Armchairs for heads usually differ from the chairs to the rank and file employees, but since the latter into the office is always greater in the first place consider the requirements for models seating for staff. Good height adjustment chair should have a number of mechanisms to adjust its height and position of the back, depending on the growth of the employee and the type of work. Almost all current models are equipped with "gas lift", allowing easily vary the height of the seat in one motion, using a special pedal. In this case the person does not even have to get up. Mobility Moving office chair in the work area is not a problem if, instead of the usual leg metal five-way support is provided with plastic wheels. This design allows not only to move in different directions, but free to rotate around a central axis of the seat. As a result, easy access to by the nearby cabinets and tables, where documents are stored or located is required by the technique.
The back support back by means of the seat back. Depending on the type of activity and duration of the "sedentary" work, you can choose chairs with a low back, upon which only the waist, or high, reaching to the shoulder blades, or even to the neck. But the second option is to assume the presence of the speaker in the roller the lumbar region, providing more comfort and relaxation of the spine in long-term operation, for example, a computer desk.