A number of different factors could lead to you needing a joint replacement. Heredity is one such factor, as some people are simply born more prone to these problems. In other cases, abnormalities can form while the joints are forming, leading to issues as you age. Finally, injuries are a factor in joint replacement. In some cases, minor, repetitive injuries are the cause, while in other situations a severe trauma damages the joint.
About 24,000 Americans have their hips replaced every year. In the majority of cases, hip replacement therapy is required after the surgery. Usually, hip replacement is performed when severe arthritis makes changes to the hip joint, making it almost impossible to walk without pain.
Knee replacement surgery is also common in those with severe arthritis. In these cases, damage to the articular cartilage can make it almost impossible to complete everyday tasks like climbing stairs or even walking.
It is rare that a shoulder injury will lead to someone needing a shoulder replacement. In most cases, rheumatoid arthritis or osteoarthritis is the main culprit. Shoulder replacement will not only relieve pain, but it can also improve motion and strength in the joint.