muscles Of gluteal Region Flashcards

0
Q

Gluteus Maximus insertion

A

Fibers end in iliotibial tract, inserts into lateral. Condyle of tibia
Some fibers gluteal tuberosity of femur

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1
Q

Gluteus Maximus orgin

A

Ilium posterior to gluteal line, dorsal surface of sacrum and coccyx

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2
Q

Gluteus Maximus innervation

A

Inferior gluteal nerve (S1, S2)

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3
Q

Gluteus Maximus action

A

Extends hip joint between flexed and standing position and assists in its lateral rotation

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4
Q

Gluteus Medius orgin

A

External surface of ilium between anterior and posterior gluteal lines

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5
Q

Gluteus Medius insertion

A

Lateral surface of greater trochantor 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

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8
Q

Gluteus Minimus orgin

A

External surface of ilium between anterior and inferior gluteal lines

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9
Q

Gluteus Minimus insertion

A

Anterior surface of greater trochanter of femur

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10
Q

Gluteus Minimus innervation

A

Superior gluteal nerve L4 L5 S1

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11
Q

Gluteus Minimus action

A

Abduct and anterior portions. Medially rotate hip

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12
Q

Tensor fasciae latae Orgin

A

Anterior superior iliac spine, anterior part of iliac crest

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13
Q

Tensor fasciae latae insertion

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 action

A

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

16
Q

Piriformis orgin

A

Anterior portion of 2nd - 4th sacral segments, superior margin of greater sciatic notch

17
Q

Piriformis insertion

A

Superior border of greater trochanter of femur

18
Q

Piriformis innervation

A

Branches of anterior rami S1 and S2

19
Q

Piriformis action

A

Laterally rotate extended hip joint , abducts flexed hip joint stabilizes hip joint

20
Q

Obturator internus orgin

A

Pelvic surface of ilium and ischium obturator

21
Q

Obturator internus insertion

A

Medial surface of greater trochanter of femur (trochantric fossa of femur)

22
Q

Obturator internus innervation

A

Nerve to obturator internus L5 S1

23
Q

Obturator internus action

A

Laterally rotate extended hip joint , abducts flexed hip joint stabilizes hip joint

24
Q

Gameli superior and inferior origins

A

Superior: ischial spine
Inferior: ischial tuberosity

25
Q

Gameli superior and inferior insertions

A

Medial surface of greater trochanter of femur (trochantric fossa)

26
Q

Gameli superior and inferior innervation

A

Superior : obturator nerve L5 S1

Inferior : nerve to quadratus femoris L5 S1

27
Q

Gameli superior and inferior action

A

Laterally rotate extended hip joint , abducts flexed hip joint stabilizes hip joint

28
Q

Quadratus femoris orgin

A

Lateral border of ischial tuberosity

29
Q

Quadratus femoris insertion

A

Quadrate tubercle on intertrochantric crest of femur

And area inferior to it

30
Q

Quadratus femoris innervation

A

nerve to quadratus femoris L5 S1

31
Q

Quadratus femoris action

A

Laterally rotates hip, pulls femoral head into acetabulum stabilizes