An Examination of Shoulder Postures and Moments of Force Among Different Skill Levels in the Wool Harvesting Industry

Gregory, Diane E.; Pal, Poonam; Carman, Allan; Milosavljevic, Stephan; Callaghan, Jack P.

doi:10.1080/10803548.2009.11076821

Cited by 8 publications

(2 citation statements)

References 14 publications

(23 reference statements)

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“…There has been very little research on the injury risk or biomechanical, ergonomic or physiological demands of wool handlers (Gregory et al 2009). Workplace observation ( Figure 1) reveals a predominantly female workforce working in a variety of repetitive postures (often stooped) picking up in excess of 200 fleeces per day, each weighing between 5 to 10kg, and "throwing" these onto wool sorting tables where they are prepared, graded, and separated into various quality components.…”

Section: Introductionmentioning

confidence: 99%

“…Workplace observation ( Figure 1) reveals a predominantly female workforce working in a variety of repetitive postures (often stooped) picking up in excess of 200 fleeces per day, each weighing between 5 to 10kg, and "throwing" these onto wool sorting tables where they are prepared, graded, and separated into various quality components. Gregory et al (2009) has recently investigated shoulder postures and loads of wool handlers and observed that highest skill (open class) spends significantly more time in neutral or mild shoulder postures. They suggest that risk of sustaining injury to the upper limb of the open class wool handler may be less than that of other skill levels and argue the potential importance of this observation for industry workforce training.…”

Section: Introductionmentioning

confidence: 99%

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The interaction between skill, postures, forces and back pain in wool handling

Milosavljevic¹,

Gregory²,

Pal³

et al. 2011

Applied Ergonomics

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Wool handling is an important rural occupation where workers process 200 or more fleeces daily, separating them into various quality components. Loads and postures they experience carry substantial risk of low back pain (LBP). Although a formal skill training structure exists, interaction with loads and LBP is unknown. We examined whether skill and LBP influenced trunk postures and loads of 60 wool handlers representing 3 skill levels. LBP prevalence ranged from 20% for junior (lowest skill) to 45% for open class (highest skill) wool handlers. Open class wool handlers demonstrated increased lateral bend and more axially twisted postures, generating greater medio-lateral shear forces and lateral bend and axial twist moments. LBP was associated with open class wool handlers spending more time in severe axially twisted postures. These findings suggest that skill-based training needs to be reviewed to reduce the quantity of axially twisted posture which may help reduce the prevalence of LBP in this workforce.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The interaction between skill, postures, forces and back pain in wool handling

Milosavljevic¹,

Gregory²,

Pal³

et al. 2011

Applied Ergonomics

Self Cite

View full text Add to dashboard Cite

show abstract

Effects of work experience on work methods during dynamic pushing and pulling

Lee¹,

Nussbaum²,

Kyung³

2014

International Journal of Industrial Ergonomics

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Prevalence of occupation-related pain among baristas and an examination of low back and shoulder demand during the preparation of espresso-based beverages

et al. 2014

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Many baristas complain of low back pain (LBP) and upper extremity discomfort while at work. This study documented the prevalence of LBP and shoulder pain, via questionnaire, among a population of baristas to determine whether cumulative low back loads and shoulder moments are associated with pain reporting. Fifty-nine baristas completed the questionnaire; ten were also video-recorded for biomechanical analysis while making espresso beverages and cumulative and peak low back loads and shoulder moments were calculated. Seventy-three percent of those who completed the questionnaire reported having experienced LBP, and half attributed this pain to their job as a barista. Furthermore, 68% reported having experienced shoulder pain and half also attributed this pain to their job. Those who suffered from LBP had higher peak low back compression and those with shoulder pain had, in general, higher moments about their dominant shoulder.

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An Examination of Shoulder Postures and Moments of Force Among Different Skill Levels in the Wool Harvesting Industry

Abstract: The wool harvesting industry employs workers of varying skill levels that differ in both qualityperformance ergonomics sheep shearing biomechanics shoulder skill posture

Cited by 8 publications

References 14 publications

The interaction between skill, postures, forces and back pain in wool handling

The interaction between skill, postures, forces and back pain in wool handling

Effects of work experience on work methods during dynamic pushing and pulling

Prevalence of occupation-related pain among baristas and an examination of low back and shoulder demand during the preparation of espresso-based beverages

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