Industry Terminology

Active Chair
A type of chair that allows the user to adjust the chair to accommodate the body positions.

American National Standards Institute. ANSI standards are used to judge a chair’s durability and are a good indicator of chair quality.

Business Industrial Furniture and Manufacturers Association. BIFMA standards are used to judge a chair’s durability and are a good indicator of chair quality.

Caster / Castor
A small wheel on a swivel attached under a chair or piece of furniture to make it easier to move.

The study of the relationship between people and the tools of their occupation.  It focuses on the interaction between the worker, the tools of their job, and the surrounding environment.

Chair glides are stationary supports at the bottom of each leg and can be used in place of wheel castors.

ISO 9241
Design standard for chair’s ergonomics for office use.

The part of a human’s back and sides that is located between the lowest ribs and the pelvis.

Passive Chair
A type of chair that automatically adjusts itself to fit different body positions.

Waterfall seat
Chair seat that has a 5% backward slope which promotes the use of the backrest and prevents you from sliding forward.

The last base bone of the spine, located just below lumbar.

Swivel Tilt
A mechanism that allows a user to both swivel and tilt backwards on a chair without changing the standard position of the chair.