Repeated hand and wrist movements. They can cause the membranes around the tendons to swell (tenosynovitis). Broken wrist bones, dislocated bones, new bone growth from healing bones, or bone spurs.
Washington Capitals forward Tom Wilson quipped that he's waiting for Jakob Chychrun to give him "one-of-two tokens of apology" for the bone-breaking wrist shot that caught Wilson in the face on Saturd ...