Selecting a Chair Selecting a Chair Like selecting a pair of shoes for proper fit and comfort for your feet, chair fit is equally as important when selecting a chair. You should consider the size and shape of your back when choosing a chair. An ergonomic chair can help your back maintain this optimal posture if it provides proper support. A single size and type of chair is not appropriate for all tasks and cannot suit all body shapes and sizes. The seat should adjust to a variety of selected angles to allow for a comfortable posture for different tasks.
Some chairs offer a rocking motion.
The back should adjust up and down to fit the curves of your spine to provide support and comfort. Adjustable lumbar support is often necessary to accommodate flat, average or deep spinal curves. The back of the chair should make full contact with your back when you are in your normal working position. If you recline, a back that extends up to your upper back or even a neck support may be indicated. The back should adjust independently from the seat tilt to provide back support for a variety of work positions such as reclining or leaning forward.