The chair cannot be too comfortable because it will allow body to slouch easily, creating problems. On other hand, office chair cannot be too hard either. While selecting an office chair, you have to focus on these aspects and not just looks or comfort of chair.

An entire new science is devoted to study of human capabilities and health in relation to work demands. This is called ergonomics.

However, even if you have best-designed ergonomics friendly office chair in world, it is not a wise idea to keep sitting in it for whole day! Static activity for a long time is not good for back.

You must move out of chair for at least 5 minutes every hour. Move around, walk a little and maybe do some stretching exercises. Your physical fitness will ensure proper protection against back injury.

4. Recliner chairs - Recliner office chairs help user to work in a reclining position. It is suitable for people suffering from spinal injuries. A small table can be attached to chair to enable user to work.

5. Balans Chair - The Balans office chair keeps user's legs at an angle of 135 degrees to spine. In this position, while sitting upright, weight is distributed between front and back of spine and along its length evenly.

You can select an office chair for you depending on your specific requirements. Whatever type of office chair you end up using, experts suggest following tips to keep your body and back in good condition:

* Take a break every hour. Do not keep sitting through out day. Stand up and walk around periodically.

* Change your sitting position at different times. Keeping a single position is not naturally good for body.

* Sit straight without back support for at least some time during day.

* Even while sitting, try to move around as much as possible - pick up phone, reach for file or simply get up and stretch.