<prompt> Renal angle is formed by 12th rib and-Vertebral column and erector spinaeSacrospinalisRectus abdominisExternal oblique  <response>: Ans. is a i.e., Vertebral column and erector spinae The costovertebral anglerenal angle is the acute angle formed on either side of the human back between the twelfth rib and the vertebral column or erector spinae The kidney lies directly below this area and tenderness may be palpated here. 