I use a kneeling chair(a Varier Variable Balans[1]) and I change position a lot, actually I think I move more with this chair than with traditional chairs. And

I use a kneeling chair(a Varier Variable Balans[1]) and I change position a lot, actually I think I move more with this chair than with traditional chairs. And I can stretch my legs(one at the time of course) while maintaining the correct posture. [1] http://www.varierfurniture.com/Collections/Human-instruments/Variable-balans-R http://www.varierfurniture.com/Collections/Human-instruments...