When sitting in front of your computer, it is important the the angle at the knees be 90 degrees. If you have your feet under your chair, you have an angle of less than 90 degrees. This can form knots in your muscles.
Over the years your knee joints can be pulled out of alignment. These knee injuries can cause permanent pain.
Likewise the elbows should be at 90 degrees. Watch the YouTube video below to see why.
Causes of computer-related repetitive strain injuries
Watch the short YouTube video below to identify the causes of some of these computer-related repetitive strain injuries.