Whole-body vibration and postural stress among operators of construction equipment: A literature review

Kittusamy, N. Kumar; Buchholz, Bryan

doi:10.1016/j.jsr.2004.03.014

Cited by 133 publications

(60 citation statements)

References 25 publications

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“…Drivers of heavy vehicles can be exposed to whole-body vibration for extended periods of time every working day 1) . As occupations that involve exposure to vibration have also been associated with low back pain 2) , the EU is introducing legislation to enforce management of vibration risks and minimisation of exposure 3) .…”

Section: Introductionmentioning

confidence: 99%

Effect of Backrest and Torso Twist on the Apparent Mass of the Seated Body Exposed to Vertical Vibration

Mansfield

Maeda

2005

Ind Health

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Occupational exposure to whole-body vibration is often combined with a requirement to perform twisting actions. This paper reports a study where the effect of twisting on the biomechanical response of the seated person was investigated. Twelve male subjects were exposed to vertical random whole-body vibration at 0.4 m/s 2 r.m.s. Each subject sat in four different postures: 'back-on', 'backoff', 'twist' (where subjects were required to twist the torso by 90°) and 'move' (where subjects were required to performing a moving task with extended arms). Similar apparent masses were measured for the 'back-on', 'back-off' and 'twist' conditions, where a peak occurred at about 6 Hz. For the 'move' condition, the peak in the apparent mass was attenuated indicating a different biomechanical response in this posture. The 6 Hz peak in fore-and-aft cross-axis apparent mass was eliminated in the 'move' condition. It is suggested that the change in biomechanical response is due to either the extended arms acting as a passive vibration absorber or that the twisting action interferes with the usual acceleration-muscle feedback system. Further work will be required to test these hypotheses.

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Section: Introductionmentioning

confidence: 99%

Effect of Backrest and Torso Twist on the Apparent Mass of the Seated Body Exposed to Vertical Vibration

Mansfield

Maeda

2005

Ind Health

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“…Although, there is a paucity of papers that have studied simultaneously exposure to whole-body vibration and awkward posture of vehicle operators during typical use of mobile equipment [47]. Currently there are mostly observational methods (i.e., "time and motion study") available to monitor the operator's posture during WBV exposure that lack precision and accuracy [48].…”

Section: Journal Of Low Frequency Noise Vibration and Active Controlmentioning

confidence: 99%

Diagnosis of Whole-Body Vibration Related Health Problems in Occupational Medicine

Johanning¹

2011

Journal of Low Frequency Noise, Vibration and Active Control

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Occupational whole-body vibration (WBV) exposed workers may report nonspecific health complaints or debilitating physical disorders. Health care providers and safety professionals may not recognize such occupational injuries and be unfamiliar with appropriate exposure assessment. Method: Review of peer-reviewed clinical studies and publications, medical evidence, differential diagnostic evaluation protocols, surveillance programs, national and international standards, and intervention recommendations regarding WBV. Results: There are well-designed epidemiological studies showing that prolonged and increasing exposures to WBV can primarily result in musculoskeletal or neurological disorders of the spine. Less frequent and weaker evidence exist for organ damage that include intestinal organs, vascular system and other body parts. In some countries spinal injury caused by longterm occupational WBV exposure is compensable. Many physicians and occupational safety experts seem to be unfamiliar with the wide spectrum of health complaints and the proper evaluation of WBV-exposed patients following expert reviews and international guidelines/standards. Detailed protective regulations and provisions exist primarily in highly industrialized countries with good occupational health systems. The causal diagnosis should be based on medical findings, a differential diagnostic methodology and adequate work exposure assessment and documentation of WBV. Conclusion: A proper WBV-related injury diagnosis includes a critical review of the work history, exposure data assessment and the clinical differential diagnostic evaluation. Many health care providers receive little or no training in the recognition of WBV-related injuries and case management. WBV health surveillance should assess the health status of WBV-exposed workers and address preventive measures for employers and employees.

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“…It may cause adverse relevant health effects or discomfort on operators driving machinery [2]. Numerous researchers point out that WBV exposure is suspected to be the cause dangerous of health effects [3] such as fatigue, lower back pain [4], vision problems, interference with or irritation to the lungs, abdomen, or bladder, and adverse effects to the digestive, genital/urinary, and female reproductive systems [5].…”

Section: Introductionmentioning

confidence: 99%

A comparison between methods for assessment of whole-body vibration exposure: A case study in a limestone quarry

Degan¹,

Coltrinari²,

Lippiello³

et al. 2018

Int. J. SAFE

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The problem of the whole body vibration (WBV) exposure for operators in the workplace has been analyzed by many researchers that have studied for a long time the complex relationships between this phenomenon and human health risks. Previous studies have shown that drivers of different vehicles, in particular operators in mining activities, are afflicted by serious musculoskeletal injuries due to WBV exposure. Criteria in order to measure and assess equivalent daily exposure, associated with different operations of the vehicles, are referred to standards ISO2631-1, based on method of the frequencyweighted equivalent continuous root mean squared (r.m.s.) acceleration. Numerous studies point out the complexity to outline a clear relationship between WBV exposure and the human health disorders. An experimental campaign was realized in a limestone quarry near Rome and vibration measurements were recorded on four different mining vehicles (dumper, jeep, digger and puncher machine). The vibratory signal was taken at the seat operator/seat interface (X, Y and Z axes) in accordance with the ISO 2631-1 during daily quarry operations. The data obtained were elaborated and finally the results are presented in order to evidence the difference of WBV exposure between the specific operating tasks and some methods for the purpose of exposure dose reduction are suggested.

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Whole-body vibration and postural stress among operators of construction equipment: A literature review

Cited by 133 publications

References 25 publications

Effect of Backrest and Torso Twist on the Apparent Mass of the Seated Body Exposed to Vertical Vibration

Effect of Backrest and Torso Twist on the Apparent Mass of the Seated Body Exposed to Vertical Vibration

Diagnosis of Whole-Body Vibration Related Health Problems in Occupational Medicine

A comparison between methods for assessment of whole-body vibration exposure: A case study in a limestone quarry

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