Butt Stuff

Question 1

What are the actions of the gluteus maximus? Innervation?

Answer 1

Action-hip abduction, extension, lateral rotation

Innervation-inferior gluteal nerve

Question 2

What are the actions of the gluteus medius?

Innervation?

Answer 2

Action-main hip abductor (with minimus), anterior fibers medially rotate the hip and flex the hip
Innervation-superior gluteal nerve

Question 3

What are the actions of the gluteus minimus?

Innervation?

Answer 3

Action-main hip abductor (with medius), medial rotation of the hip
Innervation-superior gluteal nerve

Question 4

What is the innervation of the Tensor Fascia Latta?

Answer 4

Superior gluteal nerve

Question 5

What is the innervation of the obturator internus?

Action?

Answer 5

Innervation-nerve to the obturator internus (L5-S2)

Action-lateral hip rotation

Question 6

Where does the obturator internus pass through?

Answer 6

Lesser sciatic foramen

Question 7

What is the innervation of the piriformis?

Action?

Answer 7

Innervation-nerve to piriformis (S1, S2)

Action-lateral hip rotation

Question 8

Where does the piriformis pass through?

Answer 8

Greater sciatic foramen

Question 9

What is the innervation of the inferior and superior gemelli?
Action?

Answer 9

Inferior innervation-nerve to obturator internus
Superior innervation-nerve to quadratus femoris
Action-lateral hip rotation

Question 10

What is the innervation and action of the quadratus femoris?

Answer 10

Innervation-nerve to quadratus femoris (L4-S1)

Action-lateral hip rotation