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Muscles Anatomy > Pelvis And Thigh > Flashcards

Pelvis And Thigh Flashcards

1
Q

Actions of Vastus Medialis, Vastus Lateralis, Vastus Intermedius

A

Extend the knee

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2
Q

Action of Rectus Femoris

A

Flex the hip
Extend the knee

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3
Q

Origin of Rectus Femoris

A

Anterior inferior iliac spine (AIIS)

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4
Q

Origin of Vastus Medialis

A

Medial lip of linea aspera

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5
Q

Origin of Vastus Lateralis

A

Lateral lip of linea aspera , gluteal tuberosity , greater trochanter

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6
Q

Origin of Vastus Intermedius

A

Anterior and lateral shaft of the femur

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7
Q

Insertion of the quadricep femoris group (rectus femoris, vastus medialis, vastus lateralis, vastus intermedius)

A

Tibial tuberosity

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8
Q

Nerves of the quadricep femoris group (vastus medialis, vastus lateralis, vastus intermedius, rectus femoris)

A

Femoral L2,3,4

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9
Q

Actions of Gluteus Maximus

A

All fibers:
Extend the hip
Laterally rotate the hip
Abduct the hip
Lower fibers:
Adduct the hip

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10
Q

Origin of Gluteus Maximus

A

Coccyx
Edge of sacrum
Posterior iliac crest
Sacrotuberous
Sacroiliac ligaments

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11
Q

Insertions of Gluteus Maximus

A

Iliotibial tract(IT BAND)
Gluteal tuberosity

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12
Q

Nerve of Gluteus Maximus

A

Inferior gluteal L5, S1,2

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13
Q

Actions of Gluteus Medius

A

All fibers:
Abduct the hip
Anterior fibers:
Flex the hip
Medially rotate the hip
Posterior fibers:
Extend the hip
Laterally rotate the hip

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14
Q

Origin of Gluteus Medius

A

Gluteal surface of ilium
Between posterior and anterior gluteal lines just below the iliac crest

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15
Q

Insertion of Gluteus Medius

A

Lateral aspect of greater trochanter

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16
Q

Nerve of gluteus medius

A

Superior gluteal L4,5,S1

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17
Q

Actions of Gluteus Minimus

A

Abduct the hip
Medially rotate the hip
Flex the hip

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18
Q

Origin of gluteus minimus

A

Gluteal surface of the ilium between anterior and inferior gluteal lines

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19
Q

Insertion of gluteus minimus

A

Anterior aspect of greater trochanter

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20
Q

Nerve of gluteus minimus

A

Superior gluteal L4,5,S1

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21
Q

Actions of Adductor Magnus

A

Adduct the hip
Medially rotate the hip
Posterior fibers:
Extend the hip

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22
Q

Origin of Adductor Magnus

A

Inferior ramus of the pubis
Ramus ischium
Ischial tuberosity

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23
Q

Insertion of Adductor Magnus

A

Medial lip of linea aspera
Adductor tubercle

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24
Q

Nerve of Adductor Magnus

A

Obturator L2,3,4
Sciatic L4,5,S1

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25
Q

Actions of Adductor Longus

A

Adduct the hip
Medially rotate the hip

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26
Q

Origin of Adductor Longus

A

Pubic tubercle

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27
Q

Insertion of adductor longus

A

Medial lip of linea aspera

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28
Q

Nerves of adductor longus

A

Obturator L2,3,4

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29
Q

Actions of adductor brevis

A

Adduct the hip
Medially rotate the hip

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30
Q

Origin of adductor brevis

A

Inferior ramus of pubis

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31
Q

Insertion of adductor brevis

A

Pectineal line
Medial lip of linea aspera

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32
Q

Nerves of adductor brevis

A

Obturator L2,3,4

33
Q

Actions of Pectineus

A

Adduct the hip
Medially rotate the hip

34
Q

Origin of Pectineus

A

Superior ramus of pubis

35
Q

Insertion of pectineus

A

Pectineal line of femur

36
Q

Nerves of Pectineus

A

Femoral and Obturator L2,3,4

37
Q

Actions of Gracilis

A

Adduct the hip
Medially rotate the hip
Flex the knee
Medially rotate the flexed knee

38
Q

Origin of Gracilis

A

Inferior ramus of pubis

39
Q

Insertions

A

Pes anserinus

40
Q

Nerves of Gracilis

A

Obturator L2,3,4

41
Q

Actions of Tensor Fasciae Latae (TFL)

A

Flex the hip
Medially rotate the hip
Abduct the hip

42
Q

Origin of TFL

A

Iliac crest
Posterior to the ASIS

43
Q

Insertion of TFL

A

Iliotibial tract (IT BAND)

44
Q

Nerves of TFL

A

Superior gluteal L4,5,S1

45
Q

Actions of Sartorius

A

Flex the hip
Laterally rotate the hip
Abduct the hip
Flex the knee
Medially rotate the flexed knee

46
Q

Origin of Sartorius

47
Q

Insertion of Sartorius

A

Pes anserinus

48
Q

Nerves of Sartorius

A

Femoral L2,3,4

49
Q

Actions of Piriformis

A

Laterally rotate the hip
Abduct the hip when flexed

50
Q

Origin of Piriformis

A

Anterior surface of the sacrum

51
Q

Insertion of Piriformis

A

Superior aspect of the greater trochanter

52
Q

Nerves of Piriformis

A

Sacral plexus L5,S1,2

53
Q

Actions of Quadratus femoris

A

Laterally rotate the hip

54
Q

Origin of quad femoris

A

Lateral border of ischial tuberosity

55
Q

Insertion of quad femoris

A

Intertrochanteric crest between the greater and lesser trochanters

56
Q

Nerves of quad femoris

A

Sacral plexus L4,5,S1,2

57
Q

Actions of Obturator internus

A

Laterally rotate the hip

58
Q

Origin of Obturator internus

A

Obturator membrane
Inferior surface of Obturator foramen

59
Q

Insertion of Obturator internus

A

Medial surface of greater trochanter

60
Q

Nerves of Obturator internus

A

Sacral plexus L5,S1,2

61
Q

Actions of Obturator externus

A

Laterally rotate the hip

62
Q

Origin of Obturator externus

A

Ramis of pubis and ischium
Obturator membrane

63
Q

Insertion of Obturator externus

A

Trochanteric fossa of femur

64
Q

Nerves of Obturator externus

A

Obturator L3,4

65
Q

Actions of gemellus superior

A

Laterally rotate the hip

66
Q

Origin of gemellus superior

A

Ischial spine

67
Q

Insertions of gemellus superior

A

Medial surface of greater trochanter

68
Q

Nerves of gemellus superior

A

Sacral plexus L5,S1,2

69
Q

Actions of gemellus inferior

A

Laterally rotate the hip

70
Q

Origin of gemellus inferior

A

Medial surface of greater trochanter

71
Q

Nerve of gemellus inferior

A

Sacral plexus L4,5,S1,2

72
Q

Actions of Psoas Major

A

Origin fixed:
Flex the hip
Insertions fixed:
Flex the trunk toward the thigh
Tilt the pelvis anteriorly

73
Q

Origin of Psoas major

A

Bodies & Tvp of lumbar vertebrae

74
Q

Insertion of Psoas major

A

Lesser trochanter

75
Q

Nerve of psoas major

A

Lumbar plexus L1,2,3,4

76
Q

Actions of iliacus

A

Origin fixed:
Flex the hip
Insertion fixed:
Flex the trunk toward the thigh
Tilt pelvis anteriorly

77
Q

Origin of iliacus

A

Iliac fossa

78
Q

Insertion of iliacus

A

Lesser trochanter

79
Q

Nerves of iliacus

A

Femoral L1-L4

Muscles Anatomy (5 decks)

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