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Anatomy Exam 3 > Muscles- gluteal region and posterior thigh > Flashcards

Muscles- gluteal region and posterior thigh Flashcards

1
Q

Gluteus maximus

attachment

A

ilium posterior to posterior gluteal line, posterior surface of sacrum and coccyx, sacrotuberous ligament, iliotibial tract to anterolateral tubercle of tibia, and gluteal tuberosity of femur

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2
Q

Gluteus maximus

action

A

extends and laterally rotates thigh, extends trunk

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3
Q

Gluteus maximus

innervation

A

inferior gluteal nerve (L5-S2)

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4
Q

Gluteus medius

attachment

A

ilium between anterior and posterior gluteal lines and greater trochanter of femur

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5
Q

Gluteus medius

action

A

abducts and medially rotates thigh; keeps pelvis level when standing on one leg

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6
Q

Gluteus medius

innervation

A

superior gluteal nerve (L5-S1)

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7
Q

Gluteus minimus

attachment

A

ilium between anterior and inferior gluteal lines and greater trochanter of femur

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8
Q

Gluteus minimus

action

A

abducts and medially rotates thigh; keeps pelvis level when standing on one leg

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9
Q

Gluteus minimus

innervation

A

superior gluteal nerve (L5-S1)

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10
Q

Tensor fascia latae

attachment

A

anterior superior iliac spine, iliac crest, iliotibial tract to anterolateral tubercle of tibia

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11
Q

Tensor fascia latae

action

A

abducts and medially rotates thigh; keeps pelvis level when standing on one leg

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12
Q

Tensor fascia latae

innervation

A

superior gluteal nerve (L5-S1)

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13
Q

Piriformis

attachment

A

anterior surface of sacrum to greater trochanter of femur

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14
Q

Piriformis

action

A

laterally rotates an extended thigh; abducts a flexed thigh

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15
Q

Piriformis

innervation

A

branches of anterior rami S1-S2

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16
Q

Obturator internus

attachment

A

internal surface of obturator membrane, internal margin of obturator foramen, greater trochanter of femur

17
Q

Obturator internus

action

A

laterally rotates an extended thigh; abducts a flexed thigh

18
Q

Obturator internus

innervation

A

nerve to obturator internus (L5-S1)

19
Q

Superior gemellus

attachment

A

ischial spine to greater trochanter femur

20
Q

Superior gemellus

action

A

laterally rotates an extended thigh; abducts a flexed thigh

21
Q

Superior gemellus

innervation

A

nerve to obturator internus (L5-S1)

22
Q

Inferior gemellus

attachment

A

ischial tuberosity to greater trochanter femur

23
Q

Inferior gemellus

action

A

laterally rotates an extended thigh; abducts a flexed thigh

24
Q

Inferior gemellus

innervation

A

nerve to quadratus femoris (L5-S1)

25
Q

Quadratus femoris

attachment

A

ischial tuberosity to intertrochanteric crest of femur

26
Q

Quadratus femoris

action

A

laterally rotates thigh

27
Q

Quadratus femoris

innervation

A

nerve to quadratus femoris (L5-S1)

28
Q

Semitendinosus

attachment

A

ischial tuberosity and inferior to medial condyle of tibia via pes anserinus

29
Q

Semitendinosus

action

A

extends thigh or trunk; flexes and rotates leg medially

30
Q

Semitendinosus

innervation

A

tibial nerve (L5-S2)

31
Q

Semimembranosus

attachment

A

ischial tuberosity and medial epicondyle of tibia

32
Q

Semimembranosus

action

A

extends thigh or trunk; flexes and rotates leg medially

33
Q

Semimebranosus

innervation

A

tibial nerve (L5-S2)

34
Q

Biceps femoris-long head

attachment

A

ischial tuberosity to head of fibula

35
Q

Biceps femoris-long head

action

A

extends thigh or trunk; flex and rotate leg laterally

36
Q

Biceps femoris-long head

innervation

A

tibial nerve (L5-S2)

37
Q

Biceps femoris-short head

attachment

A

linea aspera and lateral supracondylar line of femur to head of fibula

38
Q

Biceps femoris-short head

action

A

flex and rotate leg laterally

39
Q

Biceps femoris-short head

innervation

A

common fibular nerve (L5-S2)

Anatomy Exam 3 (9 decks)

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