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Vern Putz Anderson Wholesale Retail Trade Sector Sector Coordinator MSD Research Issues WRT Perspective March 18, 2010 Columbus, Ohio

Vern Putz Anderson Wholesale Retail Trade Sector Sector Coordinator

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MSD Research Issues WRT Perspective. Vern Putz Anderson Wholesale Retail Trade Sector Sector Coordinator. March 18, 2010 Columbus, Ohio. WRT Strategic Goal . - PowerPoint PPT Presentation

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Page 1: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

Vern Putz Anderson Wholesale Retail Trade Sector

Sector Coordinator

MSD Research IssuesWRT Perspective

March 18, 2010Columbus, Ohio

Page 2: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

WRT Strategic Goal

Activity/Output Goal 1.2.3 Enlist the support of experienced practitioners who have worked in the sector to identify workplace solutions for manual materials handling problems that would be suitable for publication as a NIOSH document.

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Page 3: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

WRT Strategic Goal

Activity/Output Goal 1.2.3 Enlist the support of experienced practitioners who have worked in the sector to identify workplace solutions for manual materials handling problems that would be suitable for publication as a NIOSH document.

Activity/Output Goal 1.2.4 Conduct studies to assess the effectiveness of workplace interventions that are designed to reduce the physical stresses and risk of MSD injuries from manual materials handling.

3

Page 4: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

WRT Strategic Goal

Activity/Output Goal 1.2.3 Enlist the support of experienced practitioners who have worked in the sector to identify workplace solutions for manual materials handling problems that would be suitable for publication as a NIOSH document.

Activity/Output Goal 1.2.4 Conduct studies to assess the effectiveness of workplace interventions that are designed to reduce the physical stresses and risk of MSD injuries from manual materials handling.

Activity/Output 1.2.6 Perform a business case analysis of one or more interventions for the WRT sector. Select an intervention that is being developed for reducing MSDs associated with manual materials handling activities.

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Page 5: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

WRT Strategic Goals

Reduce chronic musculoskeletal disorders (MSDs) in wholesale and retail trade (WRT) workers.

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Page 6: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

WRT Strategic Goals

Reduce chronic musculoskeletal disorders (MSDs) in wholesale and retail trade (WRT) workers.

1.2.1. Activity/Output Goal Conduct a set of laboratory studies to assess the mechanisms that produce MSDs and aid recovery.

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Page 7: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

WRT Strategic Goals

Reduce chronic musculoskeletal disorders (MSDs) in wholesale and retail trade (WRT) workers.

1.2.1. Activity/Output Goal Conduct a set of laboratory studies to assess the mechanisms that produce MSDs and aid recovery.

Examine the role or interaction of work and non work risk factors

in the etiology of MSDs.

(See next two slides for variables to study)

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Page 8: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

Work Related Risk Factors

Posture Force Duration/Task Exposure Repetition Contact pressure Vibration Rest recovery times Psychosocial Environmental – lighting noise, temperature

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Page 9: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

Non-Work Related Risk FactorsIndividual

Age Gender Physical size Psychosocial Previous injury Health Factors Stress Physical conditioning Genetics Extracurricular activities

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Page 10: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

What factor/variable is missing?10

ImpairsBrain Functioning

Page 11: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

Impairs Performance Similar to Alcohol Intoxication

17 hr awake similar to BAC 0.05%

24 hr awake similar to BAC 0.10%

(Dawson & Reid, 1997; Williamson & Feyer, 2000; Arendt et al. 2005)

Page 12: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

Fatigue

Without Enough Sleep

slower to react

cloudy mind & bad moods

risky behavior ↑

less able to learn

(Durmer & Dinges 2005)

Page 13: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

• Immune system less able to fight germs

• Insulin blood sugar system disrupted

• Appetite hormones off balance → overeat

(Cohen et al. 2009; Spiegel et al. 2002; Van Cauter & Spiegel 1999)

Page 14: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

Three Factors Increase Risk for Fatigue

1. Time of Day – dip in alertness due to circadian rhythms

• 2 AM to 6 AM• 12 MN to 2 AM• 2 PM to 5 PM

2. Time Awake – Sleep Debt

3. Time on Task - monotonous tasks

Page 15: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

Shift Work, Long Work Hours, Other

Disrupt Circadian Rhythms

DisturbSleep

Worker Employer Community

Disturb Family & Social Life

Page 16: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

1.3

1.2

1.1

1.0

1st 2nd 3rd 4th night shifts

(adapted from Folkard & Lombardi, 2006)

Estimated Risk over 4 Successive NightsR

elat

ive

Ris

k

Page 17: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

1.6

1.4

1.2

1.0

6 x 8h 6 x 8h 4 x 12h 4 x 12h day night day nights

(adapted from Folkard & Lombardi, 2006)

Estimated Risk of Incidents 48-h ShiftsR

elat

ive

Ris

k

Page 18: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

1.3

1.2

1.1

1.0

Day Evening Night(adapted from Folkard & Lombardi, 2006)

Relative Risk of Incidents – 5 Studies

Page 19: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

Impacts to Community• Medical errors (Landrigan et al. 2004; Rogers

et al. 2004)

• Automobile crashes (Barger et al. 2005; Kirkcaldy et al. 1997)

• Industrial disasters (Mitler et al. 1988; Folkard & Lombardi 2006)

Page 20: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

Musculoskeletal Disorders

8 studies with control

for physical demands report MSD linked to long work

hours

(Caruso & Waters, 2008)

Page 21: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

(Luckhaupt et al, in press)

Page 22: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator
Page 23: Vern Putz Anderson  Wholesale Retail Trade Sector  Sector Coordinator

WRT Research NeedsFatigue

• Studies that assess the role of fatigue in the etiology of MSDs.

• Studies that assess the role of fatigue as a risk factor for MSDs.

• Studies that assess the role of fatigue as it affects safe or unsafe behavior.

• Studies that assess the extent of fatigue as a chronic condition within the WRT sector.