How to Sit in an Office Chair to Avoid Neck Pain?

Adjust your chair's height so that your feet are flat on the floor or a footrest, and your thighs are parallel to the ground. Armrests should be adjusted such that your arms are gently resting on them and your shoulders are relaxed.

How to Attach Headrest to an Office Chair?

Detachable headrests come with clamps that can be mounted and secured on the back of the chair. You can also adjust the headrest height with a lever, and the headrest attachment can also rotate.