Now be sure that your hips are at a 90- degree angle. If you need a foot stool, put a book or binder on the floor. If your legs hang, additional pressure is placed on the low back. Using the 90- degree rule is beneficial for any type of seated work. Be sure to check out your chair at home for the proper height as well.
Some people work at the computer all day and then go home to sit more hours at their home computers.
If you are experiencing some wrist discomfort, some people like to use a small wrist support attached by Velcro. These can be purchased at any drug store or medical supply store. Usually these are due to the fatigue of eye muscles. As with other muscles in your body, waste products build up in the muscles if you hold them in one position too long. You need to give your eyes a break for a few minutes out of each hour.