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TRANSCRIPT
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Laboratory Ergonomics Training
Presented by Stacey Speagle, R.Kin, CCPE
University of Guelph, Occupational Health and Wellness
June 2017 Email: [email protected]
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Outline
•What is Ergonomics?
•Muscular-skeletal Disorders (MSDs) and Symptoms
of MSDs
•Ergonomic Risk Factors and Solutions
•Force
•Awkward Postures
•Repetitive/Duration
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Outline
•Review Workstation Setup
•Group Participation (identify hazards and propose
solutions)
•Ergonomic Laboratory Tips
•Questions
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What is Ergonomics???
• “an applied science concerned with designing and arranging things people use so that the people and things interact most efficiently and safely —called also biotechnology, human engineering, human factors” (Merriam-Webster Dictionary)
•Fitting the job to the worker
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Musculoskeletal Disorders (MSD’s)…
•Sprains and Strains
•Repetitive Strain Injuries (RSIs) •Cumulative Trauma Disorders •Overuse Injuries •Repetitive Motion Disorders
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Symptoms of MSD’s
•Muscle weakness and fatigue
•Pain, dull ache
•Swelling
•Loss of sensation (numbness)
•Tingling and burning sensations
•‘Pins and needles’ discomfort
•Clumsiness
•Joint restriction/loss of movement
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Risk Factors (FAR)
Force
Awkward Posture
Repetition
Secondary Risk Factors
Temperature
Contact Stress
Vibration
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Force (FAR)
•Amount of effort required to perform a task
• Lifting, pushing, pulling, and gripping a tool
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Force required increases when:
•Poor grasp on object
•Reaching for the object
•Unbalanced or awkward load
•Poor posture when exerting force
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Solutions - Force
• Use carts (large wheels) that are well maintained
• Use two hands
• Push rather than pull
• Break-up load
• Keep the item close
• Get help
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Awkward Posture (FAR)
•Maintain neutral working posture - least amount of stress
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Awkward Posture (FAR)
•Want to try to avoid or limit these postures
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Solutions - Awkward posture
• Adjust workstation
• Bring frequently used items close to you to limit
reaching
• Move your feet to avoid twisting (pivot)
• Nose in-line with toes to keep back straight
• Utilize tools to eliminate awkward postures
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Awkward posture examples at work?
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Repetition/Duration (FAR)
•Repetition - Task or series of tasks performed
over and over again for a period of time
•Duration - Length of time a posture is held for
•Fatigue and soft tissue strain accumulate
•Tissues can recover if enough time between
exertions
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Solutions – Repetitive/Duration
• Switch hands
• Variety of tasks
• Take micro-breaks
• Shift weight often when standing
• Use proper body mechanics and come back to
neutral postures
• Stretch!
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Seated Workstation
•Monitor directly in front neutral neck
Adjust Chair:
•1-2 fingers between seat pan and back of knees
•Hip and knee angle: 90 degree or greater
•Elbows angle: 90 degrees
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Standing Workstation
•Stand upright
•Monitor directly in front
•Neutral neck posture
•Elbows angle: 90 degrees
*Vary between sitting and standing*
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Identify the hazard, propose a solution…
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Solution…
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Identify the hazard, propose a solution…
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Solution…
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Identify the hazard, propose a solution…
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Solution…
Image Source: https://www.microscopyu.com/microscopy-basics/basic-
microscope-ergonomics
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Tips for Laboratory Work - Microscope
•Adjust the height and angle of microscope
•Bring microscope to the edge of the table
•Work at an area with adequate space of legs
•Enlarge small hand tools (i.e. foam around them)
•Take breaks between utilizing microscope
•Focus on distant objects every 15 minutes
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Tips for Laboratory Work - Pipetting
•Hold the pipette with a relaxed grip
•Use thin, flexible gloves that fit properly
•Use de-capping devices to open the micro-tubes
•Keep wrists straight
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Tips for Ergonomics Everyday
•Take micro-breaks from sitting every 30-45 minutes
•Task rotation/variation
•Keep frequently used tools and supplies within
close reach
•Review your workstation to see what can be
modified to eliminate ergonomic concerns
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Thank you!
Stacey Speagle, R.Kin, CCPE
Rehabilitation Specialist
University of Guelph - Occupational Heath and Wellness
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????? QUESTIONS?????