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A Quick Guide on Recommended Limits to Prevent WMSD* Hazards. *WMSD: work-related musculoskeletal disorders. DISCLAIMER . These recommended limits are to be used only as a reference for safe work practices .

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a quick guide on recommended limits to prevent wmsd hazards

A Quick Guide on Recommended Limits to Prevent WMSD* Hazards

*WMSD: work-related musculoskeletal disorders

disclaimer
DISCLAIMER

These recommended limits are to be used only as a reference for safe work practices.

The recommended limits in these slides are voluntary. Its application is not required to employers, businesses and workers in Washington.

They are intended to support business owners and employees efforts to reduce and prevent musculoskeletal disorders at their workplaces.

what you will learn
What You Will Learn
  • Recommended limits to prevent work- related musculoskeletal disorders orWMSDssuch as back sprain, strain, shoulder sprain, arm and wrist tendonitis, etc.
  • How to apply these limits to any job or operation in your business, as part of your safety and health program or best work practices.

To slide 28 for additional information

navigating this presentation
Navigating this presentation

You will notice that the next slide looks like this This is HOME

You may come HOME from anywhere within this slide show by clicking on thisbutton

By clicking on these buttons, you may jump to the topic of Your interest

topics covered

Lifting

Forceful pinching, gripping

Awkward postures

Repetitive motion

Hand-arm vibration

Intensive keying

Topics covered

HOME

To slide 28 for additional information

slide6

A Quick Guide on Recommended Limits for WMSD Hazards

Throughout these slides you will notice the:

Recommended Limit sign.

Not exceeding these limits in any job or activities at your workplace, will help in: keeping your employees healthy.

May also help in keeping your company expenses and losses at its lowest level.

lifting8
Lifting
  • 75 pounds once a day is a heavy lift
lifting9
Lifting
  • 55 pounds, 10 times a day is a heavy lift
lifting10
Lifting
  • 25 pounds, above the shoulders, below the knees or at arms length, 25 times a day is an awkward lift
lifting11
Lifting
  • 10 pounds, twice per minute, two hours a day is a frequent lift
awkward postures13
Awkward postures
  • Hands above the head or elbows above the shoulders is an awkward posture
awkward postures14
Awkward postures
  • Neck or back bent more than 30 degrees is an awkward posture
awkward postures15
Awkward postures
  • Kneeling is an awkward posture
awkward postures16
Awkward postures
  • Squatting is an awkward posture
forceful pinching
Forceful pinching
  • Pinching an object weighing 2 pounds (like the force needed to pinch half a ream of paper), is a forceful pinch
forceful gripping
Forceful gripping
  • Gripping an

object weighing

10 pounds (like

the force needed

to clamp

automobile

jumper cables

onto a battery),

is a forceful

grip

repetitive motion21
Repetitive motion
  • Repeating the same motion with the neck, shoulders, elbows, wrists or hands, every few seconds is repetitive motion
intensive keying23
Intensive Keying
  • Keying regularly, more than 4 hours total per day is intensive keying
hand arm vibration25
Hand-arm vibration
  • Using high vibrating tools like impact wrenches, chain saws, jack hammers, riveting hammers, more than 30 minutes total per day is high hand-arm vibration
hand arm vibration26
Hand-arm vibration
  • Using moderate vibrating tools like grinders, sanders, jigsaws, more than 2 hours total per day is moderate hand-arm vibration
additional information

A Quick Guide on Recommended Limits for WMSD Hazards

Additional information

On WMSD hazardous exposures visit the WISHA webpage at:

www.lni.wa.gov/Safety/Topics/Ergonomics

You may also write us at:

ergonomics@LNI.WA.GOV

Example Template of an accident prevention program :

www.lni.wa.gov/Safety/Basics/Programs/Accident

Ideas to reduce hazardous exposures can be found at theErgonomics Ideas Bank