Why do Lab Chairs have rings?

Why do lab chairs have rings? Lab chairs often have rings or footrests attached to the base of the chair. These rings serve as a convenient and ergonomic feature for the user's feet. They allow the person sitting on the chair to rest their feet on the ring, promoting proper posture and reducing strain on the legs and back. The rings on lab chairs are typically adjustable in height, allowing users to customize the position based on their comfort and working requirements. By resting the feet on the ring, the individual can maintain a more stable and balanced position while seated, especially during long periods of work or experimentation in a laboratory setting. Additionally, the rings on lab chairs can also serve as a footrest for individuals of varying heights. They provide a convenient spot for shorter individuals to place their feet comfortably, ensuring proper support while seated. The inclusion of rings or footrests on lab chairs is aimed at improving ergonomics and providing a comfortable seating experience, particularly for extended periods of time spent in a laboratory environment.