br br Dr. Guevara br 678-223-3900 br br If you're suffering from neck pain, muscle tension, and tension headaches, in this video I show you an easy way to relieve your pain in 20 minutes with the use of a sock and 2 tennis balls. br br Stress in the workplace and desk jobs create continuous tension in the neck and upper back for millions of people every day. This simple technique can save your day.