Hand and arm muscles must work continually to keep the device steady. Your finger and forearm muscles may become sore if you use a pointing device at a setting that is so sensitive that it is hard to control.Computer work seldom requires this type of strenuous exertion, but there are tasks that require concentrated force that can affect smaller, localized muscle groups. Forceįorce is usually thought of as a strenuous physical exertion, such as when lifting a heavy weight or pushing a heavy load. Adjust your workstation to maintain neutral wrist postures. To help solve these problems carefully select wrist rests, chairs, and desk surfaces and take frequent rest and stretch breaks to minimize the amount of contact stress that you may experience.
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