Renal angle lies between
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
12th rib & lateral border of sacrospinalis
11th rib & lateral border of sacrospinalis
12th rib & lateral border of quadratus lumborum
11th rib & lateral border of quadratus lumborum
Abdomen and pelvis