It is important that the chair fits every user no matter their shape or size. In order for a chair to be ergonomic it needs the minimum basic adjustability features:
• Basic features are seat height adjustment, height & width adjustable arm rests and lumbar support.
• Additional features are back, height and seat depth adjustment, adjustable lumbar height, adjustable lumbar curve, personalised pelvic modules, coccyx relief cut out, memory foam, seat depth, tilt & back angle control, extra forward title as well as tension control, adjustable headrest for height & tilt.
• Speciality chairs can also be provided for users of up to 30 stone.
The major characteristics of a seating unit are as follows:
• Seat height adjustment allowing feet to be flat on the floor and arms at desk level.
• Lumbar support of an ergonomically designed seat is vitally important on relieving back aches and strains over a working day. Since the lumbar spine curves inwards it is extremely important to have computer task chairs that possess solid lumbar support for this critical area of the body.
• These supports should also be adjustable for the difference that each individual back has.
• The right office seating unit should have an adjustable back rest both forward and backward and to be made of a material that can breathe. A well designed seating unit should have armrests that are adjustable and a swivel.
When looking for ergonomically designed seating you will get various features depending on how much you are willing or wanting to pay:
• A basic ergonomic office chair will have various features but without armrests and headrests but will still have height adjustability back tension and swivel.
• A more advanced ergonomic chair increases the innovation of design and more adjustment options.
• The more advanced specifications can include seat cushions made of memory foam separate seat and back angle adjustments.
Tilting forward of the chair with tension adjustment and the sculpted back has lumbar support with the back height adjustable to position the lumbar support in the right place. The lumbar support itself is inflatable to any comfort level and the swivel seat has a pneumatic height adjustment. At the very top-end design there is a saddle seat and also a kneeling seat with no back but designed for the user to kneel at the office desk all day with an angled support.
Ergonomic seating Triangulation of support technology
This is provided by a combination of the pelvic module cushion on the ergonomic chair and a two way adjustable lumbar. The cushion cradles the pelvis while the two ways lumbar provides adjustment for height & curve at the apex of the triangle. With the lower back positioned correctly the upper spine (thoracic region) will sit obediently above it to provide the optimal anatomical position.