Key Features of Ergonomic office seat:

1. Adjustable Seat Height: The seat height should be adjustable to allow the user to sit with their feet flat on the floor and their thighs parallel to the floor. This helps to prevent strain on the knees and lower back.

2. Contoured Backrest: The backrest should provide support for the entire back, from the lower back to the shoulders. It should also be adjustable to fit the user’s individual curvature of the spine.

3. Lumbar Support: Lumbar support is a specific type of back support that focuses on the lower back. It is important for providing support to the natural curve of the spine and preventing lower back pain.

4. Adjustable Armrests: Armrests should be adjustable in height and width to provide support for the user’s forearms and elbows. This can help to reduce strain on the neck and shoulders.

5. Tilting and Swivel Mechanisms: Tilting and swivel mechanisms allow the user to move and change positions easily, which can help to reduce fatigue and prevent muscle stiffness.