Ergonomics is the study of how people interact with their activities and their environment. The purpose of ergonomics is to improve health and safety, prevent injuries, and improve productivity. Office ergonomics can help a person be more comfortable at work, reduce stress on the body, and reduce injuries caused by prolonged awkward positions and repetitive tasks at an office workstation. Office ergonomics focuses on how the workstation is set up, the placement of the desk, computer monitor, chair and associated tools, such as a computer keyboard and mouse. It also examines a person's job surroundings, including the work surface, lighting, or noise level.
You can assess your workstation utilizing the ergonomic self assessment checklist (.doc)