Mouse wrist rests comparison and their relation with carpal tunnel syndrome (CTS) factors
Some studies have determined that wrist rests allow the most neutral wrist posture. Currently there is a huge variety of mouse wrist rests (MWR's) on the market. However, there does not seem to be any valid studies that address a comparison between the different types of wrist rests. The objective of this study was to compare four different mouse wrist rests, chosen as a representation of the ones on the market, and try to determine which mouse wrist rests characteristics are better to avoid CTS risk factors and more comfortable based on flexion/extension and ulnar/radial deviation angles measurements, anthropometric measurements, and perceived subject's strain and discomfort. A group of twenty-two Industrial Engineering Undergraduate Students (12 males and 10 females) participated in a laboratory study to compare the mouse wrist rests. The participants performed a 5 minute computerized task with each mouse wrist rest. Throughout the tests, wrist angles were measured with a twin axis electrogoniometer. The wrist rest that presented lower flexion/extension mean angle was the Easy Glide Gel Filled Wrist Rest and Mouse Pad™ but was also the wrist rest with the highest mean ulnar/radial deviation angles. The one that showed the highest flexion/extension average angle is the SoftSpot Vantage Economy Mouse Pad and Wrist Rest™. The Gel Crystals Flex Rest Wrist Rest™ had the lower ulnar/radial deviation angles. The Easy Glide Gel Filled Wrist Rest and Mouse Pad™ was the one with the higher scores related to strain severity; also this wrist rest was scored by the participants as the least comfortable. The most comfortable wrist rests were the Gel Crystals Flex Rest Wrist Rest™ and the SoftSpot Vantage Economy Mouse Pad and Wrist Rest™ both with the same scores. Based on these results it is impossible to pinpoint exactly one wrist rest as the best because some characteristics are better to avoid radial/ulnar deviation angles and others to avoid flexion/extension angles.
Industrial engineering|Rehabilitation|Therapy|Anatomy & physiology|Animals|Occupational safety
Arana, Nancy I, "Mouse wrist rests comparison and their relation with carpal tunnel syndrome (CTS) factors" (2005). ETD Collection for University of Texas, El Paso. AAI1430223.