date:Oct 13, 2020
en you are looking at a screen, if your line of sight is in line with it then you are fine. But if you are looking down, which you do when working on a laptop, what tends to happen is the head starts to hang forward and that puts a lot of strain on the upper back. This can often cause a burning sensation in the trapezius muscles and affects other muscles in the neck, the spine and the nerves.