https://www.zive.cz/clanky/zidle-na-peru-vyzkouseli-jsme-balancni-zidle-pri-celodenni-praci-u-pocitace/sc-3-a-198096/default.aspx (available in Czech only)
Chair on a Spring: We've Tested Balancing Chairs in All-Day PC Work
18 April 2019 - The editors of the popular computer e-magazine Živě.cz tested Adaptic and competing spring-mounted chairs. While the review debates the value of the healthy sitting concept, their test results do show that tilting-seat chairs are beneficial. The review includes videos as well.
