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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
gluteus medius innervation
superior gluteal nerve
26
gluteus medius function
abduct and medially rotate
27
gluteus minimus origin
between anterior and inferior gluteal line on ilium
28
gluteus minimus insertion
greater trochanter of femur
29
gluteus minimus innervation
superior gluteal nerve
30
gluteus minimus function
abduct and medially rotates, secures pelvis to prevent pelvic drop on locomotion
31
tensor fasciae lata origin
anterior iliac crest - ASIS
32
tensor fasciae lata insertion
iliotibial tract which inserts onto lateral condyle of tibia
33
tensor fasciae lata innervation
superior gluteal nerve
34
tensor fasciae lata function
tightens iliotibial tract helps abduct and medially rotate hip supportive role in gait cycle
35
piriformis origin
anterior sacrum
36
piriformis insertion
greater trochanter
37
piriformis innervation
nerve to piriformis
38
piriformis function
lateral rotation and abduction
39
obturator internus origin
deep surface of obturator membrane and surrounding bone
40
obturator internus insertion
greater trochanter
41
obturator internus innervation
nerve to obturator internus
42
obturator internus function
laterally rotate and abduct hip
43
gemellus superior origin
external ischial spine
44
gemellus superior insertion
OI tendon and greater trochanter
45
gemellus superior innervation
nerve to obturator internus
46
gemellus superior function
laterally rotates and abducts
47
gemellus inferior origin
ischial tuberosity
48
gemellus inferior insertion
OI tendon and greater trochanter
49
gemellus inferior innervation
nerve to quadratus femoris
50
gemellus inferior function
laterally rotate and abduct
51
quadratus femoris origin
ischial tuberosity
52
quadratus femoris insertion
quadrate tuberosity on intertrochanteric crest
53
quadratus femoris innervation
nerve to quadratus femoris
54
quadratus femoris function
lateral rotation
55
iliopsoas origin
psoas major: lumbar vertebrae | iliacus: iliac fossa
56
iliopsoas insertion
lesser trochanter
57
iliopsoas innervation
psoas major: anterior rami L1-3 | iliacus: femoral nerve
58
iliopsoas function
flex hip
59
vastus lateralis origin
greater trochanter and lateral lip of linea aspera
60
vastus lateralis insertion
patella via patella tendon
61
vastus lateralis innervation
femoral nerve
62
vastus lateralis function
extend knee
63
vastus intermedius origin
anterior and lateral femoral shaft
64
vastus intermedius insertion
patella via patella tendon
65
vastus intermedius innervation
femoral nerve
66
vastus intermedius function
extend knee
67
vastus medialis origin
intertrochanteric line
68
vastus medialis insertion
patella
69
vastus medialis innervation
femoral nerve
70
vastus medialis function
extend knee and stabilise patella
71
rectus femoris origin
ilium superior to acetabulum
72
rectus femoris insertion
quadriceps tendon
73
rectus femoris innervation
femoral nerve
74
rectus femoris funtion
flex hip and extend knee
75
sartorius origin
ASIS
76
sartorius insertion
superior medial tibia
77
sartorius innervation
femoral nerve
78
sartorius function
hip: flex, abduct and laterally rotate knee: flex
79
pectineus origin
pectineal line of pubic bone
80
pectineus insertion
pectineal line on posterior femur
81
pectineus innervation
femoral nerve - may receive branch from obturator nerve
82
pectineus function
adduct and flex hip
83
adductor magnus origin
adductor part: inferior pubic ramus | hamstring part: ischial tuberosity
84
adductor magnus insertion
adductor part: linea aspera of femur | hamstring part: adductor tubercle and medial supracondylar line of femur
85
adductor magus innervation
adductor part: obturator nerve | hamstring part: tibial nerve (L4-S3)
86
adductor magnus function
both adduct the thigh adductor part flexes hamstring part extends
87
adductor longus origin
pubis
88
adductor longus insertion
linea aspera
89
adductor longus innervation
obturator nerve (L2-4)
90
adductor longus function
adducts and medially rotates thigh
91
adductor brevis origin
body of pubis and inferior pubic rami
92
adductor brevis insertion
linea aspera and posterior femur proximal to adductor longus
93
adductor brevis innervation
obturator nerve
94
adductor brevis function
adducts thigh
95
obturator internus origin
obturator membrane and associated bone
96
obturator internus insertion
greater trochanter
97
obturator internus innervation
obturator nerve
98
obturator internus function
laterally rotates thigh
99
gracilis origin
inferior rami and body of pubis
100
gracilis insertion
medial tibia between tendons of sartorius and semitendinosus
101
gracilis innervation
obturator nerve
102
gracilis funtion
adducts hip and flexes knee
103
biceps femoris origin
long head: ischial tuberosity | short head: linea aspera - posterior femur
104
biceps femoris insertion
head of fibula
105
biceps femoris innervation
Long head: tibial part of sciatic nerve | short head: common fibular part of sciatic nerve
106
semitendinosus origin
ischial tuberosity
107
semitendinosis insertion
medial tibia
108
semitendinosis innervation
tibial part of sciatic nerve
109
semitendinosus function
flex knee, extend thigh, medially rotate at knee and hip
110
semimembranosus origin
ischial tuberosity
111
semimembranosus insertion
medial tibial condyle
112
semimembranosus innervation
tibial part of sciatic nerve
113
semimembranosus function
flex knee, extend thigh, medially rotate hip and knee

Movement (8 decks)

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