<prompt> Supracristal plane is above ?Highest point of iliac crestAnterior superior iliac spinePosterior superior iliac spineIscheal tuberosity  <response>: Ans.a. Highest point of iliac crestSupracristal plane is an anatomical transverse plane lying at the upper most pa of the pelvis, the iliac crest.This is usually at the level of the L4 veebrae.It passes through the umbilical region and the left and right lumbar regions. 