Published at Saturday, 18 November 2017 by Joanne Trujillo in Furniture Office, with total 41 pictures.
And of course the chair itself should be stable. You don't want a chair that is wobbly. To ensure this you should look for a chair with a five pronged base.
Then there is the backrest tilt which allows the person using the chair to either recline (lean back) or incline (lean forward) and adopt variable postures in between these two positions. Most people find a slight reclining position to be the most comfortable.
Then we have the seat pan characteristics. You should look for seats that have the following characteristics. The seat pan should have adequate depth and width. The material should be comfortable but offer sufficient support and the seat pan should tilt to alleviate pressure on the back of the thighs.