Lower limb anatomy (gross & clinical)

Question 1

Which muscles does Tredenlenburg’s sign test for?

Answer 1

Gluteus medius and gluteus minimus

Question 2

Which muscles make up the superficial muscle group of gluteal region?

Answer 2

gluteus maximus, gluteus medius, gluteus minimus, tensor fascia latae

Question 3

How are the superficial muscles of the gluteal region innervated?

Answer 3

gluteus maximus = inferior gluteal
all others = superior gluteal

Question 4

What are the functions of muscles of superficial gluteal region?

Answer 4

extensors, abductors and medial rotators of thigh

gluteus maximus participates in lateral rotation of thigh as well

Question 5

Which muscles make up the deep muscle group of gluteal region?

Answer 5

piriformis, obturator internus, gemelli and quadratus femoris

Question 6

How are the deep muscles of the gluteal region innervated?

Answer 6

Branches of sacral plexus

Question 7

What are the functions of muscles of deep gluteal region?

Answer 7

lateral rotators of thigh and hip joint stabilisers