It is not just appropriate!

For all those who have to sit more than two hours on a daily basis this chair is even recommendable, because it prevents pain and injuries which can occur as a result of lengthy sitting on conventional chairs with a fixed seat.

This chair is especially recommendable for growing youths, who have from year to year to sit ever longer for studying or in front of the computer.

Because of this inevitable fact their back muscles are lacking in motion activity and combined with their quick growth in this stage, those muscles aren't anymore the much needed support for the spine.