Rub backwards and forwards in excess of the tendon (across it) Carefully with the thumb or finger pads right until the sensitivity fades, which must get no more than a minute or two, then boost the intensity slightly and repeat. . Chronic inflammation is often a characteristic of Achilles tendinopathy https://www.theorthopaedicandpainpractice.com/why-do-my-outer-elbows-hurt/