Healthy U Wellness Challenge 2012 Ergonomics
The study of how to improve the fit between the physical demands of the workplace and the employees who perform the work.
Chair Height Feet flat on floor or footrest Knees equal to or slightly lower than hips Elbows are at your side and wrists flat while typing or using mouse Backrest Curve of chair hits curve of lower back degree angle
Chair (cont.) Other Sit with hips all the way in back of chair Should have 2-3 fingers width of space between edge of seat and back of knee
Keyboard Flat! Do not raise legs in back Place directly in front of monitor Center yourself over keys used most often, not necessarily the center of the board Palm rests Support palms not wrists! Can help w/pressure points
Keyboard (cont.) INCORRECT POSITION CORRECT POSITION
Monitor and Mouse Monitor Directly in front of you inches from eyes (arm’s length) Top of monitor 2-3 inches above seated eye level Use of bifocals requires lower monitors Mouse Same height as keyboard Within close reach (<16 inches away) Hand, wrist and forearm straight
What’s wrong with this picture???
Be aware of…. Awkward postures Repeated or prolonged reaching or twisting Holding of fixed positions Repetitive motions Pressure points Sides of fingers, palms, wrists, forearms, and elbows are more susceptible because nerves and blood vessels are closer to skin and bones
Common Conditions with Prolonged Sitting Rounded shoulders Forward head position Tight hip flexors Forearm or wrist tension Low back pain tight hamstrings weak abdominals tight hip flexors
Resources Workstation.html Workstation.html f f uides/S-898_WorkstationComfort.pdf uides/S-898_WorkstationComfort.pdf uides/S-915_ErgonomicsWorksheet.pdf