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Anatomy > Gluteal Muscles > Flashcards

Gluteal Muscles Flashcards

1
Q

What is the MA of the Gluteus Maximus?

A

Hip extension (especially from a flexed position)

Assists in lateral rotation of the hip

Fixes hip joint and assists in rising from sitting position

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2
Q

What is the PA of the Gluteus Maximus?

A

Posterior gluteal line of ilium, dorsal sacrum and coccyx, and sacrotuberous ligament

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3
Q

What is the DA of the Gluteus Maximus?

A

Most fibers end in iliotibial tract (IT Band), which attaches to Gerdy’s tubercle & some fibers insert on gluteal tuberosity

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4
Q

What is the N for the Gluteus Maximus?

A

Inferior gluteal nerve (L5, S1, & S2)

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5
Q

What is the MA of the Gluteus Medius?

A

Abduction of the hip

Anterior fibers medially rotate the hip

Posterior fibers laterally rotate the hip joint

Keeps pelvis level when ipsilateral limb is weight bearing and advance opposite (unsupported) side during its swing phase

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6
Q

What is the PA of the Gluteus Medius?

A

Ilium, between anterior and posterior gluteal lines

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7
Q

What is the DA of the Gluteus Medius?

A

Greater trochanter

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8
Q

What is the N for the Gluteus Medius?

A

Superior gluteal nerve (L4, L5, & S1)

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9
Q

What is the MA of the Gluteus Minimus?

A

Abduction of the hip

Anterior fibers medially rotate the hip

Keeps pelvis level when ipsilateral limb is weight bearing and advance opposite (unsupported) side during its swing phase

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10
Q

What is the PA of the Gluteus Minimus?

A

Ilium, between anterior and inferior gluteal lines

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11
Q

What is the DA of the Gluteus Minimus?

A

Greater trochanter

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12
Q

What is the N for the Gluteus Minimus?

A

Superior gluteal nerve (L4, L5, & S1)

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13
Q

What is the MA of the Tensor Fasciae Latae?

A

Abduction and medial rotation of the hip joint

Keeps pelvis level when ipsilateral limb is weight bearing and advance opposite (unsupported) side during its swing phase

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14
Q

What is the PA of the Tensor Fasciae Latae?

A

Anterior superior iliac spine (ASIS) and anterior iliac crest

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15
Q

What is the DA of the Tensor Fasciae Latae?

A

Iliotibial tract (IT Band), which attaches to Gerdy’s tubercle of the tibia

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16
Q

What is the N for the Tensor Fasciae Latae?

A

Superior gluteal nerve (L4, L5, & S1)

17
Q

What is the MA of the Piriformis?

A

Lateral rotation of the hip joint when extended

Abduction of the hip joint when flexed

Stabilization of the hip joint

18
Q

What is the PA of the Piriformis?

A

Anterior sacrum and sacrotuberous ligament

19
Q

What is the DA of the Piriformis?

A

Greater trochanter

20
Q

What is the N for the Piriformis?

A

Anterior rami of S1 & S2

21
Q

What is the MA of the Obturator Internus?

A

Lateral rotation of the hip joint when extended

Abduction of the hip when flexed

Stabilization of the hip joint

22
Q

What is the PA of the Obturator Internus?

A

Pelvic surface of obturator membrane and surrounding bones

23
Q

What is the DA of the Obturator Internus?

A

Greater trochanter

24
Q

What is the N for the Obturator Internus?

A

Nerve to obturator internus (L5 & S1)

25
Q

What is the MA of the Superior and Inferior Gemelli?

A

Lateral rotation of the hip joint when extended

Abduction of the hip joint when flexed

Stabilization of the hip joint

26
Q

What is the PA of the Superior and Inferior Gemelli?

A

Superior: ischial spine

Inferior: ischial tuberosity

27
Q

What is the DA of the Superior and Inferior Gemelli?

A

Greater trochanter

28
Q

What is the N for the Superior and Inferior Gemelli?

A

Superior: nerve to obturator internus (L5 & S1)

Inferior: nerve to quadratus femoris (L5 & S1)

29
Q

What is the MA of the Quadratus Femoris?

A

Lateral rotation and stabilization of the hip joint

30
Q

What is the PA of the Quadratus Femoris?

A

Ischial tuberosity

31
Q

What is the DA of the Quadratus Femoris?

A

The quadrate tubercle

32
Q

What is the N for the Quadratus Femoris?

A

Nerve to quadratus femoris (L5 & S1)

Anatomy (29 decks)

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