<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0379-3982</journal-id>
<journal-title><![CDATA[Revista Tecnología en Marcha]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnología en Marcha]]></abbrev-journal-title>
<issn>0379-3982</issn>
<publisher>
<publisher-name><![CDATA[Instituto Tecnológico de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0379-39822020000400003</article-id>
<article-id pub-id-type="doi">10.18845/tm.v33i4.4470</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Exposición ocupacional a ruido y vibraciones en cuerpo entero en agricultores de la Zona Norte de Cartago, Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[Occupational exposure to noise and whole-body vibration in farmers of the Northern Area of Cartago, Costa Rica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Araya-Solano]]></surname>
<given-names><![CDATA[Tannia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villalobos-Rodríguez]]></surname>
<given-names><![CDATA[Ara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica Escuela de Ingeniería en Seguridad Laboral e Higiene Ambiental ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica Escuela de Ingeniería en Seguridad Laboral e Higiene Ambiental ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>33</volume>
<numero>4</numero>
<fpage>3</fpage>
<lpage>14</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0379-39822020000400003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0379-39822020000400003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0379-39822020000400003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Como parte de las actividades que se realizan en el sector agrícola se hace uso de vehículos, por lo que se tiene contacto con diferentes agentes físicos como el ruido y las vibraciones de cuerpo entero, debido a esto el objetivo de este proyecto fue determinar la exposición ocupacional a estos agentes durante el uso del tractor, específicamente en labores realizadas en la Zona Norte de Cartago, Costa Rica. Para alcanzar dicho objetivo, se efectuó un estudio exploratorio en 13 fincas, en las cuales se cuantificaron los valores de exposición a ambos agentes, haciendo uso de un vibrómetro y audiodosímetros. Como resultado, se obtuvo que los niveles de exposición diaria a vibraciones se encuentran sobre el valor de acción en el 53,8% de los casos, y los resultados del nivel sonoro continuo equivalente (NSCE) se ubican entre los 54,8dB(A) a 75,4 dB(A), por lo que no sobrepasan el nivel de exposición ocupacional. Además, se identificaron los factores de riesgo relacionados con estos agentes, la antigüedad de la maquinaria y dispositivos colocados en el vehículo, así como los factores personales que pueden influir en la aparición de dolencias, relacionadas con la actividad laboral. Existen otros factores de riesgo en la población en estudio, asociados a las posturas adoptadas y al índice de masa corporal de los colaboradores. Se concluye que la exposición a las vibraciones en cuerpo entero, podría llegar a generar efectos a la salud a largo plazo, además, el dispositivo de acople y modelo se convierten en factores que pueden influir en la exposición.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The use of tractor in the agricultural sector is very common, the physical agents associated with it use are noise and vibrations of the whole body; the objective of this project was to determine occupational exposure to these agents during the use of the tractor in 13 small companies of the northern zone of Cartago, Costa Rica. The exposure were measurement with the ISO 2631- 1: 2001 and noise dosimeter. As a result, it was obtained that daily vibration exposure levels are above the action level in 53,8% of cases, and the noise level is between 54,8dB(A) a 75,4 dB(A), below occupational level exposure. The risks factors identified were related to the model and devices used in the equipment, postures and body mass index. The main conclusion is that the exposure to whole body vibration may cause health problems in the term, the model and devices used in the equipment are a risk factor of the exposure.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Vibraciones]]></kwd>
<kwd lng="es"><![CDATA[agricultura]]></kwd>
<kwd lng="es"><![CDATA[trabajadores agrícolas]]></kwd>
<kwd lng="es"><![CDATA[vibraciones cuerpo entero]]></kwd>
<kwd lng="es"><![CDATA[ruido]]></kwd>
<kwd lng="es"><![CDATA[maquinaria agrícola]]></kwd>
<kwd lng="en"><![CDATA[Tractor]]></kwd>
<kwd lng="en"><![CDATA[occupational exposure]]></kwd>
<kwd lng="en"><![CDATA[whole body vibration]]></kwd>
<kwd lng="en"><![CDATA[noise]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>(1)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lunner Kolstrup]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Work-related musculoskeletal discomfort of dairy farmers and employed workers,]]></article-title>
<source><![CDATA[Journal of Occupational Medicine and Toxicology]]></source>
<year>2012</year>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>(2)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fathallah]]></surname>
<given-names><![CDATA[F. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Musculoskeletal disorders in labor-intensive agriculture]]></article-title>
<source><![CDATA[Applied Ergonomics]]></source>
<year>2010</year>
<page-range>738-43</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>(3)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Papageorgiou]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Agricultural equipment in Greece: Farm machinery management in the era of economic crisis]]></article-title>
<source><![CDATA[Agriculture and Agricultural Science Procedia]]></source>
<year>2015</year>
<page-range>198-202</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>(4)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Walker Bone]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Palmer]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Musculoskeletal disorders in farmers and farm workers,]]></article-title>
<source><![CDATA[Occupational Medicine]]></source>
<year>2002</year>
<page-range>441-50</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>(5)</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lashgaria]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Maleki]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluation of lawn tractor noise using acoustic and psychoacoustic descriptors,» Engineering in Agriculture, Environment and Food]]></source>
<year>2016</year>
<page-range>116-22</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>(6)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Verma]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Guru]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Naik]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Noise and Vibration Analysis of Power Tillers during Field Operations]]></article-title>
<source><![CDATA[International Journal of Bio-Resource &amp; Stress Management]]></source>
<year>2014</year>
<page-range>288-93</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>(7)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Langer]]></surname>
<given-names><![CDATA[T. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Ebbesen]]></surname>
<given-names><![CDATA[M. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Kordestani]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Experimental analysis of occupational whole-body vibration exposure of agricultural tractor with large square baler,]]></article-title>
<source><![CDATA[International Journal of Industrial Ergonomics]]></source>
<year>2015</year>
<page-range>79-83</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>(8)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cutini]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Bisaglia]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Development of a simplified method for evaluating agricultural tractor&#8217;s operator whole body vibration]]></article-title>
<source><![CDATA[Journal of Terramechanics]]></source>
<year>2016</year>
<page-range>23-32</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>(9)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bilski]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Exposure to audible and infrasonic noise by modern agricultural tractors operators]]></article-title>
<source><![CDATA[Applied Ergonomics]]></source>
<year>2013</year>
<page-range>2010-4</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>(10)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aybek]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kamer]]></surname>
<given-names><![CDATA[H. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Arslan]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Personal noise exposures of operators of agricultural tractors]]></article-title>
<source><![CDATA[Applied Ergonomics]]></source>
<year>2010</year>
<page-range>274-81</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>(11)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rikondo Iriondo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vibraciones mecánicas. Qué son y cómo se evalúa el riesgo?,]]></article-title>
<source><![CDATA[Seguridad Industrial]]></source>
<year>2007</year>
<page-range>499-506</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>(12)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kutz]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Handbook of Transportation Engineering, Volume II: Applications and Technologies]]></article-title>
<source><![CDATA[New York: McGraw-Hill Education]]></source>
<year>2011</year>
</nlm-citation>
</ref>
<ref id="B13">
<label>(13)</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zandin]]></surname>
<given-names><![CDATA[K. B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Maynard&#8217;s Industrial Engineering Handbook]]></source>
<year>2001</year>
<edition>Fifth</edition>
</nlm-citation>
</ref>
<ref id="B14">
<label>(14)</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Corbitt]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Standard Handbook of Environmental Engineering]]></source>
<year>1999</year>
</nlm-citation>
</ref>
<ref id="B15">
<label>(15)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Brumby]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Calvano]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Hatherell]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Mason]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Mercer-Grant]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Hogan]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Farmers&#8217; work-day noise exposure]]></article-title>
<source><![CDATA[Australian Journal of Rural Health]]></source>
<year>2015</year>
<page-range>67-73</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>(16)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ehlers]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Graydon]]></surname>
<given-names><![CDATA[P. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Noise-induced hearing loss in agriculture: Creating partnerships to overcome barriers and educate the community on prevention]]></article-title>
<source><![CDATA[Noise &amp; Health]]></source>
<year>2011</year>
<page-range>142-6</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>(17)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tomei]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Sancini]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Tomei]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Vitarelli]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Andreozzi]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Rinaldi]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Di Giorgio]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Samperi]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Fiaschet]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Tasciotti]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Cetica]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Capozzella]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ciarrocca]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Caciari]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of Systemic Arterial Hypertension, Electrocardiogram Abnormalities, and Noise-Induced Hearing Loss in Agricultural Workers]]></article-title>
<source><![CDATA[Archives of Environmental &amp; Occupational Health]]></source>
<year>2013</year>
<page-range>196-202</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>(18)</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cortés Díaz]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Seguridad e Higiene del Trabajo]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Madrid ]]></publisher-loc>
<publisher-name><![CDATA[TÉBAR]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<label>(19)</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández García]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[«Las vibraciones. Una amenaza silenciosa para su salud,» Gestión práctica de riesgos laborales]]></source>
<year>2015</year>
<page-range>7-12</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>(20)</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grimaldi]]></surname>
<given-names><![CDATA[J. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Simonds]]></surname>
<given-names><![CDATA[R. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[La seguridad industrial, su adminitración]]></source>
<year>2009</year>
<edition>16 ed</edition>
</nlm-citation>
</ref>
<ref id="B21">
<label>(21)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wolfgang]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Burgess-Limerick]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Whole-body vibration exposure of haul truck drivers at a surface coal,]]></article-title>
<source><![CDATA[Applied Ergonomics]]></source>
<year>2014</year>
<page-range>1700-4</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>(22)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caffaro]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Micheletti Cremasco]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Preti]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Cavallo]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ergonomic analysis of the effects of a telehandler&#8217;s active suspended cab on whole body vibration level and operator comfort]]></article-title>
<source><![CDATA[International Journal of Industrial Ergonomics]]></source>
<year>2016</year>
<page-range>19-26</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>(23)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Acuña Vidal]]></surname>
<given-names><![CDATA[F. d. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Dosil Caamaño]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación por estimación del riesgo de exposición a vibraciones mecánicas: Caso práctico]]></article-title>
<source><![CDATA[Gestión práctica de riesgos laborales]]></source>
<year>2015</year>
<page-range>24-31</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>(24)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Schindler]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of whole-body vibration exposure experienced by operators of a compact wheel loader according to ISO 2631-1:1997 and ISO 2631-5:2004]]></article-title>
<source><![CDATA[International Journal of Industrial Ergonomics]]></source>
<year>2014</year>
<page-range>840-50</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>(25)</label><nlm-citation citation-type="">
<collab>Health &amp; Safety Executive</collab>
<source><![CDATA[«Whole-body vibration and shock: A literature review,»]]></source>
<year>2001</year>
</nlm-citation>
</ref>
<ref id="B26">
<label>(26)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bovenzi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Pinto]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Stacchini]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Low back pain in port machinery operators]]></article-title>
<source><![CDATA[Journal of sound and vibration]]></source>
<year>2002</year>
<volume>253</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>. 3-20</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>(27)</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[K. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lis]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Nordin]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[«Association Between Sitting and Occupational Low Back Pain (LBP),» Ação Ergonômica]]></source>
<year></year>
<page-range>73-86</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>(28)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hulshof]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Verbeek]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Braam]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Bovenzi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[van Dijk]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of an occupational health intervention programme on whole-body vibration in forklift truck drivers: a controlled trial]]></article-title>
<source><![CDATA[Occupational &amp; Environmental Medicine]]></source>
<year>2006</year>
<page-range>461-8</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>(29)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Solecki]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Low back pain among farmers exposed to whole body vibration: a literature review,]]></article-title>
<source><![CDATA[Medycyna pracy]]></source>
<year>2011</year>
<page-range>187-202</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>(30)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Adam]]></surname>
<given-names><![CDATA[S. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Abdul Jalil]]></surname>
<given-names><![CDATA[N. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vertical Suspension Seat Transmissibility and SEAT Values for Seated Person Exposed to Whole-body Vibration in Agricultural Tractor Preliminary Study]]></article-title>
<source><![CDATA[Procedia Engineering]]></source>
<year>2017</year>
<page-range>435-42</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>(31)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Deboli]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Calvo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Preti]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Whole-body vibration: Measurement of horizontal and vertical]]></article-title>
<source><![CDATA[International Journal of Industrial Ergonomics]]></source>
<year>2017</year>
<page-range>69-78</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>(32)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chisholma]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bottoms]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Dwyer]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Lines]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Whyte]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Safety, health and hygiene in agriculture]]></article-title>
<source><![CDATA[Safety Science]]></source>
<year>1992</year>
<page-range>225-48</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>(33)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cecchini]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Bedini]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Mosetti]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Marino]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Stasi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Safety Knowledge and Changing Behavior in Agricultural Workers: an Assessment Model Applied in Central Italy,]]></article-title>
<source><![CDATA[Safety and Health at Work]]></source>
<year>2017</year>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>(34)</label><nlm-citation citation-type="">
<collab>ISO</collab>
<source><![CDATA[«Mechanical vibration and shock-Evaluation of exposure to whole body vibration. Part 1:General Requeriments. ISO2631-1:1997.,»]]></source>
<year>1997</year>
</nlm-citation>
</ref>
<ref id="B35">
<label>(35)</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Henao Robledo]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<source><![CDATA[Riesgos físicos I: Ruido, vibraciones y presiones anormales]]></source>
<year>2008</year>
<publisher-loc><![CDATA[Bogotá ]]></publisher-loc>
<publisher-name><![CDATA[ECOE Ediciones]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B36">
<label>(36)</label><nlm-citation citation-type="">
<collab>MTSS</collab>
<source><![CDATA[Reglamento para el Control de Ruidos y Vibraciones.]]></source>
<year>1997</year>
<publisher-loc><![CDATA[San José ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B37">
<label>(37)</label><nlm-citation citation-type="">
<collab>Vibration Injurie Network</collab>
<source><![CDATA[Guidelines and Questionnaires for Whole-Body Vibration Health Surveillance. Appendix W1A to Final Report,»]]></source>
<year>2001</year>
</nlm-citation>
</ref>
<ref id="B38">
<label>(38)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mahan]]></surname>
<given-names><![CDATA[L. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Escott-Stump]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Krause Dietoterapia, Barcelona]]></article-title>
<source><![CDATA[ELSEVIER MASSON]]></source>
<year>2009</year>
</nlm-citation>
</ref>
<ref id="B39">
<label>(39)</label><nlm-citation citation-type="journal">
<collab>International Standard Organization</collab>
<article-title xml:lang=""><![CDATA[Mechanical vibration and shock- Evaluation of exposure to whole body vibration.]]></article-title>
<source><![CDATA[Part 1: General Requirements]]></source>
<year>1997</year>
</nlm-citation>
</ref>
<ref id="B40">
<label>(40)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Scarlett]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Semple]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Price]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Stayner]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Whole-body vibration on agricultural vehicles: evaluation of emission and estimated exposure levels]]></article-title>
<source><![CDATA[Journal of terramechanics]]></source>
<year>2005</year>
<volume>44</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>65-73</page-range></nlm-citation>
</ref>
<ref id="B41">
<label>(41)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Raoufat]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Hassanian]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Vahid]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Whole-body vibrations, evaluation of emissions and exposure levels arising from a medium hp farm tractor]]></article-title>
<source><![CDATA[Tarim Makinalari Bilimi Dergisi]]></source>
<year>2011</year>
<volume>7</volume>
<numero>2</numero>
<issue>2</issue>
</nlm-citation>
</ref>
<ref id="B42">
<label>(42)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Milosavljevic]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Bergman]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Rehn]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Carman]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[All-terrein vehicule use in agriculture: Exposure to whole body vibration and mechanical shock]]></article-title>
<source><![CDATA[Applied ergonomic]]></source>
<year>2010</year>
<volume>41</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>530-5</page-range></nlm-citation>
</ref>
<ref id="B43">
<label>(43)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[BILSKI]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[AUDIBLE AND INFRASONIC NOISE LEVELS IN THE CABINS OF MODERN AGRICULTURAL TRACTORS - DOES THE RISK OF ADVERSE, EXPOSURE-DEPENDENT EFFECTS STILL EXIST?]]></article-title>
<source><![CDATA[International Journal of Occupational Medicine and Environmental Health]]></source>
<year>2013</year>
<page-range>488-93</page-range></nlm-citation>
</ref>
<ref id="B44">
<label>(44)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Daza]]></surname>
<given-names><![CDATA[C. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La obesidad: un desorden metabólico de alto riesgo para la salud,]]></article-title>
<source><![CDATA[Colombia Médica]]></source>
<year>2002</year>
<volume>33</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>72-80</page-range></nlm-citation>
</ref>
<ref id="B45">
<label>(45)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zugasti Murillo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno Esteban]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Obesidad como factor de riesgo cardiovascular]]></article-title>
<source><![CDATA[Hipertensión y riesgo vascular]]></source>
<year>2005</year>
<volume>22</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>32-6</page-range></nlm-citation>
</ref>
<ref id="B46">
<label>(46)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández Montoya]]></surname>
<given-names><![CDATA[W. l.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores de riesgo de enfermedad cardiovascular en una población obrera industrial de la provincia de Cartago]]></article-title>
<source><![CDATA[Revista Costarricense de Salud Pública]]></source>
<year>2000</year>
<volume>9</volume>
<page-range>1409-29</page-range></nlm-citation>
</ref>
<ref id="B47">
<label>(47)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Palomo G]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Icaza N]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Mujica E]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Núñez F]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Leiva M]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Vásquez R]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Alarcón L]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Moyano D]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalencia de factores de riesgo cardiovascular clásicos en población adulta de Talca, Chile, 2005]]></article-title>
<source><![CDATA[Revista médica de Chile]]></source>
<year>2007</year>
<volume>135</volume>
<page-range>904-12</page-range></nlm-citation>
</ref>
<ref id="B48">
<label>(48)</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[G. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Definición y clasificación de la obesidad.]]></article-title>
<source><![CDATA[Revista Médica Clínica Las Condes]]></source>
<year>2012</year>
<numero>2</numero>
<issue>2</issue>
<page-range>124-8</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
