ergonomics

Document Sample
ergonomics Powered By Docstoc
					Ergonomics
 Ergonomics
Matching  :
 the workplace

 the task to be
  performed
 human capabilities and
     limitations
  Ergonomics
Matching  :
 the workplace

 the task to be
  performed
 human capabilities and
     limitations
Ergonomics
The  Fit Among:
 person
 tools
 task
Literal
 Erg ~ work
 Nomics ~ the study of
Musculoskeletal Disorders
Musculoskeletal
 System
 muscle
 tendon
 bursa
 ligaments
Musculoskeletal Disorders
Musculoskeletal
 System
 muscle
 tendon
 bursa
 ligaments
  Ergonomic
  Injuries of Disability
Leading Cause
 affects   ½ of the nation's
   work force
30% to 40% of lost work time
 injuries/illnesses
  second only to common
   cold at 40%
  Ergonomic
  Injuries of Disability
Leading Cause
 affects   ½ of the nation's
   work force
30% to 40% of lost work time
 injuries/illnesses
  second only to common
   cold at 40%
 Body Mechanics
Natural Body Positions
Natural Range of
  Movement
 joints

 body structures
 Body Mechanics
Natural Body Positions
Natural Range of
  Movement
 joints

 body structures
 Administrative Controls
  Common Sense Solutions
Job Rotation
Additional Breaks
Light Work
Footrest or Rail
Frequent Change of Position
Avoid Static Seated
 Postures
 Administrative Controls
  Common Sense Solutions
Job Rotation
Additional Breaks
Light Work
Footrest or Rail
Frequent Change of Position
Avoid Static Seated
 Postures
Other Administrative Controls
Additional Employees
Resilient Floor Mats
Height-Adjustable
   Chairs/Stools
Sitting Preferable to
   Standing
Adjustable Lumbar Support
Avoid Bending or Reaching
Other Administrative Controls
Additional Employees
Resilient Floor Mats
Height-Adjustable
   Chairs/Stools
Sitting Preferable to
   Standing
Adjustable Lumbar Support
Avoid Bending or Reaching
  Administrative Controls
        for Lifting
Minimize   Weight, Range of
   Motion & Frequency of
   Activity
Eliminate High Strength
   Push/Pull
Eliminate Twisting,
   Stretching, Leaning
Heavy Objects at Waist Level
  Administrative Controls
        for Lifting
Minimize   Weight, Range of
   Motion & Frequency of
   Activity
Eliminate High Strength
   Push/Pull
Eliminate Twisting,
   Stretching, Leaning
Heavy Objects at Waist Level
 Engineering Controls
Eliminate the Hazardous Motion
Change the Hazardous Position
  –adjust height
   workstation
   pallet
   shelf etc..
Distance Between Person and
 the Object Being Handled
Engineering Controls
Major Points

     Job
    Hazard
   Analysis
Major Points

     Job
    Hazard
   Analysis
  Job Hazard Analysis
Study of Individual Jobs
Signs and Symptoms
History
Repetitive Motions
Awkward Lifting and Turning
Lifting
Carrying
Natural Body Positions
  Job Hazard Analysis
Study of Individual Jobs
Signs and Symptoms
History
Repetitive Motions
Awkward Lifting and Turning
Lifting
Carrying
Natural Body Positions
Major Points
  Ergonomics
   Protection
    Program
Major Points
  Ergonomics
   Protection
    Program
 Ergo Protection Program
Thorough Job Analysis
An Abatement Plan
Engineering Controls
Work Practice Controls
PPE
Administrative Controls
Medical Management
Labor Involvement
Back Injuries

Incidence
Cost of Back Injuries
Contributing Factors
Back Injuries
Acute
 immediate   result
 single trauma

Chronic
 develop gradually

 repetitive activity
Major Points
  Evaluating
    Lifting
      and
   Carrying
Major Points
  Evaluating
    Lifting
      and
   Carrying
 Evaluating Manual Lifting
Horizontal Distance
Vertical Distance
Frequency
Floor/Shoe Traction
Space Constraints
Twisting
Two-Handed Lifts
Size of Load
Stability
Gripability
  NIOSH Lifting Formula
Action Limit (AL) =
90{(6)/H}{(1)-(0.01)/V-30}{0.7 +
 (3)/D}{1 + (F)/Fmax}
H = horizontal location
V = Vertical location
D = vertical travel distance
F = average frequency
Fmax = maximum frequency
  Employee Training
Signs and Symptoms
Prevention
Use of Special Equipment
Engineering Controls
Work Practice Controls
Administrative Controls
Re-Training
Refresh
END

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:6
posted:2/11/2013
language:English
pages:33
Description: health and safety usa