Review on Mount-It! Adjustable Arm Rest for Desk: Ergonomic Full Motion Elbow Support with Clamp-On Base - Steel Construction (MI-7145) by Michelle Stewart

This should be a must if you spend a lot of time at the computer. In addition to supporting the elbow, it allows you to move the elbow in a horizontal plane, which helps relax all the muscles involved, including the shoulder. If you consider the VIVA brand, the design and build of both are identical. The only difference is. They have the brand logo on them. I tested this by ordering both. So choose cheaper. A note though. In the summer, expect the part of your forearm that rests on the brace to sweat. At least that is my expierience. Otherwise, the device adds convenience and security to your computing activities. Avoid developing the symptoms of "tennis elbow" - the cause of a very uncomfortable, debilitating and long-lasting experience.