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A swivel, swivelling, spinny, or revolving chair is a chair with a single central leg that allows the seat to rotate 360 degrees to the left or right. A concept of a rotating chair with swivel castors was illustrated by the Nuremberg noble Martin Löffelholz von Kolberg in his 1505 technological illuminated manuscript , the so-called Codex ...
At its highest point, it's only 16.5 inches from the floor to the bottom of the seat, and typically for adjustable ergonomic office chairs this range should be from 17 to 21 inches in height.
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.
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. A proper kneeling chair creates the open body angle by lowering the angle of the lower body, keeping the spine in alignment and the sitter properly positioned to task. [6]
601 Chair by Dieter Rams. 10 Downing Street Guard Chairs, two antique chairs used by guards in the early 19th century; 14 chair (No. 14 chair) is the archetypal bentwood side chair originally made by the Gebrüder Thonet chair company of Germany in the 19th century, and widely copied and popular today [1]
Modern walkers are height-adjustable. The front two legs of the walker may or may not have wheels attached depending on the strength and abilities of the person using it. It is also common to see caster wheels or glides on the back legs of a walker with wheels on the front. [18]