About epicondylitis / tennis elbow
The lateral epicondyle at the outside of your elbow has the tendon attachment for the extensor muscles of your forearm. Similarly, the medial epicondyle at the inner aspect of your elbow has the tendon attachment for the flexor muscles of your forearm.
Unfortunately, these areas of the tendon can become degenerative or torn. The name epicondylitis is incorrect as the “-itis” component of the name means “inflammation” and the process is due to tearing or degeneration of the tendon and not usually inflammatory.
At times the underlying ligaments can also be stretched or torn, which again will cause symptoms. When the symptoms are at the lateral side (outside) of the elbow this is called Tennis Elbow or “Lateral Epicondylitis” and when the symptoms are at the inner side of the elbow this is called Golfer’s Elbow or “Medical Epicondylitis”.
The symptoms consist of pain at the epicondyle which worsens with wrist and hand use. The attached muscles are active for almost all upper limb functions, and therefore these diseases can be very painful and limit function greatly. It is possible to get both Tennis and Golfer’s elbow at the same time. Left alone the symptoms from “epicondylitis” will often resolve or become dramatically worse over time. Unfortunately, the timeframe to recovery is often some months, recovery is not universal and may only be partial.