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Human Gross Anatomy > Thigh muscle actions and innervations > Flashcards

Thigh muscle actions and innervations Flashcards

1
Q

Action of Gluteus Maximus?

A

Power extension and lateral rotation of the femur

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2
Q

Action of the Gluteus Medius?

A

Abducts and Medially rotates the femur
(Prevents adduction)

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3
Q

Action of the Gluteus Minimus?

A

Abducts and medially rotates the femur
(prevents adduction)

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4
Q

Action of the Piriformis?

A

Lateral rotation and abduction of the femur

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5
Q

Action of the Superior and Inferior gemilli?

A

Lateral rotation and abduction of the femur

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6
Q

Action of the Obturator internus?

A

Lateral rotation and abduction of the femur

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7
Q

Action of the quadratus femoris?

A

Lateral rotation of the femur

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8
Q

Action of the obturator externus?

A

Lateral rotation of the femur

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9
Q

Action of the Psoas major?

A

Flex femur

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10
Q

Action of the illacus?

A

Flex femur

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11
Q

Innervation of the Gluteus Maximus?

A

Inferior gluteal nerve

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12
Q

Innervation of Gluteus medius?

A

Superior gluteal nerve

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13
Q

Innervation of gluteus minimus?

A

Superior gluteal nerve

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14
Q

Innervation of piriformis?

A

S1-S2

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15
Q

Innervation of superior and inferior gemelli?

A

L5-S1

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16
Q

Innervation of obturator internus?

A

L5-S1

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17
Q

Innervation of quadratus femoris

A

L5-S1

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18
Q

Innervation of obturator externus

A

Obturator nerve

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19
Q

Innervation of psoas major?

A

L2-L3 and femoral nerve

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20
Q

Innervation of illacus?

A

L2-L3 and femoral nerve.

21
Q

Tensor Facia Latae actions

A

Medial rotation, Abduction, Flexion of the femur

22
Q

Rectus Femoris Action

A

Flex femur and extend knee

23
Q

Vastus medialis action

A

Extend knee

24
Q

Vastus intermedius action

A

Extend Knee

25
Q

Vastus Lateralis action

A

Extend knee

26
Q

Gracilis action

A

Adduct, Flex and medially rotate the femur. Flex the knee

27
Q

Sartorius Action

A

Abduction, Flexion, and lateral rotation of the femur. Flex knee

28
Q

Pectineus action

A

Adduct and flex femur

29
Q

Adductor magnus action

A

Flex and extend femur

30
Q

Adductor brevis action

A

Adduct/flex femur

31
Q

Adductor longus action

A

Adduct/flex femur

32
Q

Semimembranosus action

A

Extend and medially rotate femur, flex knee

33
Q

Semitendinosus action

A

Extend, medially rotate femur, flex knee

34
Q

Long head of bicep femoris action

A

Extend, laterally rotate, and flex knee

35
Q

Short head of bicep femoris

A

Flex knee

36
Q

Innervation of rectus femoris

A

femoral n

37
Q

Innervation of vastus medialis

A

femoral n

38
Q

Innervation of vastus intermedius

A

femoral n

39
Q

Innervation of vastus lateralis

A

femoral n

40
Q

Innervation of pectineus

A

Obturator and femoral n

41
Q

Innervation of adductor magnus

A

Obturator and tibial n

42
Q

Innervation of adductor brevis

A

Obturator n

43
Q

Innervation of adductor longus

A

Obturator n

44
Q

Innervation of Sartorius

A

femoral n

45
Q

Innervation of gracilis

A

Obturator n

46
Q

Innervation of semimembranosus

A

Tibial portion of sciatic n

47
Q

Innervation of semitendinosus

A

Tibial portion of sciatic n

48
Q

Innervation of bicep femoris

A

Tibial portion of sciatic n

Human Gross Anatomy (17 decks)

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