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An office chair, or desk chair, is a type of chair that is designed for use at a desk in an office. It is usually a swivel chair , with a set of wheels for mobility and adjustable height. Modern office chairs typically use a single, distinctive load bearing leg (often called a gas lift ), which is positioned underneath the chair seat.
In 2002, an updated ergonomic support system called PostureFit was introduced to improve lower back support. [7] In 2005, the arms switched from a dial to a lever to loosen for height adjustment. [8] Variants produced include a wheelless version with a flat base named the Aeron Side Chair, and a higher version with a footrest named the Aeron ...
DIN 4551 Office furniture; revolving office chair: This German standard covers revolving office chairs with adjustable backrests, armrests, and height, ensuring their quality and safety. EN 581 Outdoor furniture – Seating and tables for camping, domestic and contract use: This European standard specifies the requirements for outdoor seating ...
Morris chairs feature a seat with a reclining back and moderately high armrests, which give the chair an old-style appearance. The characteristic feature of a Morris chair is a hinged back, set between two un-upholstered arms, with the reclining angle adjusted through a row of pegs, holes or notches in each arm.
The kneeling chair is meant to reduce lower back strain [5] by dividing the burden of one's weight between the shins and the buttocks. People with coccyx or tailbone pain resulting from significant numbers of hours in a sitting position (e.g., office desk jobs) are common candidates for such chairs.
The term ergonomics (from the Greek ἔργον, meaning "work", and νόμος, meaning "natural law") first entered the modern lexicon when Polish scientist Wojciech Jastrzębowski used the word in his 1857 article Rys ergonomji czyli nauki o pracy, opartej na prawdach poczerpniętych z Nauki Przyrody (The Outline of Ergonomics; i.e. Science of Work, Based on the Truths Taken from the ...