<prompt> Renal angle lies between12th rib lateral border of sacrospinalis11th rib lateral border of sacrospinalis12th rib lateral border of quadratus lumborum11th rib lateral border of quadratus lumborum  <response>: Renal-angle is area located on either side of the human back between the lateral borders of the erector spinae muscles and inferior borders of the twelfth rib, so called because the kidney can be felt at this location. Ref -researchgate.net 