Posted by: ugleepen | March 8, 2012

Carpal Tunnel Syndrome and the Computer Mouse

Carpel Tunnel Syndrome (CTS) is generally caused by repetitive stress to the hands.

Did you know that the common computer mouse is a big culprit in those repetitive stresses and strains? Much talk is given to how to ergonomically set up your computer work station, from proper placement of the monitor and keyboard to the best ergonomic desk chair to choose. But whoever talks about the mouse?

The problem with the design of the usual computer mouse is that the shape forces the wrist and fingers to flex at the same time, causing the flexor tendons to bow at the carpal canal. This puts pressure on the median nerve, irritating the nerve itself causing carpal tunnel symptoms. Imagine this being done all day long when your job requires constant computer work, or the long periods required of school work, or even playing at the computer.

The repetitive movements with the computer mouse are small, or even minute, the mouse is very lightweight, and you use it almost automatically, so you’re not thinking about what damage that mouse could be doing.

New, more ergonomic, computer mouse designs are coming forward. Try to find a computer mouse that is round shaped, much like a ball (or at least half a ball – it does need a flat side for proper placement on the desk). The rounded shape allows the wrist to stay extended. This avoids pressure on the tendons,  and the flexor retinaculum onto the median nerve in the carpal canal.  With a properly designed round computer mouse the wrist is never in a flexed position and the tendons don’t bowstring at the wrist.

In addition, a tip to help prevent the repetitive stress that can cause CTS is using an ergonomic pen. The UGLee Pen is another scientific design that assures minimal stress on the tendons of the fingers and wrist. The overall shape, as well as the detailed contours, is perfectly engineered to follow the anatomy of the hand. This allows for a relaxed position of the hand when this comfortable pen is being used.



  1. […] See Carpal Tunnel Syndrome and the Computer Mouse […]

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