Deep Muscles of the Gluteal Region: Deep Lateral Rotators Flashcards by camelia rubalcava | Brainscape

Q

What is the origin of the piriformis?

A

anterior sacrum

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Q

What is the origin of the gemellus superior?

A

ischial spine

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Q

What is the origin of the obturator internus?

A

medial margin of the obturator foramen

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Q

What is the origin of the gemellus inferior?

A

ischial tuberosity

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Q

What is the origin of the quadratus femoris?

A

ischial tuberosity

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Q

What is the insertion of the piriformis?

A

greater trochanter of femur

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Q

What is the insertion of the gemellus superior?

A

greater trochanter of femur

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Q

What is the insertion of the obturator internus?

A

greater trochanter of femur

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Q

What is the insertion of the quadratus femoris?

A

greater trochanter of femur

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Q

What action does the piriformis do?

A

lateral rotation of the thigh (hip joint)

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Q

What action does the gemellus superior do?

A

lateral rotation of the thigh (hip joint)

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Q

What action does the obturator internus do?

A

lateral rotation of the thigh (hip joint)

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Q

What action does the gemellus inferior do?

A

lateral rotation of the thigh (hip joint)

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Q

What action does the quadratus femoris do?

A

lateral rotation of the thigh (hip joint)

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Q

What nerve helps find the piriformis?

A

sciatic nerve

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