You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is True for linea aspera is and explain in detail?
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}