When your body is properly supported, constantly shifting or adjusting will not be much of a focus. An ergonomic chair keeps you productive because it provides comfort.
Have you ever found that you fidget, you lean forward, or you adjust your position just to stay awake or ease a cramp? That’s usually a sign. Your chair isn’t giving you good support. Mental focus is harder when your seat isn’t a comfortable one.
An ergonomic chair is what reduces the need for you to constantly reposition yourself. You can sit comfortably and stay focused on the task that is at hand, not on your own discomfort with proper lumbar support that is given by an aligned backrest and with a seat that fits your own body.
An ergonomic chair is undoubtedly helpful if you sit during long hours. Indeed, it is necessary for your health. Your body can stay supported, also your mind can stay focused, and then your energy can stay balanced much better through work stretches.