The use of computers has completely changed the face of the work over the last twenty years. Our production has increased immensely and now we can perform tasks that were hard to imagine only a few decades ago. However, computer-dependent jobs have generated an excessively sedentary lifestyle. Modern workers spend the most of their time at the computer, both at work and at home. To stay healthy and efficient, every office worker needs to ensure that their work equipment is as ergonomically optimal as possible.