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Anatomy of the Hip

The hip joint is one of the body's largest weight-bearing joints. It's a ball-and-socket joint that helps the hip remain stable even Normal Hipduring twisting and extreme ranges of motion. A healthy hip allows you to walk, squat, and turn without pain.

The hip joint is formed where the rounded head of the thighbone (femur) joins the pelvic bone. The joint is covered with tissue and powered by large muscles. When all of the parts listed below are healthy, a hip should move easily.

  • Cartilage is a layer of smooth tissue. It covers the ball of the thighbone, and lines the socket of the pelvic bone. Healthy cartilage absorbs stress and allows the ball to glide easily in the socket.
  • Muscles power the hip and leg for movement.
  • Tendons attach the muscles to the bones.

Anatomy of the Knee

A healthy knee bends easily and rotates slightly. The joint absorbs stress and moves smoothly. This allows you to walk, squat, and turn without pain.Normal Knee

The knee is a hinge joint, formed where the thighbone (femur) and the shinbone (tibia) meet. The joint is covered with smooth tissue and powered by large muscles. When all the parts listed below are healthy, a knee should move easily.

  • Cartilage is a layer of smooth tissue. It covers the ends of the thighbone and shinbone. It also lines the back side of the kneecap. Healthy cartilage absorbs stress and allows the knee to bend easily.
  • Muscles power the knee and leg for movement.
  • Tendons attach the muscles to the bones.
  • Ligaments are bands of tissue that connect bones and brace the joint.

For information about joint problems or treatments, please use the links provided. To schedule an appointment with our Total Joint Center doctor, please call (920) 320-5241 or complete the appointment request box.