People who sit all day long often find that an ergonomic chaircan help them sit comfortably all day long with no physical stress.While these chairs provide great support, the chairs need to beadjusted for each person. Few people are the same size andproportion as others, so using the instructions that come with thechair, it’s important to follow the recommendations of themanufacturer to make sure that the seat height, arms, and back areperfectly fitted for the user.The most important adjustment for an ergonomic chair is to makesure that the feet are solidly on the ground and the knees are at a90 degree angle with the seat of the chair. . Most ergonomic chairshave a lever that allows for up and down movement. Having feetsolidly on the ground will help the entire body relax while sittingin t