Revolutionize the way you sit with the BackStrong Sit-In-Motion Technology Ergonomic Chair. Aside from being a comfortable chair, BackStrong actually corrects how you sit using Sit-In-Motion Technology. The patented technology offers a unique seat design with ergonomic features. By automatically aligning itself with you, you receive better back support and stress relief. Likewise, it cradles your lower back, relieving vital pressure points and instantly improving your posture. The freely rotating bucket design immediately adjusts to any position you sit in. In addition, the saddle hugs your pelvis and fits your physiology. This feature offers natural support by putting the natural S curve in your spine. Similarly, the back provides a supported sitting position, so you always maintain the correct posture. Furthermore, the saddle hangs from the arm of the chair and moves with you. Finally, BackStrong even assists you with a supportive push when you get up.