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Anatomy > Thigh > Flashcards

Thigh Flashcards

1
Q

Vastus intermedius FUNCTION

A

Extend knee

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2
Q

Iliopsoas (Iliacus) INSERTION

A

Lesser trochanter of femur

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3
Q

Quadratus femoris NERVE

A

N. to quadratus femoris (L5, S1)

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4
Q

Gluteus minimus NERVE

A

Superior gluteal n. (L4,L5, S1)

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5
Q

Gluteus minimus INSERTION

A

Anterior border of greater trochanter

Hip joint capsule

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6
Q

Semimembranosus FUNCTION

A

Knee flexion and medial rotation
Hip extension
Assists in hip medial rotation

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7
Q

Iliopsoas (Iliacus) NERVE

A

Femoral n. (L1,L2,L3,L4)

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8
Q

Piriformis INSERTION

A

Superior border of greater trochanter

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9
Q

Adductor brevis FUNCTION

A

Hip adduction and flexion

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10
Q

Vastus intermedius INSERTION

A

Proximal border of patella and through patellar ligament to tibial tuberosity.

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11
Q

Biceps Femoris (short head) NERVE

A

Common fibular n. (L5,S1,S2)

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12
Q

Superior Gemelli NERVE

A

N. to Obturator Internus (L5, S1)

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13
Q

Semimembranosus NERVE

A

Tibial n. (L4,L5,S1,S2)

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14
Q

Gluteus maximus FUNCTION

A

Hip extension and lateral rotation
Lower fibers: assists in hip adduction
Upper fibers: assists in abduction, stabilize knee in extension through iliotibial band insertion

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15
Q

Iliopsoas (Iliacus)ORIGIN

A

Superior 2/3 iliac fossa, internal lip of iliac crest, iliolumbar and ventral SI ligaments and sacral ala

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16
Q

Biceps Femoris (long head) FUNCTION

A

Knee flexion and lateral rotation
Hip extension
Assists in hip lateral rotation

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17
Q

Iliopsoas (Iliacus) FUNCTION

A

Flexes hip
Assists in hip lateral rotation and abduction

With insertion fixed:

  • Billaterally: flexes trunk on femurs, increases lumbar lordosis
  • Unilaterally: Assists in lateral flexion of trunk to same side

If trunk is stable, contribute to anterior shear of lumbar spine.

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18
Q

Obturator Internus ORIGIN

A

Internal/pelvic surface of obturator membrane and margin of obturator foramen, pelvic surface of ischium, posterior and proximal to obturator foramen, and to slight extent from the obturator fascia

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19
Q

Vastus medialis NERVE

A

Femoral n. (L2, L3, L4)

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20
Q

Rectus femoris ORIGIN

A

Straight Head: AIIS and superior rim of acetabulum

Reflected Heah: From groove above rim of acetabulum

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21
Q

Obturator Externus ORIGIN

A

Rami of pubis and ischium and external surface of obturator membrane

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22
Q

Gracilis FUNCTION

A

Adduct hip

Assists in knee medial rotation and flexion

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23
Q

Gluteus medius ORIGIN

A

External surface of ilium between iliac crest and posterior gluteal line dorsally and anterior gluteal line ventrally, and gluteal aponeurosis

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24
Q

Vastus lateralis FUNCTION

A

Extend knee

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25
Q

Gluteus minimus FUNCTION

A

Hip Abduction and MR

Assist with with hip flexion

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26
Q

Adductor Longus NERVE

A

Obturator n. (L2, L3, L4)

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27
Q

Gluteus medius INSERTION

A

Oblique ridge of lateral surface of greater trochanter of femur

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28
Q

Vastus medialis FUNCTION

A

Extend knee

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29
Q

Inferior Gemelli INSERTION

A

With the tendon of Obturator Internus into medial surface of greater trochanter

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30
Q

Adductor Longus FUNCTION

A

Hip adduction and flexion

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31
Q

Piriformis FUNCTION

A 
Laterally rotate extended hip
Abducts flexed hip
MR flexed hip beyond 90 degrees
Assists hip extension
Stabilizes femoral head in acetabulum
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32
Q

Gracilis ORIGIN

A

Inferior 1/2 of pubic symphysis and medial margin of inferior ramus of pubis

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33
Q

Rectus femoris INSERTION

A

Proximal border of patella and through patellar ligament to tibial tuberosity

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34
Q

Biceps Femoris (long head) ORIGIN

A

Distal part of sacrotuberous ligament, posterior part of ischial tuberosity

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35
Q

Gluteus medius FUNCTION

A

Abduct hip
Anterior fibers: hip medial rotation and assist with hip flexion
Posterior fibers: hip lateral rotation and assist with hip extension

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36
Q

Tensor fasciae latae ORIGIN

A

Anterior part of the external lip of iliac crest, outer surface of ASIS, and deep surface of fascia lata.

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37
Q

Adductor Longus INSERTION

A

Middle 1/3 of medial lip of linea aspera

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38
Q

Biceps Femoris (short head) INSERTION

A

Lateral side of fibular head, lateral tibial condyle, deep fascia of lateral side of leg

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39
Q

Sartorius ORIGIN

A

ASIS and superior 1/2 of notch just distal to spine

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40
Q

Vastus lateralis ORIGIN

A

Proximal part of intertrochanteric line, anterior and inferior borders of greater trochanter, lateral lip of gluteal tuberosity, proximal 1/2 of lateral lip of linea aspera, and lateral inter muscular septum.

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41
Q

Superior Gemelli INSERTION

A

With tendon of Obturator Internus into medial surface of greater trochanter

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42
Q

Rectus femoris NERVE

A

Femoral n. (L2, L3, L4)

43
Q

Semimembranosus ORIGIN

A

Ischial tuberosity, proximal and lateral to biceps femoris and semitendinosis

44
Q

Adductor brevis INSERTION

A

Distal 2/3 of pectineal line and proximal 1/2 of medial lip of linea aspera

45
Q

Tensor fasciae latae FUNCTION

A

Abduction, medial rotation and flexion of thigh. Assists in keeping knee extended

46
Q

Vastus intermedius ORIGIN

A

Anterior and lateral surfaces of proximal 2/3 of body of femur, distal 1/2 of linea aspera, and lateral intermuscular septum.

47
Q

Obturator Externus NERVE

A

Obturator n. (L3, L4)

48
Q

Gluteus medius NERVE

A

Superior gluteal n. (L4,L5, S1)

49
Q

Biceps Femoris (long head) INSERTION

A

Lateral side of head of fibular head, lateral condyle of tibia, deep fascia of lateral side of leg

50
Q

Gluteus maximus ORIGIN

A

Posterior gluteal line of ilium and portion of bone superior and posterior to it, posterior surface of lower part of sacrum, side of coccyx, aponeurosis of erector spinae, sacrotuberous ligament, and gluteal aponeurosis

51
Q

Superior Gemelli ORIGIN

A

External surface of ischial spine

52
Q

Obturator Internus INSERTION

A

Medial surface of greater trochanter

53
Q

Vastus intermedius NERVE

A

Femoral n. (L2, L3, L4)

54
Q

Adductor magnus ORIGIN

A

Inferior pubic ramus, ramus of ischium (anterior fibers), and ischial tuberosity (posterior)

55
Q

Semitendinosus ORIGIN

A

Ischial tuberosity by tendon common with long head of biceps femoris

56
Q

Obturator Internus FUNCTION

A

Laterally rotate extended hip
Abducts flexed hip
Stabilizes femoral head in acetabulum

57
Q

Quadratus femoris FUNCTION

A

Laterally rotate extended hip
Abducts flexed hip
Stabilizes femoral head in acetabulum

58
Q

Vastus medialis ORIGIN

A

Distal 1/2 of intertrochanteric line, medial lip of linea aspera, proximal part of medial suprocondylar line, tendons of adductor longus and adductor magnus, and medial inter muscular septum.

59
Q

Iliopsoas (Psoas Major) NERVE

A

Anterior rami of Lumbar spinal n. (L1,L2,L3,L4)

60
Q

Pectineus ORIGIN

A

Surface of superior ramus of pubis ventral to pectin between iliopectineal eminence and pubic tubercle

61
Q

Gluteus maximus INSERTION

A

Larger proximal part and superficial fibers of distal portion of muscle into iliotibial tract of fascia lata

Deep fibers of distal part into gluteal tuberosity of femur

62
Q

Inferior Gemelli FUNCTION

A

Laterally rotate extended hip
Abduct flexed hip
Stabilize femoral head in acetabulum

63
Q

Adductor brevis ORIGIN

A

Outer surface of inferior ramus of pubis

64
Q

Piriformis ORIGIN

A

Surface of sacrum between 1,2,3 and 4 pelvic sacrum foramina, margin of greater sciatic foramen, and pelvic surface of sacrotuberous ligament

65
Q

Vastus medialis INSERTION

A

Proximal border of patella and through patellar ligament to tibial tuberosity.

66
Q

Tensor fasciae latae NERVE

A

Superior gluteal n. (L4, L5, S1)

67
Q

Adductor magnus FUNCTION

A

Hip adduction, flexion, and extension

68
Q

Adductor Longus ORIGIN

A

Anterior surface of pubis at intersection of crest and symphysis

69
Q

Adductor magnus INSERTION

A

Medial to gluteal tuberosity, middle line of linea aspera, medial supracondylar line, and adductor tubercle of medial condyle of femur.

70
Q

Adductor magnus NERVE

A

Obturator n., tibial division of sciatic (L2, L3, L4)

Sciatic (L4,L5,S1)

71
Q

Semitendinosus INSERTION

A

Proximal part of medial surface of body of tibia, deep fascia of leg

72
Q

Vastus lateralis INSERTION

A

Proximal border of patella and through patellar ligament to tibial tuberosity.

73
Q

Pectineus NERVE

A

Femoral n., accessory obturator (L2, L3,L4)

74
Q

Iliopsoas (Psoas Major) ORIGIN

A

Ventral surface of transverse processes of all lumbar vertebrae, sides of bodies and corresponding intervertebral discs of last thoracic and all lumbar vertebrae and membranous arches that extend over sides of lumbar vertebrae.

75
Q

Biceps Femoris (long head) NERVE

A

Tibial n. (L5,S1,S2,S3)

76
Q

Inferior Gemelli ORIGIN

A

Proximal part of tuberosity of ischium

77
Q

Iliopsoas (Psoas Major) FUNCTION

A

Flexes hip
Assists in hip lateral rotation and abduction

With insertion fixed:

  • Billaterally: flexes trunk on femurs, increases lumbar lordosis
  • Unilaterally: Assists in lateral flexion of trunk to same side

If trunk is stable, contribute to anterior shear of lumbar spine.

78
Q

Quadratus femoris INSERTION

A

Proximal part of quadrate line extending distally from intertrochanteric crest

79
Q

Adductor brevis NERVE

A

Obturator n. (L2, L3, L4)

80
Q

Semitendinosus NERVE

A

Tibial n. (L4,L5,S1,S2)

81
Q

Sartorius INSERTION

A

Proximal part of medial surface of tibia near anterior border

82
Q

Obturator Internus NERVE

A

N. to Obturator Internus (L5, S1)

83
Q

Inferior Gemelli NERVE

A

N. to quadratus femoris (L5, S1)

84
Q

Sartorius NERVE

A

Femoral n. (L2,3,4)

85
Q

Obturator Externus INSERTION

A

Trochanteric fossa of femur

86
Q

Biceps Femoris (short head) FUNCTION

A

Knee flexion and lateral rotation

87
Q

Obturator Externus FUNCTION

A

Laterally rotation of thigh and assists hip adduction

88
Q

Superior Gemelli FUNCTION

A

Laterally rotate extended hip
Abduct flexed hip
Stabilize femoral head in acetabulum

89
Q

Pectineus INSERTION

A

Pectineal line of femur

90
Q

Gracilis NERVE

A

Obturator n. (L2,L3,L4)

91
Q

Quadratus femoris ORIGIN

A

Proximal part of lateral border of tuberosity of ischium

92
Q

Gracilis INSERTION

A

Medial surface of body of tibia, distal to condyle, proximal to insertion of semitendinosus, and posterior to insertion of sartorius

93
Q

Biceps Femoris (short head) ORIGIN

A

Lateral lip of linea aspera, proximal 2/3 of supracondylar line, and lateral inter muscular septum

94
Q

Semitendinosus FUNCTION

A

Knee flexion and medial rotation
Hip extension
Assists in hip medial rotation

95
Q

Tensor fasciae latae INSERTION

A

Into iliotibial tract of fascia lata at junction of proximal and middle thirds of thigh.

96
Q

Sartorius FUNCTION

A

Flexion, abduction and lateral rotation of thigh

97
Q

Piriformis NERVE

A

N. to Piriformis (L5,S1,S2)

98
Q

Vastus lateralis NERVE

A

Femoral n. (L2, L3, L4)

99
Q

Semimembranosus INSERTION

A

Posteromedial aspect of medial condyle of tibia

100
Q

Gluteus maximus NERVE

A

Inferior gluteal n. (L5, S1, S2)

101
Q

Rectus femoris FUNCTION

A

Extends knee

Assists iliopsoas to flex thigh

102
Q

Gluteus minimus ORIGIN

A

External surface of ilium between anterior and inferior gluteal lines, and margin of greater sciatic notch

103
Q

Iliopsoas (Psoas Major) INSERTION

A

Lesser trochanter of femur

104
Q

Pectineus FUNCTION

A

Hip adduction and flexion

Anatomy (8 decks)

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