Backrest Height Adjustment on Ergonomic Office Chairs: Ratchet vs Manual – What’s the Difference?
When people shop for an ergonomic office chair, they often focus on seat height, armrests, or lumbar support. One adjustment that gets far less attention — but makes a real difference to comfort — is how the backrest height is adjusted. Most ergonomic office chairs use one of two systems to adjust the height of […]










