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Carpal tunnel syndrome is a condition where the median nerve is compressed at the carpal tunnel. The carpal tunnel is an area on the palmar side of your wrist that allows the nerve, several tendons and blood vessels that supply your hand to pass through the wrist. This may cause tingling, numbness and muscle weakness in your hand. There are also many other causes of tingling and numbness in the hand which we are trained to differentiate.
Tennis elbow, also known as lateral epicondylitis, is an inflammation of the tendons of your forearm where they attach to the outside of your elbow which is called the lateral epicondyle. Playing tennis is not the only cause of lateral epicondylitis. This injury can be caused by any repetitive movement of the wrist or forearm.
The rotator cuff is a group of four muscles that help stabilize and move your shoulder allowing it to have the most movement of any joint in the body. The rotator cuff causes pain when these muscles are overworked or injured. Playing sports, falling or repetitive lifting overhead are some common ways to cause a rotator cuff tear.