Rub back and forth more than the tendon (across it) Carefully with the thumb or finger pads until eventually the sensitivity fades, which need to choose not more than a moment or two, and then improve the intensity a bit and repeat. Tennis elbow (Lateral Epicondylitis): In spite of its name, https://www.theorthopaedicandpainpractice.com/why-do-my-outer-elbows-hurt/