Lumbosacral Angle Overview
This bottom joint, L5 - S1, is also known as thelumbosacral joint. The sacrum is a triangular bone that is wedged in between the back of the two hip bones. This helps provide both support and balance to your body in many different positions. 1Photodiva / Getty Images The Lumbosacral Angle Defined Your whole spine sits on top of the lowest sacrum bone. The degree of sacral base tilt varies between individuals and can range between steep and flat....