The mouse is a common piece of computer equipment which helps people use computers more quickly and easily. Since the introduction of Windows technology in the 1990s, which made mouse-intensive software popular, the mouse has become standard office equipment. Using a mouse as the only input device (as with a computer game) is not hazardous as long as the computer workstation is set up properly and frequent breaks are observed. However, because most people using a mouse in a workplace setting must use the computer keyboard at the same time, using a mouse regularly works the same small muscles over and over again, and can lead to discomfort, pain, and even Workplace Musculoskeletal Disorders (WMSDs). What makes using a computer mouse hazardous? There are two reasons why using a mouse regularly can be hazardous. First, using a mouse requires a person to make small, exact movements with their hand, fingers, and thumb. By positioning, travelli...