🎾Tennis Elbow? 🎾 . Tennis Elbow (lateral epicondylitis) is a painful condition that occurs when tendons of your elbows are overloaded by repetitive motions of the wrist and arm. Not only do athletes develop tennis elbow but people with jobs that involve repetitive motions of the wrist and arm do develop this condition . The pain of tennis elbow occurs primarily where the tendons of your forearm muscles attach to a bony bump on the outside of your elbow. Pain can also spread into your forearm a