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Feasible Solutions :
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An Ergonomic Mouse is to be selected to the fit the hand of the user who will be using it mostly. Ergonomic Mouse to fit right and left hands as well as small and large hands are available in the market. It is ideal to select a Ergonomic Mouse that is designed for either hand because you can switch from one hand to the other while operating the device hence giving rest to one hand at a time. Before selection of the Ergonomic Mouse, it is better to test it and ensure proper fit and feel.
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The size of the Ergonomic Mouse matters and hence while selecting you need to ensure that you have to apply only a minimum force to generate movement. Normally puck devices should be small in size for using with single hand with a width of 1.5 to 2.5 inches, length of 2.5 to 4.5 inches and a height of 1 to 1.5 inches.
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It is better to reduce your dependence on the Ergonomic Mouse by using short cut keys and other options available on the keyboard like page down thereby reducing the strain on hands.
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Try out other pointing devices like joystick, touch pad, or trackball that fits your hand better and doesn’t require bending the wrists when you grip the device. Remember to try out new products prior to selection and long-term use.
Ergonomic Mouse wrist / palm rest makes the positioning of the hand over the keyboard comfortable.
Probable Risks
If the sensitivity of the input device is not set properly, you tend to use more force and awkward hand postures to control it. For example, a very sensitive mouse may require excessive and extended finger force for good control. If the sensitivity of the mouse is not enough, you need to deviate the wrist in a wider angle to move the pointer to your desired place. When you exert your wrist forcefully for a long time or bend it repeatedly to place the pointer, your hand and arm muscles get fatigued increasing the risk of Ergonomic injuries.
Feasible Solutions
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The speed of the Ergonomics Mouse pointer may be defined as the pace in which it moves on the screen when you move the Ergonomic Mouse with the hand. The Ergonomic Mouse, that you select should be sensitive and fast enough so that you can comfortably adjust and control it as required. Also, the pointer should cover the entire screen of the monitor while your wrist is relaxed in a straight, neutral posture.
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In order to control the Ergonomic Mouse /pointing device with a light touch without straining your wrist, it is better to set its sensitivity. Devices in which the sensitivity can be adjusted through the computer control panel are now available in the market.
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Do not grip the Mouse Ergonomics device tightly in order to get good control of it.
If you are using a trackball, ensure that its exposed surface are is not less that 100 degrees. It has to comfortably rotate in all directions for the user to try any combination of movement as required.
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