The balance chair is an important measure that can lead to a reduction in long-term health problems for people with protracted problems in the cervical, thoracic, lumbar and sacral spine and also helps eliminate chronic symptoms associated with these problems, such as various muscle pain and discomfort, which can be caused by these long-term difficulties. The balance chair is intended primarily for users who are forced to sit for a long time, whether at work or during some other activity. The Czech SME has developed and successfully introduced to the market the balance chair with a seat that