Bony Anatomy of the Abdomen and Pelvis Quiz

The sacrum and coccyx form the bony structure of the abdomen and pelvis.

The sacrum is formed from the fused vertebrae S1-S5, and its dorsal side creates the posterior wall of the pelvis.

The ventral roots of the spinal nerves exit the spinal column through the anterior sacral foramina.

The ilium is a large, flaring bone that forms the Y-shaped junction in the hip bone.

The iliac crest is the superior, curved border of the ilium, providing a prominent landmark on the hip.

The vastus lateralis is a powerful thigh extensor and is not part of the anterior thigh compartment.

The femoral artery is the primary blood supply to the anterior compartment of the thigh.

The Quadriceps femoris is a group of four muscles that extend the thigh.

The saphenous opening is a gap in the fascia of the thigh, located inferior to the inguinal ligament.

The femoral nerve innervates the anterior thigh muscles, enabling flexion of the thigh.