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Anatomy > Gluteal & Thigh Muscles > Flashcards

Gluteal & Thigh Muscles Flashcards

1
Q

Iliacus attachments

A

Iliac fossa, iliac crest, sacral ala, sacroiliac lig.

Lesser trochanter of femur

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2
Q

Iliacus actions

A

Flexes

Stabilizes hip joint

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3
Q

Iliacus innervation

A

Femoral nerve (L2-4)

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4
Q

Psoas major attachments

A

Anterior transverse processes, vertebral bodies and discs T12-L5
Lesser trochanter of femur

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5
Q

Psoas major actions

A

Flexes and stabilizes hip joint

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6
Q

Psoas major innervation

A

Ventral rami (L1-L4)

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7
Q

Rectus femoris attachments

A

Anterior inferior iliac spine and groove superior to acetabulum
Base of patella

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8
Q

Rectus femoris actions

A

Flexes hip

Extends knee

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9
Q

Rectus femoris innervation

A

Femoral nerve (L2-4)

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10
Q

Sartorius attachments

A

Anterior superior iliac spine

Medial aspect of proximal tibia

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11
Q

Sartorius actions

A

Flexes, abducts, laterally rotates hip

Flexes, assists in medial rotation of knee

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12
Q

Sartorius innervation

A

Femoral nerve (L2-3)

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13
Q

Tensor fasciae latae attachments

A 
Anterior superior iliac spine and external lip iliac crest 
Iliotibial tract (IT-Band)
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14
Q

Tensor fasciae latae actions

A

Abducts, flexes, medically rotates hip

Assists in maintaining knee extension

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15
Q

Tensor fasciae latae innervation

A

Superior gluteal nerve (L4-S1)

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16
Q

Vastus intermedius attachments

A

Anterior aspect of proximal 2/3 femoral shaft

Lateral boarder of patella

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17
Q

Vastus intermedius actions

A

Extends knee

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18
Q

Vastus intermedius innervation

A

Femoral nerve (L2-4)

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19
Q

Vastus lateralis attachments

A

Intertrochanteric line, greater trochanter, gluteal tuberosity & linea aspera
Base of lateral boarder of patella

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20
Q

Vastus lateralis action

A

Extends knee

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21
Q

Vastus lateralis innervation

A

Femoral nerve (L2-4)

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22
Q

Vastus medialis attachments

A

Intertrochanteric line, spiral line, linea aspera & medial supracondylar line
Base & medial boarder of patella

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23
Q

Vastus medialis action

A

Extends led

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24
Q

Vastus medialis innervation

A

Femoral nerve (L2-4)

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25
Q

Articularis genu attachments

A

Distal anterior shaft of femur

Proximal portion of synovial membrane of knee joint

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26
Q

Articularis genu action

A

Pulls articular capsule proximally

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27
Q

Articularis genu innervation

A

Femoral nerve (L2-4)

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28
Q

Adductor brevis attachments

A

Inferior pubic ramus

Distal 2/3 pectineal line &medial lip linea aspera

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29
Q

Adductor brevis action

A

Abducts

Flex hip

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30
Q

Adductor brevis innervation

A

Obturator n. (L2-4)

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31
Q

Adductor longus attachments

A

Pubic crest

Medial lip linea aspera

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32
Q

Adductor longus action

A

Abducts, medially rotates, flex hip

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33
Q

Adductor longus innervation

A

Obturator n. (L2-4)

34
Q

Adductor magnus (adductor part) attachments

A

Inferior pubic ramus, ischial ramus & tuberosity

Gluteal tuberosity, linea aspera

35
Q

Adductor magnus (HS part) attachment

A

Medial supracondylar ridge & adductor tubercle

Femur

36
Q

Adductor magnus (adductor part) action

A

Abducts

Flexes hip

37
Q

Adductor magnus (HS part) action

A

Extends hip

38
Q

Adductor magnus (adductor part) innervation

A

Obturator n. (L2-4)

39
Q

Adductor magnus (HS part) innervation

A

Tibial division of sciatic n. (L4-S1)

40
Q

Gracilis attachments

A

Body of pubis & inferior pubic ramus

Medial surface of tibia (distal to condyle, proximal to insertion of semitendinosus, lateral to insertion of sartorius)

41
Q

Gracilis action

A

Flexes, medially rotates knee

Adducts hip

42
Q

Gracilis innervation

A

Obturator n. (L2-4)

43
Q

Pectineus attachments

A

Superior pubic ramus

Femur (between the lesser trochanter & linea aspera)

44
Q

Pectineus action

A

Adducts

Flexes hip

45
Q

Pectineus innervation

A

Femoral n. & obturator n. (L2-4)

46
Q

Obturator externus attachments

A

Rami of pubis and ischium & obturator membrane

Trochanteric fossa

47
Q

Obturator externus actions

A

Laterally rotates hip

48
Q

Obturator externus innervation

A

Obturator n. (L3-4)

49
Q

Superior gemellus attachments

A

External surface of spine of ischium via obturator interns tendon
Greater trochanter

50
Q

Superior gemellus action

A

Laterally rotates hip

51
Q

Superior gemellus innervation

A

Sacral plexus (L5-S2)

52
Q

Inferior gemellus attachments

A

Proximal ischial tuberosity via obturator interns tendon

Greater trochanter

53
Q

Inferior gemellus action

A

Laterally rotates hip

54
Q

Inferior gemellus innervation

A

Sacral plexus (L4-S1)

55
Q

Gluteus Maximus attachments

A

Aponeurosis of erector spinae, sacrum, sarotuberous lig. & posterior gluteal line (innominate)
Greater trochanter, gluteal tuberosity of femur, iliotibial tack

56
Q

Gluteus Maximus action

A

Extends, laterally rotates hip

57
Q

Gluteus Maximus innervation

A

Inferior gluteal n. (L5-S2)

58
Q

Gluteus medius attach

A

External iliac surface

Oblique ridge on lateral aspect of greater trochanter & gluteal aponeurosis

59
Q

Gluteus medius action

A

Abducts & medially rotates hip

Keeps pelvis level when opposite leg is raised

60
Q

Gluteus medius innervation

A

Superior gluteal n. (L4-S1)

61
Q

Gluteus minimis attachments

A

External iliac surface and margin of greater sciatic notch

Anterolateral aspect of greater trochanter

62
Q

Gluteus minimis innervation

A

Superior gluteal n. (L4-S1)

63
Q

Gluteus minimis action

A

Abducts & medially rotates hip

Keeps pelvis level when opposite leg is raised

64
Q

Obturator interus attachments

A

Anterolateral wall of pelvis & obturator membrane

Medial surface of the greater trochanter

65
Q

Obturator internus action

A

Laterally rotates hip

66
Q

Obturator internus innervation

A

Nerve to the obturator internus (from sacral plexus) (L5-S2)

67
Q

Piriformis attachments

A

Anterolateral sacrum & posterior inferior iliac spine

Upper boarder of greater trochanter

68
Q

Piriformis action

A

Abducts

Laterally rotates hip

69
Q

Piriformis innervation

A

Nerve to piriformis (S1-2)

70
Q

Quadratus femoris attachment

A

Ischial tuberosity

Quadrate tubercle of femur

71
Q

Quadratus femoris action

A

Laterally rotates hip

72
Q

Quadratus femoris innervation

A

Nerve to quadratus femoris (from sacral plexus) (L4-S1)

73
Q

Biceps femoris attachments

A

Long head: ischial tuberosity & sacrotuberous lig. to lateral side fibular head
Short head: lateral lip is linea aspera & lateral supracondylar line to lat. fibular head

74
Q

Biceps femoris action

A

Flexes & laterally rotates knee

Long head- extends hip

75
Q

Biceps femoris innervation

A

Long head: tibial division of sciatic n. (L5-S2)

Short head: fibular division of sciatic n. (L5-S2)

76
Q

Semimembranosus attachments

A

Ischial tuberosity

Posterior aspect of medial tibial condyle

77
Q

Semimembranosus actions

A

Extends hip

Flexes & medially rotates knee

78
Q

Semimembranosus innervation

A

Tibial division of sciatic n. (L4-S2)

79
Q

Semitendinosus attachment

A

Ischial tuberosity

Proximal medial tibia

80
Q

Semitendinosus action

A

Extends hip

Flexes & medially rotates knee

81
Q

Semitendinosus innervation

A

Tibial division of sciatic n. (L4-S2)

Anatomy (11 decks)

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