L9: The lower-limb the hip Flashcards

1
Q

actions of the hip joint (5)

A
flexion 
extension 
abduction 
adduction 
circumduction
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2
Q

which trochanter is more superior and lateral

A

greater trochanter

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3
Q

anterior line between the trochanters

A

intertrochanteric line

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4
Q

posterior line between the trochanters

A

intertrochanteric crest

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5
Q

1/4 of gluteus maximus inserts onto

A

gluteal tuberosity on posterior femur

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6
Q

what is distal from the gluteal tuberosity

A

linea aspera

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7
Q

what inserts onto the linear aspera

A

adductor muscles from the medial compartment of thigh

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8
Q

where does the head of the femur sit

A

acetabulum

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9
Q

which bones meet in the acetabulum

A

pubis, ischium and ilium

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10
Q

what is at the inferior surface of the acetabulum

A

transverse acetabular ligament

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11
Q

what does the transverse acetabular ligament allow

A

blood vessels to access the head of the femur

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12
Q

3 ligaments from the bones of the pelvis

A

iliofemoral
pubofemoral
ischiofemoral

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13
Q

weakest ligament from the pelvis

A

ischiofemoral

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14
Q

strongest ligament of pelvis

A

iliofemoral

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15
Q

what do most hip fractures displace

A

shenton’s line

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16
Q

what two muscles form iliopsoas

A

psoas major

iliacus

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17
Q

what muscle has the lumbar plexus embedded into it

A

psoas major

18
Q

when are psoas major and iliacus considered the same muscle

A

once passed the inguinal ligament

19
Q

femoral artery splits into

A

profunda femoris + deep femoral artery

20
Q

deep femoral artery branches into

A

circumflex arteries

21
Q

what artery goes towards the greater trochanter

A

lateral circumflex

22
Q

what artery goes towards the lesser trochanter

A

medial circumflex

23
Q

what arteries come from the circumflex and anastomosis

A

retinacular arteries

24
Q

main blood supply to NOF =

A

retinacular arteries

25
Q

artery to NOF that is small in adults but big in children

A

artery to the head of the femur (also called foveolar)

26
Q

NOF fracture causes

A
  • shortened limb
  • external rotation of limb
  • retinacular arteries torn (avascular necrosis)
27
Q

inferior gluteal nerve innervates

A

gluteus maximus

28
Q

3/4 of gluteus maximus attaches to

A

the iliotibial tract

29
Q

trendelenburg gait

A

lesion in superior gluteal nerve or its spine roots –> hip drop on contralateral side

30
Q

which part of the sciatic nerve is more likely to deviate

A

common fibular nerve (comes through or above piriformis)

31
Q

which hip movements share L2 and L3

A

flexion

adduction

32
Q

which hip movements share L4 L5

A

extension

abduction

33
Q

muscles of hip flexion=

A

iliopsoas
sartorius
rectus femoris
pectineus

34
Q

muscles of flexion come from which nerve

A

lumbar plexus and femoral nerve

35
Q

muscles of hip extension=

A

gluteus maximus
hamstrings
short gluteal muscles

36
Q

nerve of extension

A

inferior gluteal nerve
tibial nerve
lumbosacral plexus

37
Q

muscles of adduction

A

adductors
pectineus
gracilis

38
Q

nerve of adduction=

A

obturator nerve

39
Q

muscles of abduction

A

gluteus medius
gluteus minimus
tensor fascia latae

40
Q

nerve of abduction

A

superior gluteal nerve