True about linea aspera

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. Continues above as gluteal tuberosity. Medial lip-adductor longus Lateral lip-sho head of biceps femoris. {Reference: BDC 6E pg no.17}