Rub forwards and backwards in excess of the tendon (across it) Carefully with the thumb or finger pads right up until the sensitivity fades, which need to get not more than a moment or two, and afterwards raise the depth marginally and repeat. Tennis elbow (Lateral Epicondylitis): Inspite of its title, https://www.theorthopaedicandpainpractice.com/why-do-my-outer-elbows-hurt/