A wrist rest helps reduce fatigue when using a computer mouse by providing ergonomic support and promoting a more natural hand and wrist position. When using a mouse for extended periods, the wrist can be subjected to strain due to repetitive movements and awkward angles. A wrist rest elevates the wrist to align it with the forearm, reducing the angle and pressure on the carpal tunnel, which can help prevent conditions like carpal tunnel syndrome.
By maintaining a neutral wrist position, a wrist rest minimizes the need for excessive wrist flexion or extension, which can lead to muscle fatigue and discomfort. It distributes the pressure more evenly across the forearm and wrist, reducing localized stress points. This support can also decrease the likelihood of developing repetitive strain injuries (RSIs) by limiting the strain on tendons and muscles.
Additionally, a wrist rest can encourage proper posture by preventing the user from resting their wrist on the desk surface, which can lead to slouching or hunching over the desk. This improved posture can alleviate tension in the shoulders and neck, further reducing overall fatigue.
Moreover, wrist rests often have a cushioned surface that provides comfort, reducing the impact of hard surfaces on the wrist. This cushioning can absorb some of the vibrations and shocks from mouse movements, contributing to a more comfortable and less tiring experience.
In summary, a wrist rest supports the wrist in a neutral position, distributes pressure, encourages better posture, and provides cushioning, all of which contribute to reducing fatigue and discomfort during prolonged computer mouse use.