Cupping therapy is a popular treatment that comes from ancient Chinese and Middle Eastern medicine. Recently, it has become more well-known because of its use in sports and pop culture. For example, famous Olympians like Michael Phelps have been seen with cupping marks. In the movie The Karate Kid, Jackie Chan performed "Fire cupping." This therapy is usually done by physiotherapists, chiropractors, acupuncturists, and massage therapists...