Friday, March 30, 2007

Ergonomic ABCs

Simple ergonomics rules of the road ...

"26 quick and easy tips from A-Z focusing on ergonomic guidelines for repetitive injury prevention.

A – Awkward Positioning
Awkward positioning, repetitive movements, forceful exertions, exposure to vibration, and exposure to temperature extremes are the leading risk factors for developing repetitive strain injuries.

B – Bifocals
Bifocal use increases the risk of neck strain and headaches as bifocal wearers often crane their necks forward and tilt their heads back to read the screen. If you need to wear corrective lenses, consider having a pair that is prescribed specifically for computer use with the monitor positioned about an arm’s length away.

C – Chair
Office chairs should have a five-star base for stability. The seat height should be adjustable to position feet flat on the floor. If the chair needs to be raised to adjust for desk or work-surface height, a foot rest should be used to support the legs. The chair should provide support for the lower back (the lumbar spine). The seat pan should be deep enough and wide enough to support the body. Adjustments for pan tilt can provide for changes in positioning from a slight recline to neutral to allow for changes throughout the day. A 2 inch clearance between the back of the knees and the edge of the chair allows for good circulation to the legs and reduces pressure points. Arm rests should be adjustable for height so that the shoulders are relaxed. Arm rests should also be short enough to clear the desk so the keyboard can be easily accessible without reaching forward.

D – Desk
The desk should be of appropriate height to support work tasks. Most desks are too high for typing tasks. A sliding keyboard tray positioned underneath the desk may be necessary to lower the keyboard to a good typing height. When typing, the shoulders should be relaxed, the elbows resting at your sides, and the forearms parallel to the floor or slightly slanted down."    (Continued via Bella Online)    [Ergonomics Resources]

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