Zero Tension Mouse

Written by Sierra Rein
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The Zero Tension Mouse is a type of computer cursor control device that takes into account all the tension and strain that usually accompanies long hours of working on the computer. Office workers, typists, computer graphic designers, web researchers, and "gamers" are all in danger of developing Carpal Tunnel Syndrome (CTS), as well as a number of other wrist disorders. Designed by Dr. P. Michael Leahy, this USB mouse can reduce the chance of experiencing the pains associated with repetitive stress injuries.

Shaped like a squat joystick covered in a comfortable rubber grip, the Zero Tension Mouse sits 4.5 inches (11.4 centimeters) high and 3.4 inches (8.6 centimeters) wide. The user places his or her four fingers on the side of the mouse and then places the thumb on the top. The user's entire arm and upper body muscles can then relax and allow the simple movements of the wrist and thumb to do all the work.

The Zero Tension Mouse comes with left and right buttons built into the front of the joystick area. The pointer and middle finger can easily click these buttons with a minimum of effort. A wheel is located at the top, where the thumb can send commands to scroll through web pages or computer files.

A Note about Computer Compatibility

This ergonomic mouse can be utilized with any apple computer with the operating systems of Mac OS 8.6 to 9.2.2, Mac OSX 10.0 to 10.1.3, and Mac OSX 10.2 to 10.3.x. Unfortunately, it is not designed to function under Windows 95. However, it will be compatible with Windows 98, Windows 2000, Windows ME, and Windows XP.

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