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Anatomy > Gluteal region > Flashcards

Gluteal region Flashcards

1
Q

What are the main movements of the gluteal region?

A

Abduction
Extension
Lateral rotation
(Of the lower limb)

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2
Q

What are the two main groups of gluteal muscles?

A

Deep lateral rotators

Superficial abductors and extensors

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3
Q

What are the superficial muscles?

A

Gluteus maximus
Gluteus medius
Gluteus minimus

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4
Q

What are the actions of the Gluteus maximus?

A

The main extensor of the thigh

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5
Q

What innervates the Gluteus maximus?

A

The inferior gluteal nerve

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6
Q

What are the actions of the Gluteus medius?

A

Abduction
Prevents pelvic drop
Slight medial rotation with flexed hip

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7
Q

What innervates the Gluteus medius?

A

Superior gluteal nerve

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8
Q

What are the actions of Gluteus minimus?

A

Medial rotator with flexed hip
Abduction
Prevents pelvic drop

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9
Q

What innervates the Gluteus minimus?

A

Superior gluteal nerve

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10
Q

What does damage to the superior gluteal nerve cause?

A

Paralysis of the Gluteus minimus and medius

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11
Q

How can you test for superior gluteal nerve damage?

A

Test for pelvic drop

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12
Q

What is pelvic drop?

A

When patient raises uneffected leg, the pelvis will tilt towards the uneffected side.

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13
Q

What are the deep muscles of the gluteal region?

A

Piriformis
Oburator internus
Superior and inferior Gemelli
Quadratus femoris

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14
Q

What are the main actions of the Piriformis?

A

Lateral rotation

Abduction

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15
Q

What innervates the Piriformis?

A

Nerve to piriformis

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16
Q

Why is the piriformis clinically important?

A

Travels through the greater sciatic foramen so divides it inot inferior and superior

17
Q

What are the main actions of Oburator internus?

A

Lateral rotation

Abduction

18
Q

What innervates the Oburator internus?

A

Nerve to Oburator internus

19
Q

What separates the superior and inferior Gemelli?

A

The tendon of Oburator internus.

20
Q

What are the main actions of the inferor and superior Gemelli?

A

Lateral rotation

Abduction

21
Q

What innervates the inferior and superior Gemelli?

A

Superior - nerve to Oburator internus

Inferior - nerve to Quadratus femoris

22
Q

What is the main action of Quadratus femoris?

A

Lateral rotation

23
Q

What innovates the Quadratus femoris?

A

Nerve to quadratus femoris

Anatomy (45 decks)

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