A workstation for a user comprising a basis, an shaft pivoted on the basis, a seat pivoted on the shaft, a back rest connected to the shaft, at least one shaft piston connecting the basis to the shaft and at least one seat piston connecting the shaft to the seat. The shaft and the seat are arranged to allow a user to sit at the workstation. The at least one shaft piston and at least one seat piston are arranged to allow changing the position of the shaft and of the seat. The orientation of the shaft and the orientation of the seat are adjustable by the user.