The Gluteal Region

Question 1

what borders the gluteal region?

Answer 1

iliac crests
gluteal fold/sulcus
greater trochanter

Question 2

muscles of the superficial group

Answer 2

gluteus maximus
gluteus medius
gluteus minimus
tensor fascia latae

Question 3

muscles of the deep group

Answer 3

piriformis
obturator internus
gemelli
quadratus femoris

Question 4

action of gluteus maximus

Answer 4

extensor of the hip

Question 5

innervation of gluteus maximus

Answer 5

inferior gluteal nerve (L5, S1, S2)

Question 6

action of gluteus medius and minimus

Answer 6

abduction of the hip

internal rotation

Question 7

what innervates gluteus medius and minimus

Answer 7

superior gluteal nerve (L4, L5 and S1)

Question 8

role of the deep muscle group

Answer 8

lateral rotators (external rotation)

Question 9

innervation of the deep muscle group

Answer 9

nerves from the sacral plexus

Question 10

what nerves pass through the gluteal region

Answer 10

sciatic L4- S3 (inferior to piriformis)
pudendal (S2- S4)
posterior cutaneous nerve of the thigh (S2-3)

Question 11

what does the sciatic nerve separate into?

Answer 11

tibial nerve

common fibular nerve