Are Trigger Points Causing Your Tennis Elbow? 👉 When trigger points develop in the brachialis muscle, they can cause pain to radiate to the lateral epicondyle. 👉 Lateral epicondyle pain is commonly referred to as tennis elbow because it often affects people who play tennis or other racquet sports. However, it can also occur in people who perform repetitive motions of the wrist and arm, such as typing, painting, or using hand tools. 👉 Symptoms of tennis elbow may include pain and tenderness on