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Office Ergonomics

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Extending the arm to reach mouse that is some distance from the keyboard ... Exercises. Early reporting of discomfort. www.morphehs.com. NECK AND SHOULDER RISKS ... – PowerPoint PPT presentation

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Title: Office Ergonomics


1
Office Ergonomics
2
TRAINING OBJECTIVES
  • Provide information that will assist you to
  • Prevent Ergonomic Injuries Illnesses
  • Recognizing Controlling Risk Factors
  • Modifying Work Area

3
WHAT IS ERGONOMICS?
  • ERGON Work NOMOS Law
  • The study of human - machine interface
  • Fitting the job to the worker
  • A mismatch between the physical requirements of
    the job and the physical capacity of the body,
    may cause or aggravate CTD symptoms.

4
WHAT ARE CTDs?
  • Cumulative Occurring gradually over a period of
    weeks, months or years.
  • Trauma Bodily injury to nerves, tissues,
    tendons, joints of the body.
  • Disorder Physical ailments of abnormal
    conditions.

5
CTD EXAMPLES
  • Carpal Tunnel Syndrome
  • Pressure on Median Nerve from tendons in the
    wrist
  • Cubital Tunnel Syndrome
  • Pressure on Ulner nerve at the elbow
  • Tendenitis
  • Inflammation of tendons
  • Epicondylitis
  • Tennis Elbow
  • Golfers Elbow

6
CTDs vs ALL ILLNESSES
OF TOTAL ILLNESSES
YEAR
7
INCREASE OF CTDs?
  • Increase in automation
  • Computers
  • Machinery
  • Increase in knowledge
  • Personal health

8
ERGONOMICS AND YOU
  • Ergonomics Injuries /Illnesses can
  • Disrupt Home Life
  • Disrupt Work
  • Reduce Self-Confidence

9
ERGONOMICS RISK FACTORS
  • Posture Position
  • Repetition / Frequency
  • Sustained Static Exertions
  • Forceful Exertions
  • Localized Contact Stresses
  • Individual Variability

10
SIGNS AND SYMPTOMS
  • Pain
  • Discomfort
  • Tingling
  • Numbness
  • Limited Movement

11
DEVELOPMENT OF CTDs
Localized fatigue
Chronic pain
Recognized pathologies
12
OFF-THE -JOB RISK FACTORS
  • Gardening
  • Sewing
  • Bowling
  • Biking
  • Carpenters
  • Musicians
  • Mechanics
  • Golfing
  • Hair Dressers

13
ADJUST THE TOOLS-NOT YOUR BODY
  • Chair
  • Keyboard
  • Monitor
  • Lighting
  • Mouse
  • Document stand

14
ADJUSTING YOUR CHAIR
  • Learn what your chair can do
  • Adjust the height
  • Position your arms
  • Support your back
  • Rest your feet

15
KEYBOARD TRAYS
  • Adjustable
  • The tray should be wide enough to hold both the
    keyboard and the mouse
  • Wrist rest
  • The tray should not wobble when you use the
    keyboard

16
USING YOUR KEYBOARD
  • Strike softly
  • Hands should float to work
  • Use wrist rest when not actively keying
  • Keep wrists straight-in a neutral position

17
YOUR MOUSE
  • Hold it lightly and click without using force
  • Keep the mouse close to the keyboard
  • Switch between the mouse and keyboard (short cut
    keys)
  • Avoid holding on the mouse when not mousing

18
YOUR MOUSE
  • Use a mouse pad thats big enough for the mouse
    to move around freely
  • Keep the mouse ball clean
  • Use other input devices

19
THE MONITOR
  • Directly in front of you
  • Top of the screen below eye level
  • Font size, color, brightness, contrast

20
DOCUMENT STAND
  • To reduce eyestrain place the stand at the same
    distance as the screen
  • Between the screen and the keyboard
  • Next to the screen

21
LIGHTING
  • Task lighting
  • the light should not reflect off the page
  • position to prevent glare on VDT screen
  • Room lighting
  • Overhead
  • tilt or swivel your screen for a clear view
  • reduce overhead lighting
  • diffusion
  • glare screen or hood
  • Windows
  • Close blinds as sun shifts during the day

22
BACK RISKS IN VDT WORK
  • The lower back flattens in the sitting position
  • Sitting increases the disc pressure
  • Static sitting posture
  • Chairs that are too large or too small for some
    workers provide poor body support
  • Chairs too high or too low creates pressure point

23
ARM AND WRIST RISKS IN VDT WORK
  • Extending the arm to reach mouse that is some
    distance from the keyboard
  • Raising the shoulders to compensate for a high
    keyboard
  • Move the wrist side ways when mousing

24
ARM AND WRIST RISKS IN VDT WORK
  • Bending wrists upward or downward during keying
  • Bending the wrist sideways away from the thumb
    when reaching for the side keys
  • Pounding the keys
  • Repetition

25
GOOD POSTURE PRACTICES
  • Position your arms
  • Neutral wrists and elbows
  • Support your back
  • Periodic posture changes
  • Rest your feet

26
EYESTRAIN RISKS IN VDT WORK
  • Factors affecting the ability to see well are
  • Glare
  • Luminance (brightness) ratio between the screen
    and its immediate environment
  • Lighting levels
  • Font size and contrast

27
EYESTRAIN RISKS IN VDT WORK
  • Viewing distance
  • Monitor or document height
  • Readability of screen
  • Vision correction

28
CONTROL OF RISK FACTORS
  • Workstation modification
  • Alternate tasks
  • Work / Rest schedules
  • Change work method
  • Exercises
  • Early reporting of discomfort

29
NECK AND SHOULDER RISKS IN VDT WORK
  • Static Posture
  • Asymmetrical Head Position
  • Repetition of up-down Movement
  • Hunched shoulder
  • Stress

30
CONTROL MEASURES FOR NECK RISKS
  • Place the monitor in-line with the body
  • Top of screen below eye level
  • Use document holder
  • Avoid cradling the Phone

31
CONTROL MEASURES FOR EYESTRAINS
  • Large size fonts and good contrast
  • Dark text on light background
  • Line of vision parallel to light source
  • Line of vision parallel to light source
  • Window treatment/antiglare screen
  • 20/20 rule
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