The Ergohuman has been specifically designed for those who are in an office chair for long hours and require 'Ergonomic seating' to keep them comfortable for extended periods of time. The aesthetics form and function allow this ergonomic chair to feature a synchro tilt mechanism with infinite lock sliding seat pneumatic height adjustment automatic lumbar support system height and angle adjustable arms and headrest all in one very distinctive ergonomic chair. This chair uses the ingeniously simple single lever control to operate the three most frequently used chair functions - seat height seat depth and back tilt can all be operated from a single point of contact for simplicity and convenience.