The average person in the United States spends more than seven hours a day sitting, whether at a desk in the office, behind the wheel of a car, or on the couch watching television. Too much sitting can cause or exacerbate back and neck pain, obesity, and other health problems.

One way to reduce the amount of time you spend sitting is to use a computer chair that promotes good posture. A computer chair for good posture has a back that supports the natural curve of your spine, adjustable armrests, and a seat that is the correct height for your …