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Anatomy > Glutes, Thigh, Popliteal Fossa > Flashcards

Glutes, Thigh, Popliteal Fossa Flashcards

1
Q

Tensor Fasciae Latae origin

A

Anterior part of iliac crest, iliac tubercle, ASIS, deep surface of fascia lata

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2
Q

Tensor Fasciae Latae insertion

A

Iliotibial tract of fascia lata

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3
Q

Tensor Fasciae Latae action

A
  • Flexes, medically rotates and abducts thigh;
  • tenses fascia lata;
  • may assist in knee extension
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4
Q

Tensor Fasciae Latae innervation

A

Superior gluteal nerve (dorsal divisions of L4, L5, S1)

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5
Q

Gluteus maximus origin

A

External surface- Ala of ilium- posterior to posterior gluteal line

  • iliac crest
  • dorsal surface of sacrum, coccyx, & sacrotuberous ligament
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6
Q

Gluteus Maximus insertion

A
  • Iliotibial tract (which inserts in lateral condyle of tibia)
  • some on gluteal tuberosity of femu
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7
Q

Gluteus Maximus actions

A
  • extends thigh (More in forced movements like climbing/running)
  • assists in lateral rotation
  • steadies thigh flexion (during sitting)
  • extends pelvic when thigh fixed
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8
Q

Gluteus Maximus innervation

A

Inferior gluteal nerve (dorsal divisions of L4,

L5, S1)

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9
Q

Gluteus medius origin

A
  • external surface of ilium

- between anterior and posterior gluteal lines

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10
Q

Gluteus medius insertion

A

Lateral surface of greater trochanter of femur

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11
Q

Gluteus medius action

A
  • ABduction of thigh and medial rotation of thigh (anterior fibers)
  • lateral rotation (posterior fibers)
  • steadies pelvis (tilts) to same side during locomotion allowing opposite side foot to clear ground (fixing of femur and ABduction tilts the pelvis)
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12
Q

Gluteus medius innervation

A

Superior gluteal nerve (dorsal divisions of L4, L5, S1)

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13
Q

Gluteus minimus origin

A
  • external surface of ilium

- between anterior and inferior gluteal lines

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14
Q

Gluteus minimus insertion

A

Anterior surface of greater trochanter of femur

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15
Q

Gluteus minimus action

A
  • ABduction of thigh and medial rotation of thigh

- steadies pelvis like gluteus medius

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16
Q

Gluteus minimus innervation

A

Superior gluteal nerve (dorsal divisions of L4, L5, S1)

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17
Q

Piriformis origin

A
  • anterior surface of sacrum (within the pelvis)

- superior margin of greater sciatic notch and sacrotuberous ligament

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18
Q

Piriformis insertion

A

Superior border of the greater trochanter

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19
Q

Piriformis action

A
  • laterally rotates extended thigh
  • ABducts flexed thigh
  • assists in holding head of femur in acetabulum
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20
Q

Piriformis innervation

A

Dorsal division branches of ventral rami of S1 and S2

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21
Q

Obdurator Externus origin

A
  • rami of pubis and ischium

- external surface of obturator membrane

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22
Q

Obturator externus insertion

A

Trochanteric fossa of femur

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23
Q

Obturator externus action

A

Laterally rotate extended thigh

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24
Q

Obturator externus innervation

A

Obturator nerve (L3, L4)

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25
Q

Gemellus superior origin

A

ischial spine

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26
Q

Gemellus inferior origin

A

Ischial tuberosity

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27
Q

Gemellus insertion

A

Medial surface of greater trochanter of femur (common tendon with obturator internus)

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28
Q

Generous action

A

Acts with obturator internus

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29
Q

Gemellus superior innervation

A

Nerve to obturator internus

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30
Q

Gemellus inferior innervation

A

Nerve to quadratus femoris

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31
Q

Quadratus femoris origin

A

Lateral border of ischial tuberosity, inferior to gemellus inferior

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32
Q

Quadratus femoris insertion

A

Quadrate tubercle on intertrochanteric crest and inferior to it

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33
Q

Quadratus femoris actiono

A

Laterally rotates thigh and steadies femoral head in acetabulum

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34
Q

Quadratus femoris innervation

A

Nerve to quadratus femoris (ventral divisions of L5-S1)

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35
Q

Psoas major origin

A
  • TP of lumbar vertebrae

- sides of bodies T12-L5

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36
Q

Psoas major insertion

A

Strong tendon into lesser trochanter

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37
Q

Psoas major innervation

A

Lumbar plexus-ventral rami L1-3(4)

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38
Q

Iliacus origin

A
  • iliacus-superior 2/3 of iliac fossa

- all of sacrum & anterior SI ligament

39
Q

Iliacus insertion

A
  • tendon of psoas
  • lesser trochanter
  • shaft of femur inferior to lesser trochanter
40
Q

Iliopsoas action

A
  • with vertebral column fixed with iliacus: iliacus flexes thigh
  • with thigh fixed acting alone: lateral flexion of vertebral column
  • acting inferiorly with other side and iliacus flexes the trunk
  • balances trunk when sitting
41
Q

Tensor fasciae Latae (anterior part of thigh) origin

A
  • ASIS

- iliac crest to iliac tubercle

42
Q

Tensor Fasciae Latae (anterior part of thigh) insertion

A

Iliotibial tract which attaches to lateral condyle of tibia

43
Q

Tensor Fasciae Latae (anterior part of thigh) action

A
  • abducts
  • medically rotates and flexes hip
  • keeps knee extended
  • steadies trunk on thigh
44
Q

Tensor Fasciae Latae (anterior part of thigh) innervation

A

Superior gluteal nerve L4-S1

45
Q

Sartorius origin

A
  • ASIS

- superior part of notch inferior

46
Q

Sartorius insertion

A

Superior part of medial surface of tibia

47
Q

Sartorius action

A
  • flexes
  • ABducts
  • laterally rotates thigh at hip
  • flexes knee
48
Q

Sartorius innervation

A

Femoral nerve L2-4

49
Q

Quadriceps femoris insertion

A

Base of patella & via patella ligament to tibial tuberosity

50
Q

Rectus femoris origin

A
  • AIIS

- groove superior to acetabulum

51
Q

Vastus lateralis origin

A
  • greater trochanter

- lateral lip of Linea aspera

52
Q

Vastus intermedius origin

A

Anterior and lateral surfaces of body of femur

53
Q

Vastus medialis origin

A
  • intertrochanteric line
  • medial lip of Linea aspera
  • spiral line
54
Q

Quadriceps femoris action

A
  • extends leg at knee

- Rectus femoris also steadies hip joint and helps iliopsoas flex thigh

55
Q

Quadriceps femoris innervation

A

Femoral nerve L2-4

56
Q

Pectineus origin

A

Pectineal line of the pubis

57
Q

Pectineus insertion

A

Pectineal line of the femur

58
Q

Pectineus action

A

ADducts and flexes thigh at hip

59
Q

Pectineus innervation

A

Femoral nerve L2-4 (may also receive obturator nerve also L2-4)

60
Q

Adductor longus origin

A

Body of pubis inferior to pubic crest

61
Q

Adductor longus insertion

A

Middle 1/3 of Linea aspera

62
Q

Adductor longus action

A

ADducts thigh

63
Q

Adductor longus innervation

A

Obturator nerve L2-4

64
Q

Adductor brevis origin

A

Body and inferior ramus of pubic bone

65
Q

Adductor brevis insertion

A

Pectineal line of femur and proximal part of Linea aspera

66
Q

Adductor brevis action

A

ADducts thigh and aids in flexion

67
Q

Adductor brevis innervation

A

Obturator nerve L2-4

68
Q

Adductor magnus origin

A

ADductor part-inferior ramus of pubic bone, ramus of ischium
Hamstring part-ischial tuberosity

69
Q

Adductor manus insertion

A

ADductor part-gluteal tuberosity, Linea aspera, medial supracondylar line
Hamstring part-ADductor tubercle of femur

70
Q

Adductor Magnus action

A

ADductor part-ADducts and flexes thigh

Hamstring part-extends and ADducts thigh

71
Q

Adductor magnus innervation

A

ADductor part-obturator nerve L2-4

Hamstring part-tibial portion of sciatic nerveL4(L5-S1)

72
Q

Gracilis origin

A

Body and inferior ramus of pubic bone

73
Q

Gracilis insertion

A

Superior part of medial surface of tibia

74
Q

Gracilis action

A
  • ADducts thigh
  • flexes leg
  • medial rotation of leg
75
Q

Gracilis innervation

A

Obturator nerve L2-4

76
Q

Obturator externus origin

A
  • Rami of pubic bone and ischium

- external surface of obturator membrane

77
Q

Obturator externus insertion

A

Trochanteric fossa of femur

78
Q

Obturator externus action

A
  • laterally rotates extended thigh

- steadies head of femur in acetabulum

79
Q

Obturator externus innervation

A

Obturator nerve L3-4

80
Q

Semitendinosus origin

A

Ischial tuberosity

81
Q

Semitendinosus insertion

A

Medial surface of superior part of tibia

82
Q

Semitendinosus action

A
  • extend thigh
  • flex leg and medically rotate
  • when thigh and leg fixed, can extend trunk
83
Q

Semitendinosus innervation

A

Tibial division of sciatic nerve L5-S2

84
Q

Semimembranosus origin

A

Common origin on ischial tuberosity with semitendinosus and long head of biceps

85
Q

Semimembranous insertion

A
  • Posterior part of medial condyle of tibia

- Oblique popliteal ligament

86
Q

Semimembranosus action

A
  • extend thigh
  • flex leg and medically rotate
  • when thigh and leg fixed, can extend trunk
87
Q

Semimembranosus innervation

A

Tibial division of sciatic nerve L5-S2

88
Q

Biceps femoris long head origin

A

Ischial tuberosity

89
Q

Biceps femoris short head origin

A

Lateral lip of Linea aspera and lateral supracondylar line

90
Q

Biceps femoris insertion

A
  • Lateral side of head of fibula

- Tendon is split by lateral collateral ligament

91
Q

Biceps femoris action

A
  • flexes leg and rotates it laterally

- extends thigh at beginning of walking

92
Q

Biceps femoris long head innervation

A

Tibial division of sciatic nerve L5-S2

93
Q

Biceps femoris short head innervation

A

Common peroneal division of sciatic nerve nerve L5-S2

Anatomy (11 decks)

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