712_12 Lect_MSD Prevention CH2

712_12 Lect_MSD Prevention CH2 - 1 Musculoskeletal...

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Unformatted text preview: 2/2/2012 1 Musculoskeletal Disorders Ontario MSD Prevention Guideline Chapter 2 Copyright (c) 2012 P. Neumann, BSc, MSc, LicEng, PhD, LEL, Eur.Erg – This teaching material is not for resale or commercial use. Note that at ribution errors and missing acknowledgements may exist in this material; for which the author apologises Occupational Health Costs (US 1992) $ 6 7 $ 1 6 4 $ 1 7 1 $ 1 7 1 $ 1 4 9 $ 6 0 $ 8 0 $ 1 0 0 $ 1 2 0 $ 1 4 0 $ 1 6 0 $ 1 8 0 t (US$ Billions) $ 3 0 $ 0 $ 2 0 $ 4 0 AIDS Alzheimers Circulatory Disease Cancer Occupational Diseases Musculoskeletal Total Cos Scope of Problem • 4-5% Gross World Product in work-related ill health (WHO:ILO 1998) – ~40% Musculoskeletal Disorders – $40-50 Billion in Canada – $19 Billion in Ontario 2004 (MOL) 1996 USA: $60 Billion Comp Costs (GAO 1997) • 1996 USA: $60 Billion Comp Costs (GAO 1997) • Work Days Lost – 125 Mil. (USA) – 600 Mil. (EU) (ill health) 2.2 Million work-related DEATHS /year MSDs in Ontario In Ontario, MSDs account for • > 40% of LT Claims reported to WSIB • almost 50% of LT D • > 42% of Benefit Costs for LT Claims From 1996 – 2004 Ontario averaged • ~ 42,500 LT MSD claims • ~ 3 Million LT days due to MSD • ~ $380,000,000 (claims cost) 2/2/2012 2 MSDs by Body Part 4 th Survey on Working Conditions in EU Parent-Thirion et al 2007. n~ 15 000 EU workers 4 th Survey on Working Conditions in EU Parent-Thirion et al 2007. n~ 15 000 EU workers The WMSD iceberg of impact RSI Watch one-year Prevalence in 1996 Lost days at work Pain > 12 times or > 7 days in last year, > Moderate intensity (“Case”) 15% 20% Reported to workplace Saw health practitioner Work aggravates pain to some extent Any neck or upper limb pain 22% 29% 51% 60% 2/2/2012 3 Tissue Types? Tissue • Cartilage • Ligaments • Tendons figure 4.19 – tendonitis/tenosynovitis – vulnerable to repetitive loading- Muscles (skeletal)- need blood flow- Nerves Konz & Johnson 2004 Musculoskeletal Disorders (MSDs) Are: • injuries and disorders of the musculoskeletal system: the muscles, tendons, tendon sheaths, nerves, bursa, blood vessels, joints, spinal discs, and ligaments • from exposure to various hazards present in the workplace may have contributed to their workplace may have contributed to their development or aggravated a pre-existing condition. • MSDs do not include musculoskeletal injuries ordisorders that are the direct result of a fall, struck by or against, caught in or on, vehicle collision, violence,etc. Name different MSDs... Shoulder Structure of a Tendon 2/2/2012 4 Zones of Innervation Tissue • Cartilage • Ligaments • Tendons figure 4.19 – tendonitis/tenosynovitis – vulnerable to repetitive loading- Muscles (skeletal)- need blood flow- Nerves Konz & Johnson 2004 Pressure in the Supraspinatus Muscle Model of the Work System 2/2/2012 5 MSDs (Musculoskeletal Disorders) • Safety – Sudden incident • Toxicology – Chemical Exposure • MSDs – Musculoskeletal disorders...
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This note was uploaded on 03/07/2012 for the course IND IND712 taught by Professor Dr.patrickneumann during the Winter '12 term at Ryerson.

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712_12 Lect_MSD Prevention CH2 - 1 Musculoskeletal...

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