Oliver Bee RMTRegistered Massage Therapist

Massage therapy · Kitchener–WaterlooHip Replacement

Hip & Thigh

What It Is

Hip replacement surgery involves removing a damaged hip joint and replacing it with an artificial one, known as a prosthesis. In a total hip replacement, the ball at the top of the thigh bone and the socket in the pelvis are both replaced with metal, ceramic or plastic parts. The new ball is usually metal or sometimes ceramic, and the new socket is usually plastic or sometimes ceramic (NHS, 2024a). Some people have a partial hip replacement, where only the ball is replaced, or hip resurfacing, where the ball is capped with a metal cover rather than removed (NHS, 2024a). Modern hip replacements are designed to last at least 15 years (NHS, 2024b).

Replacements are often used for those who have joint damage from arthritis, an injury (for example a fracture) or other conditions (American Academy of Orthopaedic Surgeons, n.d.). After the hip is replaced, rehabilitation comes into play to restore movement, strength and walking.

If the hip has been damaged by a fracture, arthritis or other conditions, common activities such as walking or getting in and out of a chair can become difficult and painful. The hip can become stiff and it might be hard to put socks and shoes on. You might even feel uncomfortable while resting (American Academy of Orthopaedic Surgeons, n.d.).

Hip Replacement Anatomy

The hip is made up of the acetabulum (the socket) and the femoral head (the ball). The acetabulum is part of the pelvis, and the femoral head is part of the femur (your thigh bone). The joint is a ball and socket to allow lots of different ranges of movement, which is great for walking and running. The joint has a deep socket so it's very secure, but over the years the cartilage that protects the joint can wear away, so that the bones rub against each other, causing pain and stiffness (American Academy of Orthopaedic Surgeons, n.d.). The decision to have a hip replacement is based on how much pain and disability you have, not just on how worn the joint looks (American Academy of Orthopaedic Surgeons, n.d.).

Another reason for a hip replacement is a condition called osteonecrosis, also called avascular necrosis, which literally means bone death due to a lack of blood supply. An injury such as a dislocation or fracture, or some diseases, can cut off the blood supply to the femoral head. The surface of the bone may then collapse, and arthritis follows (American Academy of Orthopaedic Surgeons, n.d.).

Possible Problems After a Hip Replacement

Hip replacements are usually very successful, but as with any operation there are possible complications (NHS, 2024b). These include:

  • Blood clots, such as a deep vein thrombosis (DVT) in the leg (NHS, 2024b).
  • Wound infection (NHS, 2024b).
  • A difference in leg length. Your surgeon will try hard to avoid this, and often the difference is so small that most people don't notice it (NHS, 2024b).
  • Damage to nerves, blood vessels or tissue around the hip, which is not common (NHS, 2024b).
  • Dislocation of the new hip, and wear of the joint over time (NHS, 2024b).
  • Stiffness in the hip (American Academy of Orthopaedic Surgeons, n.d.).

Not a diagnosis — for more information, contact me or another trusted healthcare provider.

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