Superficial gluteal region Flashcards Preview

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Flashcards in Superficial gluteal region Deck (21):
1

Origin of gluteal maximus

Posterior surface of ilium, sacrum and coccyx

2

Attachment of gluteus maximus

Iliotibial tract and greater trochanter

3

Action of gluteus maximus

Main thigh extensor,
Assists with lateral rotation

4

Innervation of gluteus maximus

Inferior gluteal nerve

5

Origin of gluteal medius

Gluteal (posterior) surface of ilium

6

Attachment of gluteal medius

Lateral surface of greater trochanter

7

Action of gluteal medius

Abducts and medially rotates lower limb
During locomotion it secures the pelvis, preventing pelvic drop of the opposite limb

8

Innervation of gluteal medius

Superior gluteal nerve

9

Origin of gluteal minimus

Ilium

10

Attachment of gluteal minimus

Anterior side of greater trochanter

11

Action of gluteal minimus

Abducts and medially rotates lower limb
During locomotion it secures the pelvis, preventing pelvic drop on opposite limb

12

Innervation of gluteal minimus

Superior gluteal nerve

13

Origin of tensor fascia lata

Anterior iliac crest and ASIS

14

Attachment of tensor fascia lata

Iliotibial tract which itself attaches to the lateral condyle of the tibia

15

Actions of the tensor fascia lata

Abduction and medial rotation of lower limb
Supportive role in gait cycle

16

Innervation of tensor fascia lata

Superior gluteal nerve

17

Muscles of the superficial gluteal regions

Gluteus maximus, gluteus medius, gluteus minimus and tensor fascia lata

18

How is the pelvis stabilised during locomotion

In standing, gluteus medius and minimus contract when the contralateral leg raised to prevent pelvis dropping on that side

19

Consequence of superior gluteal nerve damage

Positive trendelenberg sign

20

How do you test for trendelenberg sign

Ask patient to stand unassisted on each leg in turn

21

What's positive trendelenberg sign

Pelvic drop occurs on unsupported leg (uneven level of iliac crests)

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