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Musculoskeletal Anatomy BYU Feland > LE O&I Hip & Thigh > Flashcards

LE O&I Hip & Thigh Flashcards

1
Q

Gluteus maximus origin

A
  1. External surface of ilium behind the posterior gluteal line
  2. dorsal surface of sacrum and coccyx
  3. sacrotuberous ligament
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2
Q

Gluteus maximus insertion

A
  1. IT band

2. gluteal tuberosity of femur

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3
Q

Gluteus maximus action

A
  1. extends the hip
  2. laterally rotates the hip
  3. upper fibers aid slightly to abduct the hip
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4
Q

Gluteus maximus innervation

A

inferior gluteal nerve

L5, S1-2

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5
Q

Gluteus medius origin

A

outer aspect of ilium (between iliac crest and anterior and posterior gluteal lines)

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6
Q

Gluteus medius insertion

A

superior aspect of greater trochanter

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7
Q

Gluteus medius action

A
  1. abducts and medially rotates hip

2. stabilizes pelvis and prevents free limb from sagging during gait

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8
Q

Gluteus medius innervation

A

superior gluteal nerve

L5, S1

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9
Q

Gluteus minimus origin

A

outer aspect of ilium (between anterior and inferior gluteal lines)

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10
Q

Gluteus minimus insertion

A

Anterior aspect of greater trochanter

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11
Q

Gluteus minimus action

A
  1. medially rotates hip

2. abducts the hip

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12
Q

Gluteus minimus innervation

A

superior gluteal nerve

L5, S1

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13
Q

Tensor fascia lata (TFL) origin

A

Anterolateral aspect of superior iliac crest

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14
Q

Tensor fascia lata (TFL) insertion

A

Onto IT band which then the IT tract attaches down at “Gerdy’s tubercle” on the tibia

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15
Q

Tensor fascia lata (TFL) action

A
  1. abducts with hip in flexed position
  2. hip flexion
  3. slightly helps with hip medial rotation
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16
Q

Tensor fascia lata (TFL) innervation

A

superior gluteal nerve

L5, S1

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17
Q

Piriformis origin

A

Anterior surface of sacrum

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18
Q

Piriformis insertion

A

Superior surface of greater trochanter (through greater sciatic foramen)

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19
Q

Piriformis action

A
  1. External rotation

2. Abduction

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20
Q

Piriformis innervation

A

Nerve to piriformis S1,2

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21
Q

Superior gemellus origin

A

Ischial spine

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22
Q

Superior gemellus insertion

A

Medial aspect superior border of greater trochanter via tendon of obturator internus

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23
Q

Superior gemellus action

A

Laterally rotates hip

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24
Q

Superior gemellus innervation

A

Nerve to obturator internus L5, S1-2

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25
Q

Obturator internus origin

A

Internal surface of obturator foramen and its boney boundaries

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26
Q

Obturator internus insertion

A

Medial aspect of greater trochanter (through lesser sciatic foramen)

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27
Q

Obturator internus action

A

Laterally rotates hip

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28
Q

Obturator internus innervation

A

Nerve to obturator internus L5, S1-2

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29
Q

Inferior gemellus origin

A

Ischial tuberosity

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30
Q

Inferior gemellus insertion

A

Medial aspect of superior border of greater trochanter via tendon of obturator internus

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31
Q

Inferior gemellus action

A

Laterally rotates hip

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32
Q

Inferior gemellus innervation

A

Nerve to quadratus femoris L5, S1

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33
Q

Obturator externus origin

A
  1. Pubis and ischium near obturator foramen

2. External surface of obturator membrane

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34
Q

Obturator externus insertion

A

Trochanteric fossa of femur

35
Q

Obturator externus action

A

Laterally rotates hip

36
Q

Obturator externus innervation

A

Obturator nerve L3,4

37
Q

Quadratus femoris origin

A

Ischial tuberosity

38
Q

Quadratus femoris insertion

A

Quadrate tubercle

39
Q

Quadratus femoris action

A
  1. Laterally rotates hip

2. Adducts hip

40
Q

Quadratus femoris innervation

A

Nerve to quadratus femoris L5, S1

41
Q

Semitendinosus origin

A

Ischial tuberosity

42
Q

Semitendinosus insertion

A
  1. Anteromedial aspect of the tibial shaft

2. Contributes to pes anserine

43
Q

Semitendinosus action

A
  1. Extends hip
  2. Flexes knee
  3. Medially rotates the tibia (open chain)
44
Q

Semimembranosus origin

A

Ischial tuberosity

45
Q

Semimembranosus insertion

A

Posterior medial aspect of the medial tibial condyle

46
Q

Semimembranosus action

A
  1. Extends hip
  2. Flexes knee
  3. Medially rotates the tibia (open chain)
47
Q

Semimembranosus innervation

A

Tibial nerve L5, S1-2

48
Q

Biceps femoris origin

A

Long head: ischial tuberosity and sacrotuberous ligament

Short head: lateral lip of the linea aspera

49
Q

Biceps femoris insertion

A

Head of fibula

50
Q

Biceps femoris action

A
  1. Flexes knee
  2. Extends hip (long head)
  3. Laterally rotates tibia (open chain)
51
Q

Biceps femoris innervation

A

Long head: tibial portion of sciatic L5-S2

Short head: common peroneal of sciatic L5-S2

52
Q

Iliacus origin

A

Superior 2/3 of iliac fossa, iliac crest, & ala of sacrum

53
Q

Iliacus insertion

A

Lesser trochanter of femur

54
Q

Iliacus action

A
  1. Flexes hip

2. Externally rotates the femur

55
Q

Iliacus innervation

A

Femoral nerve L2,3

56
Q

Psoas major origin

A

Bodies and transverse processes of T12-L5 & associating intervertebral discs

57
Q

Psoas major insertion

A

Lesser trochanter of the femur

58
Q

Psoas major action

A
  1. Flexes hip

2. Externally rotates the femur

59
Q

Psoas major innervation

A

Ventral rami L1-3

60
Q

Sartorius origin

A

ASIS

61
Q

Sartorius insertion

A
  1. Upper medial aspect of proximal tibia

2. Contributes to pes anserine

62
Q

Sartorius action

A

Hip: flexion, abduction, external rotation

Knee: flexion, internal rotation

63
Q

Sartorius innervation

A

Femoral nerve L2,3

64
Q

Rectus femoris origin

A

Anterior head: AIIS

Posterior head: just above the acetabulum

65
Q

Rectus femoris insertion

A

Tibial tuberosity

66
Q

Rectus femoris action

A
  1. Extends knee

2. Flexes hip

67
Q

Rectus femoris innervation

A

Femoral nerve L2-4

68
Q

Vastus lateralis origin

A
  1. Greater trochanter

2. Lateral lip of linea aspera

69
Q

Vastus lateralis insertion

A

Tibial tuberosity

70
Q

Vastus lateralis action

A

Extends knee

71
Q

Vastus lateralis innervation

A

Femoral nerve L2-4

72
Q

Vastus medialis origin

A
  1. Intertrochanteric line of femur

2. Medial aspect of linea aspera

73
Q

Vastus medialis insertion

A

Tibial tuberosity

74
Q

Vastus medialis action

A

Extends knee

75
Q

Vastus medialis innervation

A

Femoral nerve L2-4

76
Q

Vastus intermedius origin

A

Proximal 2/3 anterior lateral aspect of the femoral shaft

77
Q

Vastus intermedius insertion

A

Tibial tuberosity

78
Q

Vastus intermedius action

A

Extends knee

79
Q

Vastus intermedius innervation

A

Femoral nerve L2-4

80
Q

Gracilis origin

A

Inferior pubic ramus

81
Q

Gracilis insertion

A
  1. Medial surface of proximal tibia, inferior to tibial condyle
  2. Contributes to pes anserine
82
Q

Gracilis action

A
  1. Adducts hip
  2. Flexes knee
  3. Medially rotates tibia
83
Q

Gracilis innervation

A

Obturator nerve L2,3

Musculoskeletal Anatomy BYU Feland (1 decks)

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