Post on 20-Aug-2018
transcript
Office Ergonomics CalculatorPresented by Chelsie Baizana, B.Sc, M.Sc
Trevor Schell, M.Sc, CCPE
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Defining Ergonomics
“The Science of studying people at work, and then designing the working environment to ensure that
they can be safe, healthy, effective and comfortable”.
GOAL IS TO fit the job to the worker NOT TO fit the worker to the job
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Your Chair – The Base
5 casters (more stable) Casters within circumference of seat pan Use hard casters for soft floors (carpet) Use soft casters for hard floors (tile)
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Your Chair – The Seat Pan
Rounded front edge (waterfall) Reduce chance of contact stress at the back of the knees and thighs
Adjustable seat slope Forward or backward tilt
Adjustable seat pan depth
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Your Chair – The Fist Test
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Your Chair – The Fist Test
Buttock-to-Popliteal Length: Buttock-to-popliteal length is measured as the
horizontal distance from the back of the buttock to the back of the knee
This value defines the maximum seat depth for a chair to ensure that pressure on the underside of the thigh is not excessive
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Your Chair – The Fist Test
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Your Chair – The Fist Test
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Your Chair – Seat Height
Measure the vertical distance from the floor to the underside of the knee
Front of knees level or slightly below the top of the chair
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Your Chair – Seat Height
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Your Chair – Armrests
Allows shoulders to relax Supports arm weight Relieves neck tension
Adjustable Width adjustability option Height Slide forward and backward
Can be changed/removed
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Your Chair - Summary
Always choose comfort and function over aesthetics Purchase adjustable equipment
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Keyboard Trays
Want elbow joint at 90° with shoulders relaxed
Some may feel more comfortable with elbow joint greater than 90°
Keep arms close to body
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Average Desk Height = 75cm
Men Anthropometric Data – Seated Elbow Height
Women Anthropometric Data – Seated Elbow Height
No Keyboard Tray?
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Keyboard Trays to Avoid
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Keyboard Trays to Avoid
Tray with slide-out platform for the mouse: tray is unsteady, and causes user to lean on the right hip
Rail keyboard trays: are not adjustable in height or angle
Small keyboard trays: no space for the mouse, which causes user to place the mouse on the desk
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Ideal Keyboard Trays
Sturdy surface Angle and height
adjustability 65 cm in width
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Wrist Rest
Improves wrist angle while typing and reduces pressure point on wrists
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Screen Height - AVOID
When the monitor is too low, the neck is flexed
When the monitor to too high, the neck is extended
When the monitor is not directly in front of the user, the neck is twisted
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Screen Height - Ideal
The monitor should be: Directly in front of user Situated at seated eye level Arm’s length away from user
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Office Ergonomics Calculator!
www.ohcow.on.ca/ergotools
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Office Ergonomics Calculator
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Office Ergonomics Calculator
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Use your ID!
Send your ID to an Ergonomist
Send your ID to your JHSC
Send your ID to Purchasing
Send your ID to Supervisor
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Tool for workers• Easy to use
• 7% error rate
Joint Health and Safety Committees• Reduces assessment costs for average workers
Professionals • In the field - can be used on smartphone, tablet, or desktop
• Add ideal measurements to ergonomic reports
Purchasing• Cost reduction associated with purchasing the wrong equipment
Benefits
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
Limitations
Promotes static postures• Postural variety is key!
Some anatomical structures are difficult to measure• Human error in measurements
It’s a tool, not an assessment!• Does not address medical conditions
• Does not address workspace layout
• More tailored solutions may be required
No recommendations provided• Assumes you have proper equipment
Occupational Health Clinics for Ontario Workers Inc. Prevention Through Intervention
For More Information Contact your Local
OHCOW Clinic
1-877-817-0336
www.ohcow.on.ca
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