Femur: Explore femur anatomy with

Explore femur anatomy with detailed parts, names, functions & diagram. Learn its role in movement, support & health in this complete guide. The femur, or thigh bone , is the longest and strongest bone in the human body. It plays a central role in supporting body weight, enabling locomotion, and transmitting forces between the pelvis and lower limb. The femur is the only bone in the thigh and the longest bone in the body. It acts as the site of origin and attachment of many muscles and ligaments, and can be divided into three parts; proximal, shaft and distal.