Workplace environment computer_comfort
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Transcript of Workplace environment computer_comfort
![Page 1: Workplace environment computer_comfort](https://reader036.fdocuments.in/reader036/viewer/2022062312/555938c2d8b42a543d8b4d29/html5/thumbnails/1.jpg)
Computer Comfort
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Work-Related MSDs
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Musculoskeletal disorders, or MSDs, are the most common and expensive workplace injuries.
Work-Related MSDs
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MSDs are injuries of the muscles, nerves, tendons, ligaments, joints, cartilage and spinal disks.
Work-Related MSDs
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• Carpal Tunnel Syndrome• Tendinitis• Sciatica• Herniated Disk• Lower Back Pain
Work-Related MSDs
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MSDs are preventable.
Work-Related MSDs
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Understanding Neutral Postures
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Ergonomics is the science of fitting the job to the worker.
Neutral Postures
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Since everyone is different, tools and work areas need to be adjusted to fit each individual.
Neutral Postures
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Good posture incorporates proper alignment of the bones, balanced use of the muscles and ease of movement.
Neutral Postures
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Neutral postures give us more strength and endurance.
Neutral Postures
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To minimize risk of developing MSDs, maintain neutral posture and avoid extreme postures.
Neutral Postures
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Fit your tools and workplace to your body size.
Neutral Postures
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Cumulative Trauma Disorders
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Carpal tunnel syndrome is the most widely known form of cumulative trauma disorder.
Carpal Tunnel Syndrome
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The carpal tunnel is the opening in the hand between the transverse carpal ligament and the wrist bones.
Carpal Tunnel Syndrome
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Potential causes are repetitive motion, such as typing, or poor positioning of wrist while working.
Carpal Tunnel Syndrome
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Symptoms include pain or numbness in the hand, sometimes progressing to the shoulder or even neck.
Carpal Tunnel Syndrome
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Can result in permanent weakness in the hand and muscular atrophy.
Carpal Tunnel Syndrome
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Result from sitting for long periods.
Spine and Back Injuries
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Result from poor posture and incorrect seating at the computer.
Spine and Back Injuries
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Use your chair correctly, move your body and ergonomically position all equipment.
Spine and Back Injuries
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Customizing Your Workstation
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• Support feet
• Keep hips higher than knees
• Bend elbows
Workstation
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• Don’t reach out
• Keep print at eye level
• Keep eyes straight ahead
• Don’t tip or lift chin
Workstation
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Place your keyboard with upper arms relaxed, and bend elbows at 90 degrees.
Workstation
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Adjust the height of desk or keyboard tray and use a footrest.
Workstation
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Top of monitor should be eye level.
Workstation
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Eye to monitor should be arm’s length – 16 to 32 inches.
Workstation
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Copyholder should be at arm’s length.
Workstation
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Lights shouldn’t be so bright that they compete with monitor.
Workstation
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To eliminate glare, place the monitor 90 degrees from the window and adjust the blinds.
Workstation
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Shine task lights on documents, not the screen.
Workstation
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Use low-wattage bulb.
Workstation
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Adjusting Your Chair
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When your chair is properly adjusted, your muscles and ligaments properly support the alignment of your spine and body.
Chair
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Vary chair angles and sitting postures throughout the day.
Chair
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Support feet on the floor and find the lever that controls the chair height.
Chair
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Adjust the chair so your hips are higher than your knees.
Chair
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Match height of backrest so curve matches your back.
Chair
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Armrests should barely touch arms.
Chair
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Experiment with different angles on backrest and seat pan.
Chair
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Chair
Every couple of hours, move the chair a few degrees forward and then a few back.
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Getting up from your chair frequently to stand and stretch can also be helpful.
Chair
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Using Keyboard and Mouse
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Proper keyboard and mouse techniques will soothe your muscles, tendons and joints.
Keyboard and Mouse
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Keep your wrists straight and flatten the back legs on the keyboard.
Keyboard
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Your wrists should hover or float above the wristrest and armrests when you’re keying.
Keyboard
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Use the rest only when you pause in your work.
Keyboard
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Practice a very light keystroke with your curved, relaxed fingers moving fluidly over the keys.
Keyboard
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Take care not to overreach and overstretch your fingers.
Keyboard
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Position the mouse at the same height and distance as the keyboard.
Mouse
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Move the mouse with shoulder motions – not wrist deviations.
Mouse
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Don’t squeeze the mouse; hold it very lightly and relax any unnecessary tension in the fingers.
Mouse
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Clean the mouse ball every so often.
Mouse
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Tips and Techniques
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Take frequent mini-breaks.
Tips and Techniques
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Learn to listen to your body.
Tips and Techniques
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Focus on a distant object every 20 to 30 minutes.
Tips and Techniques
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Tips and Techniques
Stand and stretch frequently.
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Tips and Techniques
Stand with both feet firmly and evenly planted on the ground.
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Vary tasks as much as possible throughout the day.
Tips and Techniques
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Use a phone book to raise monitor to correct height.
Tips and Techniques
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Use eraser to raise front edge of keyboard.
Tips and Techniques
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Support feet on a 3-inch binder.
Tips and Techniques
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Use cardboard to make a monitor hood to prevent glare on screen.
Tips and Techniques
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Computer Comfort