Published at Tuesday, March 06th, 2018 - 02:06:21 AM. Chair. By Iris Boutin.
Kitchen and dining room chairs are the most common chairs made and most households have at least four of them. Generally, they have four legs, a seat and a back. The seat is most often 16 inches above the ground - the median height for comfort. The back is set at nearly right angles to the seat to encourage an upright posture - most comfortable for eating.
Task chairs are designed to encourage the worker to sit in a particular posture that is best for the task to be accomplished. Most modern task chairs are ergonomically designed to allow long periods of being seated without placing undue strain on the lower back, upper back or legs. Often, task chairs have a lumbar support to make sitting more comfortable.
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