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anatomy > LL1. anterior/medial thigh > Flashcards

LL1. anterior/medial thigh Flashcards

1
Q

general action of anterior thigh

A

extension of knee/flex hip

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2
Q

action of rectus femoris

A

flexes hip joint

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3
Q

function of iliopsoas muscle

A

flexion of hip

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4
Q

insertion of iliopsoas

A

lesser trochanter of femur

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5
Q

innervation of anterior thigh

A

femoral nerve
-> originates from lumbar segments of spine
-> emerges from pelvis under inguinal ligament at front of thigh

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6
Q

blood supply to anterior thigh

A

femoral artery (continuation of external ileac artery)

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7
Q

The main movements that occur at the hip (acting on the thigh) and at the knee

A

Flexion, extension abduction and adduction of the thigh
Medial and lateral rotation at the hip
Flexion and extension of the knee

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8
Q

contents of femoral triangle (medial->lateral)

A
  • Femoral vein
  • Femoral artery
  • Femoral nerve
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9
Q

origin and insertion of muscles in medial thigh

A

originate in pelvis and insert in femur

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10
Q

general action of muscles in medial thigh

A

adduction, antagonises buttocks muscles to support hip

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11
Q

inntervation of muscles in medial thigh

A

obturator nerve (from lumbar spinal cord)

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12
Q

blood supply of medial thigh

A

perforating branches of deep branch of femoral artery

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13
Q

major extensor of hip joint

A

gluteus maximus

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14
Q

abductors of hip

A

gluteus medius and minimus

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15
Q

what muscles support the hip when contra-lateral limb is off ground?

A

gluteus medius and minimus

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16
Q

innervation of gluteal region

A

sacral plexus

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17
Q

structures of the anterior femur

A

fovea = head notch
head neck
greater trochanter
intertrochanter line
lesser trochanter
shaft
lateral and medal epicondyle
adductor tubercle
medial and lateral condyle
intercondylar fossa
patellar surface

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18
Q

structures of the posterior femur

A

greater trochanter
intertrochanteric crest
lesser trochanter
pectineal line
gluteal tuberosity
linea aspera
medial supracondylar line
lateral supracondylar line
popliteal surface
intercondular fossa

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19
Q

muscles in anterior thigh

A

vastus lateralis
rectus femoris
vastus medialis
sartorius
vastus intermedius

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20
Q

muscles in medial thigh

A

adductor longus
adductor brevis
gracillis
adductor magnus

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21
Q

muscles in posterior thigh

A

biceps femoris, short head
biceps femoris, long head
semitendinosus
semimembranosus

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22
Q

general action of posterior thigh

A

extension of thigh/flexion of knee

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23
Q

innervation of medial thigh

A

obturator nerve

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24
Q

innervation of anterior thigh

A

femoral nerve

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25
Q

psoas minor origin

A

ORIGIN: T12 and L1

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26
Q

psoas minor insertion

A

INSERTION: iliopubic eminence, pecten pubis

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27
Q

psoas minor innervation

A

INNERVATION: spinal nerve L1

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28
Q

psoas minor blood supply

A

BLOOD SUPPLY: lumbar arteries

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29
Q

psoas minor action

A

ACTION: trunk flexion

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30
Q

Vastus lateralis origin

A

ORIGIN: greater trochanter/lateral lip

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31
Q

Vastus lateralis insertion

A

patella

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32
Q

Vastus lateralis action

A

ACTION: extension of knee/stabilises patella

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33
Q

Vastus lateralis innervation

A

femoral nerve

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34
Q

Vastus intermedius origin

A

ORIGIN: anterior/lateral femoral shaft

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35
Q

Vastus intermedius insertion

A

patella

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36
Q

Vastus intermedius action

A

ACTION: extension of knee/stabilises patella

37
Q

Vastus intermedius innervation

A

INNERVATION: femoral nerve

38
Q

Vastus medialis origin

A

ORIGIN: intertrochanteric line/medial lip

39
Q

Vastus medialis insertion

A

patella

40
Q

Vastus medialis action

A

ACTION: extension of knee/stabilises patella

41
Q

Vastus medialis innervation

A

INNERVATION: femoral nerve

42
Q

Rectus femoris origin

A

ORIGIN: anterior inferior iliac spine/ilium of pelvis

43
Q

Rectus femoris insertion

A

patella

44
Q

Rectus femoris action

A

ACTION: extension of knee/flexion of hip

45
Q

Rectus femoris innervation

A

INNERVATION: femoral nerve

46
Q

Sartorius origin

A

ORIGIN: anterior superior iliac spine

47
Q

Sartorius insertion

A

INSERTION: superior medial surface of tibia

48
Q

Sartorius action

A

ACTION: flexes, abducts and laterally rotates hip/flexes knee

49
Q

Sartorius innervation

A

INNERVATION: femoral nerve

50
Q

Pectineus origin

A

ORIGIN: pectineal line of pubis bone

51
Q

Pectineous insertion

A

INSERTION: pectineal line of femur

52
Q

Pectineus action

A

ACTION: adduction and flexion of hip

53
Q

Pectineous innervation

A

INNERVATION: femoral nerve/branch of obturator

54
Q

Adductor longus origin

A

pubis bone

55
Q

Adductor longus insertion

A

linea aspera of femur

56
Q

Adductor longus action

A

adduction of thigh

57
Q

Adductor longus innervation

A

obturator nerve

58
Q

Adductor brevis origin

A

body of pubis and inferior pubic rami

59
Q

Adductor brevis insertion

A

linea aspera of femur

60
Q

Adductor brevis action

A

adduction of thigh

61
Q

Adductor brevis innervation

A

obturatory nerve

62
Q

Adductor magnus origin

A

inferior rami of pubis/rami of ischium

63
Q

Adductor magnus insertion

A

linea aspera of femur

64
Q

Adductor magnus action

A

adductor = adduction and flexion of thigh
hamstring = adduction and extension of thigh

65
Q

Adductor magnus innervation

A

adductor - obturator nerve
hamstring - tibial compartment of sciatic nerve

66
Q

Gracilis origin

A

inferior rami/body of pubis

67
Q

Gracilis insertion

A

tibial shaft

68
Q

Gracilis action

A

adduction of thigh at hip and flexion of knee

69
Q

Gracilis innervation

A

obturator nerve

70
Q

Obturator externus origin

A

obturator foramen and adjacent bone

71
Q

Obturator externus insertion

A

posterior greater trochanter

72
Q

Obturator externus action

A

adduction and lateral rotation of thigh/stabilises

73
Q

Obturator externus innervation

A

obturator nerve

74
Q

function of fascia lata

A

prevents outward expansion of muscles in thigh (tights) and push blood up to heart

75
Q

what is fascia lata

A

deep fascial investment of the musculature of the thigh

76
Q

what is iliotibial tract

A
  • thickening of fascia lata
  • strengthened by fibres from glute max
  • located in lateral thigh from iliac tubercle to lateral tibial condyle
77
Q

functions of iliotibial tract

A

movement = extens, abduct, lat rotates hip
knee stabilisation
compartmentalisation = forms lateral intermuscular septum of thigh

78
Q

where does the femoral artery originate from

A

external ileac artery, after inguinal ligament

79
Q

where does the obturator artery originate from

A

internal ileac artery, after obturator canal

80
Q

where does the gluteal region extend to and from?

A

iliac crest → gluteal fold

81
Q

where does the head of the femur sit?

A

inside acetabulum

82
Q

landmarks of femur bone

A

head, neck
greater and lesser trochanter
intertrochanter crest
linea aspera
intercondylar fossa

83
Q

quadrangular muscle, which contributes to the floor of the femoral triangle. It flexes the thigh in addition to adduction.

A

pectineus

84
Q

fan shaped muscle which contributes to the floor and the medial border of the femoral triangle.

A

adductor longus

85
Q

long strap like muscle and is the most superficial in the medial compartment of the thigh

A

gracilis

86
Q

small fan shaped muscle, although considered to be in the medial compartment of the thigh, it laterally rotates the hip.

A

obturator externus

87
Q

a small triangular shaped muscle lying posterior to adductor longus and pectineus

A

adductor brevis

88
Q

largest and deepest muscle in the medial compartment of the thigh. In addition to its adductor portion, it has a hamstring portion which can extend the thigh at the hip.

A

adductor magnus

89
Q

where could you palpate the femoral artery

A

femoral artery lies superficially in the femoral triangle and thus can be palpated just below the mid-inguinal point (half-way between the anterior superior iliac spine and pubic symphysis)

anatomy (15 decks)

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