Femur (Os femoris)

Layer: Bones

Educational content only — not medical advice.

Anatomy

The longest and strongest bone in the human body, running from the hip joint to the knee. Its distal condyles (medial and lateral) form the upper portion of the knee joint and carry most of the body's weight during standing and walking.

Clinical notes

Distal femur (supracondylar) fractures are common after motor-vehicle trauma or falls from height; condylar fractures may involve the articular surface. Knee osteoarthritis often begins with cartilage wear of the femoral condyles.

Related structures

Educational references

FAQ

What is the role of the Femur?

The longest and strongest bone in the human body, running from the hip joint to the knee. Its distal condyles (medial and lateral) form the upper portion of the knee joint and carry most of the body's weight during standing and walking.

Why is the Femur clinically important?

Distal femur (supracondylar) fractures are common after motor-vehicle trauma or falls from height; condylar fractures may involve the articular surface. Knee osteoarthritis often begins with cartilage wear of the femoral condyles.

Source & license

Derived from Z-Anatomy (Gauthier Kervyn et al.), CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/); upstream geometry from BodyParts3D, © The Database Center for Life Science. license details