Often this is caused by a spinal disc protrusion. “This is a disc that bulges or protrudes, squashing one of the nerves,” he explains. The sciatic nerve runs from the spinal cord in the lower ...

Buttock protrusion associated with (a) gluteal development indicating physical fitness, (b) adipose tissue deposition, and (c) vertebral wedging. Notes: All women exhibit identical buttock protrusion.