Medically reviewed by Oluseun Olufade, MD Key Takeaways Tennis elbow is an injury that causes pain and swelling in the ...

Tennis elbow is the most commonly diagnosed reason for elbow pain and one of the more frequently diagnosed conditions in the upper extremity. Also termed lateral epicondylitis, tennis elbow is ...

It causes painful inflammation of the tendon that connects your triceps muscle, located on the back of your upper arm, to your elbow joint. In addition to pain, your elbow may feel tight when you try ...