Review Questions, Gluteal Region

Gluteal Region: Review Questions

1. Which of the following arteries does NOT participate in the cruciate anastomosis?

First perforating branch of profunda femoris

Medial circumflex femoral

Lateral circumflex femoral

Descending branch of inferior gluteal artery

Descending genicular artery

2. The muscles of the gluteal region:

Include medial and lateral rotators of the thigh

Are all supplied by branches of the superior and inferior gluteal nerves

Include the piriformis which takes origin from the posterior surface of the sacrum

All insert on the greater trochanter of the femur

Receive motor innervation from dorsal rami of sacral spinal nerves

3. The sciatic nerve normally exits the pelvis:

At the superior border of the piriformis muscle

At the inferior border of the piriformis muscle

Between the obturator internus and the superior gemellus muscles

Between the inferior gemellus and quadratus femoris muscles

At the lower border of the quadratus femoris muscle

4. Which of the following DOES NOT pass through the greater sciatic foramen?

Sciatic nerve

Superior gluteal artery

Obturator internus tendon

Internal pudendal artery

Piriformis muscle

5. The obturator internus muscle:

Is innervated by the pudendal nerve

Lies on the medial surface of the pelvic diaphragm

Inserts on the medial side of the lesser trochanter of the femur

Is an antagonist of the quadratus femoris muscle

Originates from the obturator membrane and the margin of the obturator foramen