Renal angle lies between -
The angle between the lower border of 12th rib and the outer border of erector spinae (sacrospinalis) is known as a renal angle.
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