Kids need to learn healthy habits for working at a computer. These habits will protect them from injury through their working life. Parents play a crucial role in helping kids acquire healthy habits for computer use. Parents can follow the
Manage computer time - time can fly by when you're working or playing at a computer. Parents may want to monitor how long the computer is used and try to limit continuous use to blocks of no more than 30 minutes and encourage children to do something different for a few minutes. Taking frequent, short breaks allow the muscles to recuperate and this prevents fatigue-related injuries. It is a good idea to do some simple stretching exercises to reduce fatigue during these breaks.
Vary the activities to use different muscle groups - encourage children to use computers in different ways so that effort is shared by different muscle groups. You may want to teach keyboard shortcuts that can be used instead of constantly using a mouse, or explain how to use voice-activated software so that they can alternate typing and speaking while at the computer. Teach children to change their body positions periodically- every 30 minutes your child should briefly stand up, walk around and rest the muscles used in typing and mouse work. Encourage children to look at objects at different distances, for example, looking out of a window for a few minutes to allow the eye muscles to rest.
Posture during computer use is especially important - help your children to sit and work in a relaxed, neutral posture.
Source: Cornell University Ergonomics Program http://ergo.human.cornell.edu/default.htm
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