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RollerMouse reduces muscle effort in the forearm by up to 20%
Researchers at Harvard University have found that the RollerMouse device significantly improved the posture of the hand wrist, and shoulder compared to a conventional mouse, while performing tasks at a computer workstation. The study compared the RollerMouse to a conventional mouse, trackball and touchpad; it was determined that the RollerMouse had the greatest effect in reducing muscle effort in the forearm. Subjects also reported the RollerMouse to be easy to use with the least discomfort while performing tasks.