People who have jobs that include repetitive wrist motion—like painting, carpentry, and typing—may get tennis elbow. An elbow injury is severe and involves speedy clinical attention when there is an clear deformity from the bone, or when there is extreme pain and confined movement. This great site is for educational https://www.theorthopaedicandpainpractice.com/why-is-my-elbow-swollen/?_gl=1*xbbxlb*_up*MQ..&gclid=Cj0KCQjwkt6aBhDKARIsAAyeLJ2krYJSOuy5mZksrNqH-VDjQwW1ScD49yD8BUWysDG6u6bJPCSbXVUaAuCPEALw_wcB