Ian has a few pointers about not abusing ourselves at our computer related work:

“As we use computers for longer hours every day, we may notice increasing aches and pains in some parts of our bodies. These musculoskeletal problems can happen in anyone who uses a computer for long hours. The problems can range from minor muscle aches that last less than a few hours to persistent tendon problems that can last for years. The more severe problems can lead people to leave a job they like or stop doing sports activities they enjoy, like tennis or bicycle riding. So we should do what we can to prevent the minor aches of work from progressing to disabling conditions. ” (click the above link to see the rest of the article)