The thigh bone, femur, and the pelvis, acetabulum, join to form the hip joint. The hip joint is a “ball and socket” joint. The “ball” is the head of the femur, or thigh bone, and the “socket” is the cup shaped acetabulum.

The joint surface is covered by a smooth articular surface that allows pain free movement in the joint.

The cartilage cushions the joint and allows the bones to move on each other with smooth movements. This cartilage does not show up on X-ray, therefore you can see a “joint space” between the femoral head and acetabular socket.

Kevin Shrock, MD, and our Ortho Walk-In Clinic 551 N. Federal Highway, Suite 800 Fort Lauderdale, FL 33301


Call: (954) 715-7472

Office Hours: Mon-Fri, 9:00 AM - 4:30 PM

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Credibility Links

  • The Arthroscopy Association of North America (AANA)
  • Broward County Medical Association
  • American Orthopaedic Society for Sports Medicine
  • Florida Orthopedic Society