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Exposure to whole-body vibration and mechanical shock: a field study of quad bike use in agriculture.
Ann Occup Hyg. 2011 Apr; 55(3):286-95.AO

Abstract

OBJECTIVES

The purpose of this study was to determine exposure to whole-body vibration (WBV) and mechanical shock in rural workers who use quad bikes and to explore how personal, physical, and workplace characteristics influence exposure.

METHODS

A seat pad mounted triaxial accelerometer and data logger recorded full workday vibration and shock data from 130 New Zealand rural workers. Personal, physical, and workplace characteristics were gathered using a modified version of the Whole Body Vibration Health Surveillance Questionnaire. WBVs and mechanical shocks were analysed in accordance with the International Standardization for Organization (ISO 2631-1 and ISO 2631-5) standards and are presented as vibration dose value (VDV) and mechanical shock (S(ed)) exposures.

RESULTS

VDV(Z) consistently exceeded European Union (Guide to good practice on whole body vibration. Directive 2002/44/EC on minimum health and safety, European Commission Directorate General Employment, Social Affairs and Equal Opportunities. 2006) guideline exposure action thresholds with some workers exceeding exposure limit thresholds. Exposure to mechanical shock was also evident. Increasing age had the strongest (negative) association with vibration and shock exposure with body mass index (BMI) having a similar but weaker effect. Age, daily driving duration, dairy farming, and use of two rear shock absorbers created the strongest multivariate model explaining 33% of variance in VDV(Z). Only age and dairy farming combined to explain 17% of the variance for daily mechanical shock. Twelve-month prevalence for low back pain was highest at 57.7% and lowest for upper back pain (13.8%).

CONCLUSIONS

Personal (age and BMI), physical (shock absorbers and velocity), and workplace characteristics (driving duration and dairy farming) suggest that a mix of engineered workplace and behavioural interventions is required to reduce this level of exposure to vibration and shock.

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Authors+Show Affiliations

Milosavljevic S
Centre for Physiotherapy Research, School of Physiotherapy, University of Otago, Dunedin 9054, New Zealand. stephan.milosavljevic@otago.ac.nz
McBride DI
No affiliation info available
Bagheri N
No affiliation info available
Vasiljev RM
No affiliation info available
Mani R
No affiliation info available
Carman AB
No affiliation info available
Rehn B
No affiliation info available

MeSH

AdultAge FactorsAgricultureBack PainBody Mass IndexFemaleHealth SurveysHumansMaleMiddle AgedMultivariate AnalysisNew ZealandOccupational ExposureOff-Road Motor VehiclesPrevalenceSurveys and QuestionnairesVibrationWorkplace

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

21220741

Citation

Milosavljevic, Stephan, et al. "Exposure to Whole-body Vibration and Mechanical Shock: a Field Study of Quad Bike Use in Agriculture." The Annals of Occupational Hygiene, vol. 55, no. 3, 2011, pp. 286-95.
Milosavljevic S, McBride DI, Bagheri N, et al. Exposure to whole-body vibration and mechanical shock: a field study of quad bike use in agriculture. Ann Occup Hyg. 2011;55(3):286-95.
Milosavljevic, S., McBride, D. I., Bagheri, N., Vasiljev, R. M., Mani, R., Carman, A. B., & Rehn, B. (2011). Exposure to whole-body vibration and mechanical shock: a field study of quad bike use in agriculture. The Annals of Occupational Hygiene, 55(3), 286-95. https://doi.org/10.1093/annhyg/meq087
Milosavljevic S, et al. Exposure to Whole-body Vibration and Mechanical Shock: a Field Study of Quad Bike Use in Agriculture. Ann Occup Hyg. 2011;55(3):286-95. PubMed PMID: 21220741.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Exposure to whole-body vibration and mechanical shock: a field study of quad bike use in agriculture. AU - Milosavljevic,Stephan, AU - McBride,David I, AU - Bagheri,Nasser, AU - Vasiljev,Radivoj M, AU - Mani,Ramakrishnan, AU - Carman,Allan B, AU - Rehn,Borje, Y1 - 2011/01/10/ PY - 2011/1/12/entrez PY - 2011/1/12/pubmed PY - 2011/12/13/medline SP - 286 EP - 95 JF - The Annals of occupational hygiene JO - Ann Occup Hyg VL - 55 IS - 3 N2 - OBJECTIVES: The purpose of this study was to determine exposure to whole-body vibration (WBV) and mechanical shock in rural workers who use quad bikes and to explore how personal, physical, and workplace characteristics influence exposure. METHODS: A seat pad mounted triaxial accelerometer and data logger recorded full workday vibration and shock data from 130 New Zealand rural workers. Personal, physical, and workplace characteristics were gathered using a modified version of the Whole Body Vibration Health Surveillance Questionnaire. WBVs and mechanical shocks were analysed in accordance with the International Standardization for Organization (ISO 2631-1 and ISO 2631-5) standards and are presented as vibration dose value (VDV) and mechanical shock (S(ed)) exposures. RESULTS: VDV(Z) consistently exceeded European Union (Guide to good practice on whole body vibration. Directive 2002/44/EC on minimum health and safety, European Commission Directorate General Employment, Social Affairs and Equal Opportunities. 2006) guideline exposure action thresholds with some workers exceeding exposure limit thresholds. Exposure to mechanical shock was also evident. Increasing age had the strongest (negative) association with vibration and shock exposure with body mass index (BMI) having a similar but weaker effect. Age, daily driving duration, dairy farming, and use of two rear shock absorbers created the strongest multivariate model explaining 33% of variance in VDV(Z). Only age and dairy farming combined to explain 17% of the variance for daily mechanical shock. Twelve-month prevalence for low back pain was highest at 57.7% and lowest for upper back pain (13.8%). CONCLUSIONS: Personal (age and BMI), physical (shock absorbers and velocity), and workplace characteristics (driving duration and dairy farming) suggest that a mix of engineered workplace and behavioural interventions is required to reduce this level of exposure to vibration and shock. SN - 1475-3162 UR - https://www.unboundmedicine.com/medline/citation/21220741/Exposure_to_whole_body_vibration_and_mechanical_shock:_a_field_study_of_quad_bike_use_in_agriculture_ L2 - https://academic.oup.com/annweh/article-lookup/doi/10.1093/annhyg/meq087 DB - PRIME DP - Unbound Medicine ER -