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Gross anatomy test 4 > Gluteal region muscles > Flashcards

Gluteal region muscles Flashcards

0
Q

Gluteus Maximus Distal attachment

A

Most fibers end in iliotibial tract, which inserts into lateral condyle of tibia; some fibers insert on gluteal tuberosity of femur

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1
Q

Gluteus Maximus proximal attachment

A

Ilium posterior to posterior gluteal line; dorsal surface of sacrum and coccyx; and sacrotuberous ligament

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2
Q

Gluteus Maximus innervation

A

Inferior gluteal nerve L5, S1, S2

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3
Q

Gluteus Maximus action

A

Extends hip joint between flexed and standing positions and assists in its lateral rotation; steadies thigh and assists in rising from sitting

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4
Q

Gluteus Medius proximal attachment

A

External surface of ilium between anterior and posterior gluteal lines

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5
Q

Gluteus Medius Distal attachment

A

Lateral surface of greater trochanter of femur

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6
Q

Gluteus Medius innervation

A

Superior gluteal nerve L4, L5, S1

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7
Q

Gluteus Medius action

A

Abduct and anterior portions medially rotate hip joint; keep pelvis level when opposite limb is elevated

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8
Q

Gluteus minimus action

A

Abduct and anterior portions medially rotate hip joint; keep pelvis level when opposite limb is elevated

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9
Q

Gluteus minimus Proximal attachment

A

External surface of ilium between anterior and inferior gluteal lines

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10
Q

Gluteus minimus distal attachment

A

Anterior surface of greater trochanter of femur

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11
Q

Gluteus minimus innervation

A

Superior gluteal nerve L4, L5, S1

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12
Q

Tensor Fasciae Latae Proximal attachment

A

Anterior superior iliac spine; anterior part of iliac crest

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13
Q

Tensor Fasciae Latae distal attachment

A

Iliotibial tract, which attaches to lateral condyle of tibia (Gerdy tubercle)

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14
Q

Tensor Fasciae Latae innervation

A

Superior Gluteal nerve L4, L5, S1

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15
Q

Tensor Fasciae Latae actions

A

Flexes hip joint, acts with gluteus maximus to stabilize the extended knee joint

16
Q

Piriformis proximal attachment

A

Anterior surface of 2nd-4th sacral segments, superior margin of greater sciatic notch and sacrotuberous ligament

17
Q

Piriformis distal attachment

A

Superior border of greater trochanter of femur

18
Q

Piriformis innervation

A

Branches of anterior rami S1, S2

19
Q

Piriformis action

A

Laterally rotate extended hip joint; abduct flexed hip joint; steady femoral head in acetabulum (Stabilizes hip joint)

20
Q

Obturator internus action

A

Laterally rotate extended hip joint; abduct flexed hip joint; steady femoral head in acetabulum (Stabilizes hip joint)

21
Q

Gemelli superior and inferior action

A

Laterally rotate extended hip joint; abduct flexed hip joint; steady femoral head in acetabulum (Stabilizes hip joint)

22
Q

Obturator internus proximal attachment

A

pelvic surface of ilium and ischium, obturator membrane

23
Q

Obturator internus distal attachment

A

Medial surface of greater trochanter (trochanteric fossa) of femur

24
Q

Obturator internus innervation

A

Nerve to obturator internus L5, S1

25
Q

Gemelli superior and inferior proximal attachment

A

superior: Ischial spine
Inferior: Ischial tuberosity

26
Q

Gemelli superior and inferior distal attachment

A

Medial surface of greater trochanter (Trochanteric fossa) of femur

27
Q

Gemelli superior and inferior innervation

A

Superior: Nerve to obturator internus L5, S1
Inferior: Nerve to quadratus femoris L5, S1

28
Q

Quadratus femoris Proximal attachment

A

Lateral border of Ischial tuberosity

29
Q

Quadratus femoris distal attachment

A

Quadrate tubercle on intertrochanteric crest of femur and area inferior to it

30
Q

Quadratus femoris innervation

A

Nerve to quadratus femoris L5, S1

31
Q

Quadratus femoris actions

A

Laterally rotates hip joint; also pulls femoral head into acetabulum to stabilize hip joint/pelvis

Gross anatomy test 4 (8 decks)

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