The operative chairs are those designed and made for operators who must remain seated 8 hours a day. Therefore, they must necessarily be ergonomic, on castors, and have a series of adjustment mechanisms that allow the operator to remain comfortable throughout the day and to avoid the onset, in the long run, of muscular-skeletal problems.
On the basis of UNI EN standards, the operating chairs are divided into three different types (according to UNI EN 1335): A, B, C. Type B is the most widely used because it offers a good compromise between price and technical characteristics of the seat (including height, backrest and seat adjustments). When choosing an operative seat, it is necessary to bear…