True for linea aspera is

LINEA ASPERA:- Posterior border of femur is in the form of broad roughened ridge.In the upper one-third of shaft, two lips of linea aspera diverge to enclose an additional posterior surface.In the lower one-third of the shaft, two lips diverge as supracondylar lines to enclose popliteal surface. Medial lip-adductor longus Lateral lip-sho head of biceps femoris. {Reference: BDC 6E pg no.17}