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lower extremity > Lateral rotators > Flashcards

Lateral rotators Flashcards

1
Q

Lateral rotators

A

piriformis
superior gemellus
obturator internus
inferior gemellus
quadratus femoris
obturator externus

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2
Q

piriformis origin

A

Anterior surface of sacrum

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3
Q

piriformis insertion

A

Greater trochanter of femur

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4
Q

piriformis action

A

Lateral rotation & abduction of thigh at hip jnt.

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5
Q

piriformis innervation

A

sacral plexus

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6
Q

Superior gemellus origin

A

Ischial spine

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7
Q

Superior gemellus insertion

A

Greater trochanter of femur

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8
Q

Superior gemellus action

A

Lateral rotation & abduction of thigh at hip jnt.

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9
Q

Superior gemellus innervation

A

lumbosacral plexus

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10
Q

Obturator internus origin

A

Inner surface of obturator foramen, pubis & ischium

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11
Q

Obturator internus insertion

A

Greater trochanter of femur

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12
Q

Obturator internus action

A

Lateral rotation & abduction of thigh at hip jnt.

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13
Q

Obturator internus innervation

A

Lumbosacral
plexus

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14
Q

inferior gemellus origin

A

Ischial tuberosity

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15
Q

inferior gemellus insertion

A

Greater trochanter of femur

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16
Q

inferior gemellus action

A

Lateral rotation & abduction of thigh at hip jnt.

17
Q

inferior gemellus innervation

A

Lumbosacral
plexus

18
Q

Quadratus femoris origin

A

Ischial tuberosity

19
Q

Quadratus femoris insertion

A

Quadrate
tubercle of femur

20
Q

Quadratus femoris action

A

Lateral rotation of thigh at hip jnt.

21
Q

Quadratus femoris innervation

A

Lumbosacral
plexus

22
Q

Obturator externus origin

A

Outer surface of obturator foramen & membrane

23
Q

Obturator externus insertion

A

Trochanteric fossa of femur

24
Q

Obturator externus action

A

Lateral rotation & abduction of thigh at hip jnt.

25
Q

Obturator externus innervation

A

Obturator n.

lower extremity (17 decks)

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