The location on the pain in tennis elbow is wherever some tendons with the forearm muscles connect for the bone around the elbow. The pain is considered brought on by swelling or thickening with the tendon at first and finally degeneration (wearing) with the tendon. The pain is even worse https://www.theorthopaedicandpainpractice.com/how-to-alleviate-tennis-elbow-pain-tips-from-a-medical-expert/