From the many of chairs or sofas, the convenience factor becomes very absolute. Soft and expensive, not necessarily comfortable. A chair is a raised surface used to sit in by one person. The design may be made of porous materials with holes for decoration, a low back can provide ventilation. A chair is may refer as sofa, couch, bench, settee or loveseat for one person.

The comfortable of a chair is not always determined by the level of tenderness and the expensive price. To assess the level of seat comfort, to note a few things related to ergonomic body of users. Therefore, when choosing, consider these things:

1. Back Prop

High backrest area is varied, depends on the type and purpose of the use of chairs. If the chair has a PD, when sitting, which should be leaning back on the backrest should be comfortable and relaxed. Feel the comfort also on the buttocks.

2. The deep of the seat

Depth distance is measured from the front to the rear seats. The seat is too wide will occur the irritation and circulatory disorders. Conversely, if the foundation of sit place too narrow, will result in fatigue and pain in his back.

3. Armrest

It serves to support the weight of the arm/hand and help when going to sit of the seat and add comfort. The shape and contours materials may vary.

4. Seat height

The armrest should not be too high or low. If this happens, it can cause the uncomfortable and circulatory disorders.

In order to not wrong in choosing, before buying a chair, you should try to possess it beforehand. If the match in the body, so virtually, furniture that meets the appropriate rules of comfort with your body.