Q

sartorius innervation

A

femoral nerve

78
Q

sartorius function

A

hip: flex, abduct and laterally rotate
knee: flex

79
Q

pectineus origin

A

pectineal line of pubic bone

80
Q

pectineus insertion

A

pectineal line on posterior femur

81
Q

pectineus innervation

A

femoral nerve - may receive branch from obturator nerve

82
Q

pectineus function

A

adduct and flex hip

83
Q

adductor magnus origin

A

adductor part: inferior pubic ramus

hamstring part: ischial tuberosity

84
Q

adductor magnus insertion

A

adductor part: linea aspera of femur

hamstring part: adductor tubercle and medial supracondylar line of femur

85
Q

adductor magus innervation

A

adductor part: obturator nerve

hamstring part: tibial nerve (L4-S3)

86
Q

adductor magnus function

A

both adduct the thigh
adductor part flexes
hamstring part extends

87
Q

adductor longus origin

A

pubis

88
Q

adductor longus insertion

A

linea aspera

89
Q

adductor longus innervation

A

obturator nerve (L2-4)

90
Q

adductor longus function

A

adducts and medially rotates thigh

91
Q

adductor brevis origin

A

body of pubis and inferior pubic rami

92
Q

adductor brevis insertion

A

linea aspera and posterior femur proximal to adductor longus

93
Q

adductor brevis innervation

A

obturator nerve

94
Q

adductor brevis function

A

adducts thigh

95
Q

obturator internus origin

A

obturator membrane and associated bone

96
Q

obturator internus insertion

A

greater trochanter

97
Q

obturator internus innervation

A

obturator nerve

98
Q

obturator internus function

A

laterally rotates thigh

99
Q

gracilis origin

A

inferior rami and body of pubis

100
Q

gracilis insertion

A

medial tibia between tendons of sartorius and semitendinosus

101
Q

gracilis innervation

A

obturator nerve

102
Q

gracilis funtion

A

adducts hip and flexes knee

103
Q

biceps femoris origin

A

long head: ischial tuberosity

short head: linea aspera - posterior femur

104
Q

biceps femoris insertion

A

head of fibula

105
Q

biceps femoris innervation

A

Long head: tibial part of sciatic nerve

short head: common fibular part of sciatic nerve

106
Q

semitendinosus origin

A

ischial tuberosity

107
Q

semitendinosis insertion

A

medial tibia

108
Q

semitendinosis innervation

A

tibial part of sciatic nerve

109
Q

semitendinosus function

A

flex knee, extend thigh, medially rotate at knee and hip

110
Q

semimembranosus origin

A

ischial tuberosity

111
Q

semimembranosus insertion

A

medial tibial condyle

112
Q

semimembranosus innervation

A

tibial part of sciatic nerve

113
Q

semimembranosus function

A

flex knee, extend thigh, medially rotate hip and knee

Movement (8 decks)

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