Office chair

Office chair, also known as a desk chair or computer chair, is a type of chair that is designed for use at a desk in an office. It is usually a swivel chair, with a set of wheels for mobility and adjustable height. Modern office chairs typically use a single, distinctive load bearing leg (often called a gas lift), which is positioned underneath the chair seat. Near the floor this leg spreads out into several smaller feet, which are often wheeled and called casters.

History

The office chair was strategically developed alongside the rise of the office work and clerical professions in the late 19th and early 20th centuries. With the increase in desk jobs, there came a need for a chair that would provide comfort and support to the worker throughout the day. The first modern office chair was designed by Charles Darwin, who added wheels to his chair to get to his specimens more quickly.

Design and Ergonomics

Office chairs are designed to support the user's posture and to provide comfort during office work. Features such as adjustable seats, backrests, armrests, and lumbar supports are common among modern office chairs. Ergonomics plays a crucial role in the design of office chairs, aiming to minimize user strain and injury. The ergonomics of an office chair affects a person's productivity and health, making it a significant area of focus for manufacturers.

Types of Office Chairs

There are several types of office chairs, including:

• Executive Chairs: Typically larger and more luxurious, designed for senior employees.
• Task Chairs: More functional and less expensive, designed for general office work.
• Mesh Chairs: Feature a mesh back for better breathability.
• Ergonomic Chairs: Designed with various adjustments to fit the user's body perfectly and support good posture.
• Conference Chairs: Designed for use in meeting rooms, with a focus on comfort and mobility.

Adjustment Mechanisms

Modern office chairs offer various adjustment mechanisms to accommodate different body sizes and work situations, including:

• Seat Height Adjustment: Allows the user to adjust the seat height to maintain feet flat on the floor and thighs parallel to the floor.
• Backrest Angle Adjustment: Enables the user to adjust the angle of the backrest for maximum comfort and support.
• Lumbar Support Adjustment: Adjusts the support provided to the lower back to prevent strain.
• Armrest Adjustment: Allows the user to adjust the height and, in some cases, the width of the armrests to reduce shoulder strain.

Health Considerations

Prolonged sitting in an office chair without proper support and adjustment can lead to a variety of health issues, including back pain, neck pain, and carpal tunnel syndrome. It is essential for office chairs to be adjustable and for users to take regular breaks and adjust their seating position throughout the day.

See Also

• Ergonomics
• Desk
• Computer
• Workplace