(Content for this article is from the Workplace Safety & Prevention Services document posted on SharePoint.)
Computer Workstation
Is your chair in good condition and adjusted to the appropriate height?
For example, are your thighs parallel or knees slightly lower than your hips?

Do you know how to adjust your chair for maximum comfort?
Reference: Computer ergonomics (ontario.ca)
Is the small of your back adequately supported by a backrest?

Are your feet on the floor or fully supported by a footrest?

Do you have sufficient leg room at your desk?
Reference: Ergonomics of sitting (cornell.edu)
Does the placement of your monitor and keyboard allow for a comfortable position?
For example, is your head looking forward, not turned to one side?

Is it easy to read the text on your screen?
Reference: Use a readable font that’s at least 16 pixels. (Health Literacy Online, health.gov)
Is your computer screen free from noticeable glare at all times of the day?
Reference: CCOHS: Lighting Ergonomics - Survey and Solutions
Is the height of your monitor adjusted properly for a comfortable head and neck posture? (For example, top of your screen at eye level - lower for bifocal or trifocal users.)

If needed, do you have a document holder available to avoid awkward postures?
Reference: CCOHS: Work-related Musculoskeletal Disorders (WMSDs) - Risk Factors
Is there space to rest your arms when not keyboarding?
When keying or using the mouse, are your elbows close to the body and your forearms close to parallel to with the floor?

Are your wrists fairly straight when keying?

Are frequently used items (for example, your telephone) positioned within easy reach of your normal working position, and is desk space adequate for the work?
Reference: CCOHS: Office Ergonomics - Space Requirements for Office Work
If you need to connect and disconnect a laptop, are you able to do so without bending or crawling under your desk each time?
Reference: CCOHS: Confined Space - Introduction
Workplace Environment
Are temperature, noise, ventilation, and lighting levels adequate for maintaining your normal job performance?
Reference: CCOHS: Temperature Conditions - Legislation
Is the work area free from all slip, trip, and fall hazards?
For example:
Ice and snow are cleared from walkways
All interior and exterior stairs with four or more steps equipped with a handrail
File cabinets are arranged so that drawers and doors do not open into walkways
Phone lines, electrical cords, and extension wires are secured
Reference: CCOHS: Prevention of Slips, Trips, and Falls
Is material stored in file cabinets or shelves properly to avoid overloading and tipping?
Reference: CCOHS: MMH - Layouts for Storage
Is the work area free from all electrical and fire hazards?
For example, frayed wires and excessive amounts of combustibles.
Reference: CCOHS: Electrical Safety - Basic Information
Is the work area equipped with appropriate emergency systems?
For example:
Functioning smoke detectors and carbon monoxide detectors are installed
A working fire extinguisher and first aid kit are nearby
Reference: CCOHS: Emergency Planning
Healthy Work Practices
Do you take hourly breaks from your workstation to stretch and move about?
Reference: CCOHS: Office Ergonomics - Stretching - At the Workstation
Do you stop at appropriate times to eat during the workday?
Reference: CCOHS: Healthy Eating at Work
Do you ensure that you have daily contact with clients, co-workers, or your manager by phone or in person?
Reference: Working From Home Has Taught Us the Importance of Casual Office Interactions (forbes.com)
Do you regulate the hours you work so that you allow for adequate time off daily, for family and / or personal recreation?
Reference: Hours of Work - Your guide to the Employment Standards Act (ontario.ca.)
Do you engage in a daily stop work ritual, such as turning off your computer and turning off your area light?
Reference: 20-20-20 Rule - Canadian Association of Optometrists
Do you keep your doors and windows closed and secured to prevent break-ins, theft, and other forms of violence?
Reference: CCOHS: Violence and Harassment in the Workplace
Other Resources
Office Ergonomics Handbook, Fifth Edition, May 2008 - Occupational Health Clinics for Ontario Workers (Posted on SharePoint)