Office furniture manufacturer Wilkahn's AT 187 task chair has a design that encourages "dynamic sitting" as a way to reduce back pain at work. While many office chairs are designed to be as supportive and ergonomically correct as possible, their comfortable designs ultimately restrict movement—but not the AT 187 task chair, which encourages movement and maintains the user's center of gravity as they regularly change positions.
The chair is powered by patented Trimension technology and boasts a design that was developed based on research conducted in collaboration with the German Sport University Cologne. According to Wilkahn, "Trimension was developed in close association with the health and sports science sectors." With this technology, bending and stretching of the torso is possible, as is moving the hips from side to side.