Gluteal Muscles

Question 1

Gluteus Maximus

Answer 1

Chief extensor of thigh
Lateral rotation
Slight extension of leg

Inferior gluteal

Question 2

Gluteus medius and minimus

Answer 2

Thigh ABduction
Medial rotation

Superior gluteal

Question 3

Tensor fascia lata

Answer 3

ABducts thigh
Medially rotates thigh
Flexes thigh
Slight extension of knee

Superior gluteal

Question 4

What damage to the superior gluteal nerve would cause which clinical disorder?

Answer 4

Duchenne’s Limp/Gluteal gait/Trendelenburgs gait - damage to superior gluteal nerve would halt motor impulses to the lateral gluteal muscle

Question 5

Where should an intragluteal injection be made in order to avoid the sciatic nerve and other gluteal nerves and vessel?

Answer 5

Supero-lateral part

Question 6

Which of the small lateral rotators of the hip is least effective when the thigh is flexed?

a. Gluteus maximus
b. Quadratus femorus
c. Obturator internus
d. Obturator externus

Answer 6

b. Quadratus femoris

Question 7

Where are the lateral rotators of hip and medial rotators of hip located?

Answer 7

Lateral - posterior portion of hip/gluteal region

Medial - anterior portion of hip/gluteal region

Question 8

Which of the following are lateral rotators and which are medial rotators?

Obturator internus
Obturator externus
Tensor fascia latae
Gluteus minimus
Gluteus medius
Quadratus femorus
Gluteus maximus
Piriformis
Triceps coxae
Superior gemellus
Inferior gemellus

Answer 8

Obturator internus - lateral
Obturator externus - lateral
Tensor fascia latae - medial
Gluteus minimus - medial
Gluteus medius - medial
Quadratus femorus - lateral
Gluteus maximus - lateral
Piriformis - lateral
Triceps coxae - lateral
Superior gemellus - lateral
Inferior gemellus - lateral