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Anatomy > External Hip Rotators > Flashcards

External Hip Rotators Flashcards

1
Q

What is the Shape of Quadratus Femoris

A

Short, Rectangular

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2
Q

What is the Location of Quadratus Femoris

A

Most Inferior of Group

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3
Q

What is the Origin of Quadratus Femoris

A

Ischial Tuberosity

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4
Q

What is the Insertion of Quadratus Femoris

A

Intertrochanteric Crest of Femur

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5
Q

What are the Actions of Quadratus Femoris

A

External Rotation of Hip/Thigh, Stabilize Thigh

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6
Q

What is the Innervation of Quadratus Femoris

A

Nerve to Quadratus Femoris

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7
Q

What is the Shape of Obturator Externus

A

Flat, Triangular

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8
Q

What is the Location of Obturator Externus

A

Deep to Pectineus and Adductor Brevis, It’s Tendon wraps Posteriorly around Femoral neck

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9
Q

What are the Origin’s of Obturator Externus

A

Margin (edge) of Obturator Foramen and Obturator Membrane

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10
Q

What is the Insertion of Obturator Externus

A

Trochanteric Fossa of the Femur

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11
Q

What are the Actions of Obturator Externus

A

External Rotation of Hip/Thigh, Stabilize Thigh

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12
Q

What is the Shape of Gemellus Inferior

A

Small, Triangular

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13
Q

What is the Location of Gemellus Inferior

A

Blends with the Inferior aspect of Obturator Internus

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14
Q

What is the Origin of Gemellus Inferior

A

Ischial Tuberosity

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15
Q

What is the Insertion of Gemellus Inferior

A

Greater Trochanter

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16
Q

What are the Actions of Gemellus Inferior

A

External Rotation, Abduction, Stabilize Thigh

17
Q

What is the Innervation of Gemellus Inferior

A

Nerve to Obturator Internus

18
Q

What is the Shape of Piriformis

A

Pear shaped, Relatively short

19
Q

What is the Location of Piriformis

A

Deep to Glut Max, Divides the Gluteal Region into Superior and Inferior parts

20
Q

What is the Origin of Piriformis

A

Anterior surface of the Sacrum

21
Q

What is the Insertion of Piriformis

A

Greater Trochanter of Femur (superior aspect)

22
Q

What are the Actions of Piriformis

A

External Rotation, Abduction, Stabilizes Thigh

23
Q

What is the Innervation of Piriformis

A

Nerve to Piriformis

24
Q

What is the Shape of Gemellus Superior

A

Small, Triangular

25
Q

What is the Location of Gemellus Superior

A

Blends with the Superior aspect of the Obturator Internus

26
Q

What is the Origin of Gemellus Superior

A

Ischial Spine

27
Q

What is the Insertion of Gemellus Superior

A

Greater Trochanter

28
Q

What are the Actions of Gemellus Superior

A

External Rotation, Abduction, Stabilizes Thigh

29
Q

What is the Innervation of Gemellus Superior

A

Nerve to Obturator Internus

30
Q

What is the Shape of Obturator Internus

A

Thick, Triangular

31
Q

What is the Location of Obturator Internus

A

Passes through the Lesser Sciatic Foramen

32
Q

What are the Origins of Obturator Internus

A

Pelvic (medial) surface of the Obturator Foramen and Obturator Membrane

33
Q

What is the Insertion of Obturator Internus

A

External Rotation, Abduction, Stabilizes Thigh

34
Q

What is the Innervation of Obturator Internus

A

Nerve to Obturator Internus

Anatomy (30 decks)

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