The femur is the only bone in the upper leg. The two femurs converge medially toward the knees, where they articulate with the See more

As the femur is the only bone in the thigh, it serves as an attachment point for all the muscles that exert their force over the hip and knee joints. Some biarticular muscles – which cross two joints, like the gastrocnemius and plantaris muscles – also originate from … See more

• 3D image
• Muscles of thigh. Lateral view.
• Muscles of thigh. Cross section.
• Distribution forces of the femur
• Femur … See more

• Media related to Femur at Wikimedia Commons
• The dictionary definition of Femur at Wiktionary
• The dictionary definition of thighbone at Wiktionary See more

Fractures
A femoral fracture that involves the femoral head, femoral neck or the shaft of the femur immediately … See more

In primitive tetrapods, the main points of muscle attachment along the femur are the internal trochanter and third trochanter, and a ridge along the ventral surface of the femoral shaft referred to as the adductor crest. The neck of the femur is generally minimal or absent … See more