Occupational Ergonomics 2005

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Presentation Transcript

Slide1: 

WELCOME! TEXAS MUTUAL INSURANCE COMPANY OCCUPATIONAL ERGONOMICS Go Ergo Risk Management Institute at COLLEGE Of The MAINLAND

AGENDA: 

AGENDA 8:00 – 8:10 Opening comments 8:10 – 8:30 Quiz 8:30 – 9:30 The Fundamentals of Ergonomics 9:30 – 9:40 Break 9:40 – 10:45 Anthropometrics & Anatomy 10:45 – 11:15 Work Related Musculoskeletal Disorders 11:15 – 11:25 Break 11:25 - 12:00 VIDEO 12:00 – 1:00 LUNCH Stacy Rose, Loss Prevention Consultant Texas Mutual Insurance Company

AGENDA: 

AGENDA 1:00 – 2:20 Occupational Risk Factors 2:20 – 2:30 Break 2:30 – 3:15 Conducting An Ergonomics Review 3:15 – 4:00 Office Ergonomics 4:00 – 4:10 Break 4:10 – 5:00 Industrial Ergonomics Stacy Rose, Loss Prevention Consultant Texas Mutual Insurance Company Stacy Rose, Loss Prevention Consultant Texas Mutual Insurance Company

Course Objectives: 

Course Objectives Develop an understanding of work-related musculoskeletal disorders Learn to identify ergonomic risk factors in the workplace Develop the knowledge necessary to conduct your own ergonomics review Learn how the principles of ergonomics apply to office & industrial environments

The Science of Ergonomics: 

The Science of Ergonomics Ergo 101

Objectives: 

Objectives Introduce ergonomics & define common terms Review basic anatomy Identify common musculoskeletal disorders Define scope of the problem

Workplace Safety: 

Workplace Safety Electrical Safety Fire Prevention Hazard Communication Personal Protective Equipment Lockout/Tag-out Chemical Safety Asbestos Control Confined Space Medical & First Aid

Ergonomics Defined: 

Ergonomics Defined Early 1700’s, Ramazzini’s study of ill-effects of poor posture & poorly designed tools on the health of workers Greek Words “Ergon = work, Nomikos = law” Ergonomics Study of Work Laws

What Is Ergonomics?: 

What Is Ergonomics? Modern Definition Science of fitting workplace conditions and job demands to the capabilities of the working population

What Is Ergonomics?: 

What Is Ergonomics? Ergon – work Nomos – laws of Ergonomics is the laws of work that define the limits to human capability.

What Is Ergonomics?: 

What Is Ergonomics? Ergonomics is the science of improving employee performance and well-being in relation to the job tasks, equipment, and the environment. Ergonomics is… a continuous improvement effort to design the workplace for what people do well, and design against what people don’t do well.

What Is Ergonomics?: 

What Is Ergonomics? Ergonomics is fitting the job to the person.

Applying Ergonomics: 

Applying Ergonomics Study, research, & experimentation Evaluate human traits/characteristics we need to know for engineering design Application & engineering Design tools, machines, shelter, environment, work tasks, and job procedures to fit and accommodate the human

Ergonomics: 

Ergonomics Human Machine Work Environment Utmost Goal: “Humanization” of Work Design with “E & E”: Ease and Efficiency

The Basics of Ergonomics: 

The Basics of Ergonomics

Slide16: 

INDUSTRIAL ATHLETE SKILL WILL COACHING GREAT EQUIPMENT

Applications of Ergonomics: 

Applications of Ergonomics Anatomy Orthopedics Physiology Medicine Psychology Sociology Industrial Engineering Bio-Engineering Systems Engineering Safety Engineering Military Engineering Computer-Aided Design Anthropometry Biomechanics Work Physiology Industrial Hygiene Management Labor Relations

Occupational Ergonomics: 

Occupational Ergonomics Optimize worker well-being Optimize productivity Minimize workplace stress factors Minimize medical/workers’ compensation costs Increase Company Profitability

Occupational Factors Affecting The Worker……..: 

Occupational Factors Affecting The Worker…….. Physical Hazards Chemical Hazards Biological Hazards

Physical Hazards: 

Physical Hazards Heat Stress/Cold Stress Noise Illumination Ventilation Vibration Radiation Falling, Tripping, Slipping

Chemical Hazards: 

Chemical Hazards Liquids Solids Gases Dusts Fumes Mists Fibers

Biological Hazards: 

Biological Hazards Needle Stick Injuries Blood Borne Pathogens AIDS Anthrax Tuberculosis Rabies Hepatitis

Where Does Ergonomics Fit In?: 

Where Does Ergonomics Fit In? Physical Hazards Chemical Hazards Biological Hazards Ergonomics Human Machine Work Environment   

Common Ergonomic Terms: 

Common Ergonomic Terms Cumulative Trauma Disorders (CTDs) Repetitive Motion Disorders Work-Related Musculoskeletal Disorders (WMSDs)

Cumulative Trauma Disorders: 

Cumulative Trauma Disorders Bodily injuries or physical ailments that have developed gradually over periods of weeks, months, or even years as the result of repeated stresses on a particular body part Source: (Erdil & Dickerson, 1997)

Repetitive Motion Disorders: 

Repetitive Motion Disorders A variety of muscular conditions that result from repeated motions performed in the course of normal work or other daily activities. RMDs may be caused by: overexertion incorrect posture muscle fatigue compression of nerves or tissue too many uninterrupted repetitions of an activity or motion friction caused by an unnatural or awkward motion such as twisting the arm or wrist Source: (National Institute of Neurological Disorders and Stroke )

Examples of Repetitive Motion Disorders: 

Examples of Repetitive Motion Disorders Carpel tunnel syndrome DeQuervain’s disease Raynaud’s syndrome (white finger) Tendinitis Tenosynovitis Trigger finger

Musculoskeletal Disorders: 

Musculoskeletal Disorders An MSD is an injury or illness of Muscles Nerves Tendons Ligaments Joints Cartilage Spinal Discs

Slide31: 

Anterior View: Muscles & Bones

Slide32: 

Posterior View: Muscles & Bones

Musculoskeletal System: 

Musculoskeletal System “The Knee” “Left Anterior Forearm”

Work-Related MSDs: 

Work-Related MSDs Disorders where the work environment & performance of work contribute significantly Made worse or longer lasting by work conditions

Examples of WMSDs: 

Examples of WMSDs Lower Body Low Back Pain Back Strain Disc Disorder Degenerative Disc Disorders Sciatica Knee Disorders Foot Disorders

Examples of WMSDs: 

Examples of WMSDs Upper Body Tension Neck Syndrome Rotator Cuff Syndrome Lateral Epicondylitis (Tennis Elbow) Medial Epicondylitis (Golfer’s Elbow) Tendinitis Carpal Tunnel Syndrome DeQuervain’s Tenosynovitis Trigger Finger Hand-Arm Vibration Syndrome

Common Physical Injuries/Illnesses: 

Common Physical Injuries/Illnesses

Scope of Problem: 

Scope of Problem

Why is Ergonomics Important?: 

Why is Ergonomics Important? Financial Humanistic Regulatory Public relations Employee/labor relations $ Human

Regulatory Agencies: 

Regulatory Agencies National Institute for Occupational Safety & Health (NIOSH) Occupational Safety & Health Administration (OSHA) Department of Labor Workers’ Compensation Insurance Companies

Slide41: 

Bureau of Labor & Statistics Number of Fatalities Number of Non-Fatal Injuries & Illnesses Lost Workday Cases Injury and Illness Incident Rates The Bureau of Labor Statistics is the principal fact-finding agency for the Federal Government in the broad field of labor economics and statistics.

Scope of the problem: 

Scope of the problem Bureau of Labor & Statistics (BLS), 2002 Total cases of non-fatal injuries and illnesses 4,700,600 1,436,194 Cases Involved Days Away From Work

More about the injuries……: 

More about the injuries…… Carpal tunnel syndrome cases had more median days away from work (30) than either fractures (29) or amputations (26) Source: BLS 2002

Musculoskeletal Disorders: 

Musculoskeletal Disorders Total musculoskeletal disorders 487.9 9 (1,000’s) Occupations Number Median Days AFW Nursing aides, orderlies, and attendants 44.4 6 Truck drivers 36.8 12 Laborers, nonconstruction 24.9 8 Janitors and cleaners 15.2 7 Assemblers 15.2 14 Construction laborers 11.1 10 Registered nurses 10.8 6 Supervisors and proprietors, sales occupations 9.9 7 Cashiers 9.3 8 Stock handlers and baggers 8.8 5 Sales workers, other commodities 7.8 7

Slide53: 

Sprains, strains, and tears accounted for over 75.8% of the musculoskeletal disorders that resulted in days away from work in 2002. Carpal Tunnel Syndrome accounted for over 4.6% of the musculoskeletal disorders that resulted in days away from work in 2002. More about the injuries……

Slide54: 

A majority of injured or ill workers were 20 to 44 years old Workers 20 to 44 had a higher incidence of injuries or illnesses, while workers 45 and older had a lower incidence of injuries or illnesses than each of their hours worked shares suggest More about the injuries……

Slide55: 

Two-thirds of the injured or ill workers were men, well above their 59 percent share of the nation’s hours worked. Most workers (37.2%) had at least 1 to 5 years of service with their employer when they were injured or became ill. More about the injuries……

Workers’ Compensation Claims: 

Workers’ Compensation Claims Texas Mutual Claims for 2002 26,175 For 3 month period, small business policyholders (premium less than $50,000): Total Claims: 3,774 Strains 664 (18%) Sprains 424 (11%) Carpal Tunnel Syndrome 17 (0.45%)

Workers’ Compensation Costs: 

Workers’ Compensation Costs Total Claims: 3,774 Total Dollar Loss: $28,103,240 Strains $5,044,619 $7,597 Sprains $2,549,584 $6,013 Carpal Tunnel Syndrome $180,232 $10,602 Total Incurred Cost Average Incurred Cost

Financial Burden: 

Financial Burden Source: Liberty Mutual Workplace Safety Index, 2003; Published by The Liberty Mutual Research Institute for Safety In year 2001, serious workplace injury & illnesses cost $45.8 billion

Questions?: 

Questions?