Britannica Sources used in this answer

Which bones are found in the human thigh and lower leg?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

The human thigh and lower leg contain several key bones that facilitate movement and weight-bearing.

Thigh

The thigh region, located between the hip and the knee, contains the femur, which is the longest and strongest bone in the human body. The head of the femur forms a ball-and-socket joint with the hip, while its lower end forms the upper portion of the knee joint.12

Lower Leg

The lower leg consists of two primary bones:

  • Tibia: Also known as the shinbone, this is the larger of the two bones. It forms the lower half of the knee joint and the inner part of the ankle.34
  • Fibula: This is the second, more slender bone of the lower leg, which runs alongside the tibia and is attached to it throughout its length by an interosseous membrane.3

Additionally, the patella, or kneecap, is a critical bone associated with the knee joint, resting upon the femur and helping to stabilize the joint during movement.4