Gluteal Region

Question 1

Gluteus maximus
Innervation:
Roots:
Movement:

Answer 1

inferior gluteal nerve
L5, *S1, *S2
extend thigh; assist in lateral rotation; assist in rising from sitting

Question 2

Gluteus medius
Innervation:
Roots:
Movement:

Answer 2

superior gluteal nerve
*L5, S1
abduct and medially rotate thigh;

Question 3

Gluteus minimus
Innervation:
Roots:
Movement:

Answer 3

Superior gluteal nerve
*L5, S1
abduct and medial rotate thigh

Question 4

Tensor fasciae latae
Innervation:
Roots:
Movement:

Answer 4

superior gluteal nerve
*L5, S1
abduct and medial rotate thigh

Question 5

Piriformis
Innervation:
Roots:
Movement:

Answer 5

branches of anterior rami
*S1, S2
laterally rotate extended thigh; abduct flexed thigh

Question 6

Obturator internus
Innervation:
Roots:
Movement:

Answer 6

nerve to obturator internus
L5,*S1
laterally rotate extended thigh; abduct flexed thigh

Question 7

Superior gemelli
Innervation:
Roots:
Movement:

Answer 7

nerve to obturator internus
L5, *S1
laterally rotate extended thigh; abduct flexed thigh

Question 8

Inferior gemelli
Innervation:
Roots:
Movement:

Answer 8

nerve to quadratus femoris
L5, S1
laterally rotate extended thigh; abduct flexed thigh

Question 9

Quadratus femoris
Innervation:
Roots:
Movement:

Answer 9

nerve to quadratus femoris
L5, S1
laterally rotates thigh