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GA 2 LAB > Lower Limb OIAs > Flashcards

Lower Limb OIAs Flashcards

1
Q

Obturator externus origin

A

External margins of obturator foremen and obturator membrane

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2
Q

Obturator externus insertion

A

Trochanteric fossa of femur (lateral attachment)

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3
Q

Obturator externus action innervation

A

Laterally rotates the thigh

Obturator N

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4
Q

Gluteus Maximus origin

A

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

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5
Q

Gluteus Maximus insertion

A

Iliotibial tract and gluteal tuberosity

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6
Q

Gluteus Maximus action and innervation

A

Extends and laterally rotates the thigh

Inferior gluteal N

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7
Q

Gluteus medius origin

A

External surface of ilium between anterior and posterior gluteal lines and gluteal fascia

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8
Q

Gluteus medius insertion

A

Lateral surface of greater trochanter of the femur

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9
Q

Gluteus medius actions and innervation

A

Abducts and medially rotates the thigh

Superior gluteal N

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10
Q

Gluteal minimis origin

A

Lateral surface of the ilium between the anterior gluteal and inferior gluteal lines

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11
Q

Gluteus minimus insertion

A

Anterior surface of greater trochanter of the femur

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12
Q

Gluteus minimis action and innervation

A

Abducts and medially rotates the thigh

Superior gluteal n.

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13
Q

Piriformis origin

A

Anterior surface of the sacrum

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14
Q

Piriformis insertion

A

Greater trochanter of the femur

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15
Q

Piriformis action

A

Laterally/ externally rotates the thigh

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16
Q

Piriformis nerve

A

Anterior rami of S1 and S2

17
Q

Obturator internus origin

A

Internal margin of the obturator foremen and inner surface of the obturator membrane

18
Q

Obturator internus insertion

A

Greater trochanter of the femur

19
Q

Obturator internus action

A

Externally rotates the thigh

20
Q

Obturator internus nerve

A

Nerve to obturator internus

21
Q

Superior gemellus origin

A

Ischial spine 

22
Q

Superior gemellus insertion

A

Greater trochanter of the femur and obturator internus tendon

23
Q

Superior gemellus action

A

externally rotates the thigh

24
Q

Superior gemellus innervation

A

Nerve to obturator internus

25
Q

Inferior gemellus origin

A

Ischial tuberosity

26
Q

Inferior gemellus insertion

A

Greater trochanter of the femur and obturator internus tendon

27
Q

Inferior gemellus action

A

externally rotates the thigh

28
Q

Inferior gemellus innervation

A

Nerve to Quadratus femoris

29
Q

Quadratus femoris

A

Ischial tuberosity

30
Q

Quadratus femoris insertion

A

Quadratus tubercle

31
Q

Quadratus femoris action

A

Externally rotates the thigh

32
Q

Quadratus femoris innervation

A

Nerve to Quadratus femoris

GA 2 LAB (2 decks)

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