Enjoy the advantages of optimal ergonomics at your workplace: individually adjustable components for anatomically correct sitting no more heavy feet or legs thanks to synchronisation mechanism (only with intervertebral-disc support seat) that promotes dynamic sitting always at the right working height thanks to progressive seat and height adjustment mechanism adjustable backrest compression ergonomically formed seat and back weight limit up to 120 kg Optional extras: relieving and supporting lumbar supports arms are well supported thanks to diverse arm support adjustment options relief of cervical vertebrae thanks to ergonomic headrest various castor wheels facilitate mobility on different floor surfaces seat heights available for smaller and larger persons Intervertebral-disc support seat equipment adjustable seat depth of 5 cm (sliding seat release), optional adjustable armrest width and depth, optional Arthrodesis seat equipment both halves of the two-part seat at the front can easily be progressively adjusted independently from each other (pneumatic) this almost completely eliminates bending of the leg huge relief for people suffering from hip and knee problems progressive seat inclination adjustment allows ergonomic posture Backrest design