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Anatomy109 > MUSCLES OF GLUTEAL REGION > Flashcards

MUSCLES OF GLUTEAL REGION Flashcards

1
Q

What are the superficial muscles of the gluteal region?

A

Gluteus maximus, gluteus medius, gluteus minimus

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2
Q

What covers the muscles of the gluteus region?

A

Fascia

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3
Q

What is the gluteal region responsible for?

A

Upright sitting position

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4
Q

Where does the gluteal region end superiorly?

A

Iliac crest

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5
Q

Where does the gluteal region end inferiorly?

A

Gluteal fold

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6
Q

What separates the gluteus maximus?

A

Intermediate gluteus cleft

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7
Q

Where is the anus allocated?

A

Intermediate gluteal cleft

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8
Q

Where is the gluteal region located?

A

Lies behind the pelvis

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9
Q

What are the deep muscles of the gluteal region?

A

Superior and inferior gemellus, obturator internus, piriformis and quadratus femoris

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10
Q

Description of gluteus maximus

A

1.Largest and most superficial
2. Slopes at 45

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11
Q

Action of gluteal maximus

A

Extensor, Abductor, Lateral rotator of hip

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12
Q

Innervation of gluteal maximus

A

Inferior gluteal nerve

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13
Q

Innervation of Gluteus medius and Gluteus minimus

A

Superior gluteal nerve

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14
Q

Action of gluteus medius and gluteus minimus

A

Abductor
Medial rotation of hip
Maintains balance when opp foot is of the ground
Prevents opp pelvis from tilting downwards

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15
Q

Innervation of Tensor facia lata

A

Superior gluteal nerve

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16
Q

Action of Tensor fascia lata

A

Abductor
Medial rotator of hip
Stabilising the pelvis

17
Q

Where is the intramuscular injection?

A

Upper outer quadrant of gluteal region

18
Q

Muscles in the intramuscular injection

A

Gluteus medius
Gluteus minimus
Tensor facia lata

19
Q

Innervation of piriformis

A

Ventral rami of S1&2

20
Q

Action of piriformis

A

Lateral rotator of hip
Abductor

21
Q

Sacrospinous ligament attachments

A

Sacrococcygeal junction to the ischial spine

22
Q

Sacrotuberous ligament attachment

A

Lateral sacral and coccygeal region and medial ischial tuberosity

23
Q

Funtion of sacrotuberous and sacrospinous lig.

A

Divides region into greater and lesser sciatic foramen

24
Q

Innervation of obturator internus

A

Nerve to obturator internus

25
Q

Innervation of superior gemellus

A

Nerve to obturator internus

26
Q

Innervation of inferior gemellus

A

Nerve to quadratus femoris

27
Q

Innervation of quadratus femoris

A

Nerve to quadratis femoris

28
Q

Arterial supply of gluteal muscles

A

Superior and inferior gluteal arteries

29
Q

Structures above piriformis

A

Superior gluteal nerve and vessels

30
Q

Structures below piriformis

A

Inferior gluteal nerve and vessels, sciatic nerve, nerve to quadratus femoris, nerve to obturator internus, pudental nerve

Anatomy109 (11 decks)

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