First of all you need to understand what repetitive strain injury is. Basically when you use a computer, your wrist and hands are probably getting most of the stress. You need to get information about RSI. There are many sources from which you can get information and act accordingly. It is also important that you should consult a good experienced physician who could tell you about RSI in detail.
Reduce muscle stress
Learn how you can reduce muscle stress. If you have a job that requires long hours of typing, then you should also know that how can you give some relaxation to your hands and wrist muscles. There are number of ways and techniques which are introduced for reducing stress on your hands and wrist muscles. You can find this type of information from many sources. Consult your personal physician as he or she will certainly guide you to do certain exercises and massages which will help you reduce the stress level on wrists and hands. Remember in order for these exercises to be effective you will have to do them regularly.
Stress free computer station
Your workstation should be stress free. You should make proper adjustments to your workstation and make it completely stress and clutter free. You can even ask and can get help from a professional regarding making your workstation stress free.
Rest during lengthy working sessions
Resting during lengthy working sessions is also a good idea of reducing RSI. You should understand that all computer related work can be tough. Long sessions of constant work can enhance the danger of getting RSI.