Tibbi-i-kar

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Abstract Background:Whole body vibration (WBV) is a form of cumulative trauma that long in time cause of prostates,hemorrhoid, cardiovascular disorder, herniation and disk degeneration. The aim of this study is evaluation of correlation between neck pains with whole body vibration in heavy equipment drivers. Methods:For evaluation correlation between WBV with neck pain we select two groups of drivers. First group were Benz truckdrivers.WithinANSI 2003 standard first group are high risk for health to exposurewith WBV (r.m.s 2.9 m/s²) and second group were Samand automotive drivers without risk for health with r.m.s0.4 m/s².Each group contains 100persons and factors suchas age, smoking, body mass Index (BMI), driving duration in addition to WBV and thenassociation with neck pain were assessed. Results:Association between neck pain with age, prehistory of driving and WBV were static significant and association with BMI, smoking were negative.Relevant to logistic regression analysis totality of age, WBV and prehistory of driving variable can predict 11 presentof neck pain in truck driver so most effect size between these variables correlated with WBV with odds ratio 2.65. Conclusion:With attention of hazards of WBV on the health system of heavy equipment drivers application of suspension design for isolation of WBVis necessary. It sounds ergonomic factors like awkward posture and static load are the most predictor for neck pain in truck drivers.

Keywords: whole body vibration, ergonomy, suspension system, neck pain

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* Corresponding Author Address: Industry Related Diseases Research Center, Shahid Sadoughi University of Medical Sciences

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