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Office Ergonomics. Presented by the Minnesota Department of Administration Safety and Industrial Hygiene Unit. At the conclusion of today’s course you will:. Be able to identify at least 3 risk factors that contribute to work related injuries.

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Office ergonomics l.jpg

Office Ergonomics

Presented by the Minnesota Department of Administration

Safety and Industrial Hygiene Unit


At the conclusion of today s course you will l.jpg
At the conclusion of today’s course you will:

  • Be able to identify at least 3 risk factors that contribute to work related injuries.

  • Be able to perform a self evaluation of your own work environment.

  • Be able to describe at least 1 change or modification that you intend to make to your workstation, job or work habits.


Ergonomics ergo work nomos natural law l.jpg

ERGONOMICSERGO,WORK: NOMOS, NATURAL LAW

Ergonomics is the study of the relationship between people, their activities, their equipment, and their environment.


The goal of ergonomics l.jpg

THE GOAL OF ERGONOMICS:

Enhancement of human performance while improving health, comfort, safety, and job satisfaction


Musculoskeletal disorders msd s l.jpg
Musculoskeletal Disorders(MSD’s)

  • Affected Areas

  • back

  • upper extremities

  • lower extremities

  • eyes

  • Symptoms

  • soreness

  • swelling

  • skin discoloration

  • numbness

  • tingling

  • burning

  • radiating pain

  • decreased strength

  • decreased movement

  • Types of Disorders

  • muscles

  • nerves

  • tendons

  • ligaments

  • joints

  • cartilage

  • spinal discs


Work related musculoskeletal disorders wmsd s l.jpg
Work Related Musculoskeletal Disorders(WMSD’s)

  • Musculoskeletal disorders to which the work environment and the performance of work contribute significantly

    or

  • Musculoskeletal disorders that are made worse or longer lasting by work conditions


Common upper extremity injuries l.jpg
Common Upper Extremity Injuries

  • Tendinitis

  • Carpal Tunnel Syndrome

  • Ulnar Nerve Compression

  • Epicondylitis

  • Thoracic Outlet Syndrome

  • Rotator Cuff Impingement


Common back injuries l.jpg
Common Back Injuries

  • Strain/Sprain

  • Disc Bulge

  • Disc Herniation


Eye strain l.jpg
Eye Strain

  • Dry Burning Eyes

  • Blurred Vision

  • Delayed Focusing

  • Altered Color perception

  • Headaches




Slide12 l.jpg
Risk Factors are elements or components of a task that increase the probability of cause or contribution to musculoskeletal disorders.


Occupational and personal risk factors l.jpg

Repetition increase the probability of cause or contribution to musculoskeletal disorders.

Force

Forceful Exertions

Awkward Postures

Static Postures

Contact Stress

Environmental Factors

Psychosocial Issues

Smoking

Medical Factors

Hobbies

Sports

Occupational and Personal Risk Factors


Repetition l.jpg
Repetition increase the probability of cause or contribution to musculoskeletal disorders.

  • Finger movement when keying

  • Finger/hand movement when mousing

  • Head movement between copy and monitor

  • Eye refocusing


Force l.jpg
Force increase the probability of cause or contribution to musculoskeletal disorders.

  • Lifting

  • Carrying

  • Pushing

  • Pulling

  • Poor body mechanics


Forceful exertions l.jpg
Forceful Exertions increase the probability of cause or contribution to musculoskeletal disorders.

  • Pinching

  • Grasping

  • Keying

  • Mousing

  • Writing

  • Stapling


Awkward postures l.jpg
Awkward Postures increase the probability of cause or contribution to musculoskeletal disorders.

  • Poor body mechanics

  • Twisted torso

  • Slouching

  • Neck rotation/side bending

  • Bent wrists

  • Reaching overhead


Static postures l.jpg
Static Postures increase the probability of cause or contribution to musculoskeletal disorders.

  • Prolonged sitting or standing

  • Unsupported back

  • Unsupported arms

  • Neck rotation or side bending

  • Vision fixed or staring


Contact stress l.jpg
Contact Stress increase the probability of cause or contribution to musculoskeletal disorders.

  • Resting the forearm, wrist or hand on hard or sharp surfaces can compress and damage muscles, nerves, and blood vessels.


Environmental issues l.jpg
Environmental Issues increase the probability of cause or contribution to musculoskeletal disorders.

  • Seating

  • Work surface

  • Storage

  • Lighting

  • Air Quality

  • Noise

  • Privacy


Psychosocial issues l.jpg
Psychosocial Issues increase the probability of cause or contribution to musculoskeletal disorders.

  • Interactions with co-workers

  • Job Satisfaction

  • Work Culture

  • Time Pressures

  • Electronic Monitoring

  • Performance Measures


Smoking l.jpg
Smoking increase the probability of cause or contribution to musculoskeletal disorders.

  • Constricted Blood Vessels

  • Reduced Oxygen

  • Coughing (mechanical strain)


Medical factors l.jpg
Medical Factors increase the probability of cause or contribution to musculoskeletal disorders.

  • Previous Injury

  • Illness

  • Hereditary and congenital conditions


Hobbies and sports l.jpg
Hobbies and Sports increase the probability of cause or contribution to musculoskeletal disorders.


Fitting all the pieces together l.jpg
Fitting All The Pieces Together increase the probability of cause or contribution to musculoskeletal disorders.

  • Seating

  • Work surface

  • Keyboard/Mouse

  • Monitor

  • Telephone

  • Additional accessories

  • Work/Rest Schedule

  • Manual Material Handling


Accepted postures l.jpg
Accepted Postures increase the probability of cause or contribution to musculoskeletal disorders.

  • Upright

  • Thighs declined

  • Reclined

  • Standing

  • Move throughout

  • these postures


Sitting basics l.jpg
Sitting Basics increase the probability of cause or contribution to musculoskeletal disorders.

  • Hips slightly higher than knees

  • Feet supported

  • Lumbar support below beltline

  • Back Angle upright or slightly reclined

  • Arms relaxed or supported


Work surface basics l.jpg
Work Surface Basics increase the probability of cause or contribution to musculoskeletal disorders.

  • Designs should be based on job tasks

  • Surfaces should be height adjustable

  • Reading/writing surface 2 inches higher than elbow height

  • Keyboard/mouse surface elbow height.


Keyboard mouse basics l.jpg
Keyboard/Mouse Basics increase the probability of cause or contribution to musculoskeletal disorders.

  • At or slightly lower than elbow height

  • Neutral wrist postures

  • Relax shoulders

  • Use a light touch


Alternative input devices l.jpg
Alternative Input Devices increase the probability of cause or contribution to musculoskeletal disorders.

  • Split keyboard design

  • Vertical or Concave keyboard design

  • Trackball

  • Touchpad

  • Mouse with a supinated angle

  • Always use on a trial basis prior to purchase


Monitor basics l.jpg
Monitor Basics increase the probability of cause or contribution to musculoskeletal disorders.

  • 25-36 inches from eyes

  • At or slightly lower than eye level

  • Direct alignment

  • Avoid glare or contrast from bright light sources


Additional monitor basics l.jpg
Additional Monitor Basics increase the probability of cause or contribution to musculoskeletal disorders.

  • Ambient light levels 20-50 foot-candles

  • Refresh rate 70-80 Hz

  • Dark characters on a light background

  • Clean monitor at least 1x per week


Telephone basics l.jpg
Telephone Basics increase the probability of cause or contribution to musculoskeletal disorders.

  • Avoid cradling the hand set between your shoulder and head

  • Hold the hand set with your non dominate hand.

  • Use a headset or speaker phone when appropriate


Source documents l.jpg
Source Documents increase the probability of cause or contribution to musculoskeletal disorders.

  • Document holder

    • adjacent to monitor

    • between monitor and keyboard

  • Reading/Writing Slope


Additional accessories l.jpg
Additional Accessories increase the probability of cause or contribution to musculoskeletal disorders.

  • Large grip pen/pencil

    • decrease stress on muscles/tendons

  • Wrist rest

    • use only while pausing between key strokes

  • Footrest

    • essential when feet do not touch

    • the floor

    • help promote postural changes


Work rest schedules l.jpg
Work/Rest Schedules increase the probability of cause or contribution to musculoskeletal disorders.

  • Rotate job tasks at least 1x per hour

  • Utilize scheduled breaks

  • Incorporate stretching into daily routine

  • Change postures frequently

  • Get out of your chair


Manual material handling l.jpg
Manual Material Handling increase the probability of cause or contribution to musculoskeletal disorders.

  • Use good body mechanics

  • Know your abilities

  • Push/pull instead of lift/carry

  • Get assistance


Risk factor identification and solutions l.jpg
Risk Factor Identification and Solutions increase the probability of cause or contribution to musculoskeletal disorders.


Risk factor identification and solutions39 l.jpg
Risk Factor Identification and Solutions increase the probability of cause or contribution to musculoskeletal disorders.


Risk factor identification and solutions40 l.jpg
Risk Factor Identification and Solutions increase the probability of cause or contribution to musculoskeletal disorders.


Your responsibilities l.jpg

Encourage functional and effective work environments increase the probability of cause or contribution to musculoskeletal disorders.

Learn and use adjustment features

Organize workflow

Use neutral body postures

Stretch/exercise

Rotate job tasks

Promote positive employee, supervisor relations

Report symptoms promptly

Demonstrate self responsibility and healthy lifestyles

Perform a self evaluation and modify workstation, job or habits

Your Responsibilities


Resources l.jpg
Resources increase the probability of cause or contribution to musculoskeletal disorders.

  • Your agency safety professional

  • Doer's Safety and Industrial Hygiene Website:

    • www.doer.state.mn.us/ei-safih/ergo.htm

  • Videos

  • Interactive CD ROM


Put it together l.jpg
Put It Together increase the probability of cause or contribution to musculoskeletal disorders.


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