<?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>1578-2549</journal-id>
<journal-title><![CDATA[Archivos de Prevención de Riesgos Laborales]]></journal-title>
<abbrev-journal-title><![CDATA[Arch Prev Riesgos Labor]]></abbrev-journal-title>
<issn>1578-2549</issn>
<publisher>
<publisher-name><![CDATA[Societat Catalana de Salut Laboral y Asociación de Medicina del Trabajo de la Comunidad Valenciana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1578-25492020000200010</article-id>
<article-id pub-id-type="doi">10.12961/aprl.2020.23.02.10</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Revisión sistemática y metaanálisis de técnicas que previenen el dolor lumbar]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevention of low back pain. A systematic review &amp; meta-analysis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carey]]></surname>
<given-names><![CDATA[Paul]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Texas Health Science Center at Houstonh Southwest Center for Occupational &amp; Environmental Health]]></institution>
<addr-line><![CDATA[Houston Texas]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>23</volume>
<numero>2</numero>
<fpage>277</fpage>
<lpage>281</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1578-25492020000200010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1578-25492020000200010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1578-25492020000200010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este trabajo es un comentario del artículo: Steffens D, Maher CG, Pereira LSM, et al. Prevention of Low Back Pain: A Systematic Review and Meta-analysis. JAMA Intern Med. 2016;176(2):199-208. doi:10.1001/jamainternmed.2015.7431.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This text is a commentary on the article: Steffens D, Maher CG, Pereira LSM, et al. Prevention of Low Back Pain: A Systematic Review and Meta-analysis. JAMA Intern Med. 2016;176(2):199-208. doi:10.1001/jamainternmed.2015.7431.]]></p></abstract>
</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[Wood]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Egger]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gluud]]></surname>
<given-names><![CDATA[LL]]></given-names>
</name>
<name>
<surname><![CDATA[Schulz]]></surname>
<given-names><![CDATA[KF]]></given-names>
</name>
<name>
<surname><![CDATA[Jüni]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Altman]]></surname>
<given-names><![CDATA[DG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Empirical evidence of bias in treatment effect estimates in controlled trials with different interventions and outcomes: meta-epidemiological study]]></article-title>
<source><![CDATA[BMJ]]></source>
<year>2008</year>
<volume>336</volume>
<page-range>601-5</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[Atkins]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Eccles]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Flottorp]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Guyatt]]></surname>
<given-names><![CDATA[GH]]></given-names>
</name>
<name>
<surname><![CDATA[Henry]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Hill]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Systems for grading the quality of evidence and the strength of recommendations I: Critical appraisal of existing approaches The GRADE Working Group]]></article-title>
<source><![CDATA[BMC Health Serv Res]]></source>
<year>2004</year>
<volume>4</volume>
<edition>edición electronica</edition>
<page-range>38</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[Mikolajewicz]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Komarova]]></surname>
<given-names><![CDATA[SV]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Meta-Analytic Methodology for Basic Research: A Practical Guide]]></article-title>
<source><![CDATA[Front Physiol]]></source>
<year>2019</year>
<volume>10</volume>
<edition>edición electronica</edition>
<page-range>203</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[Steffens]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Maher]]></surname>
<given-names><![CDATA[CG]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[LSM]]></given-names>
</name>
<name>
<surname><![CDATA[Stevens]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[VC]]></given-names>
</name>
<name>
<surname><![CDATA[Chapple]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevention of Low Back Pain: A Systematic Review and Meta-analysis]]></article-title>
<source><![CDATA[JAMA Intern Med]]></source>
<year>2016</year>
<volume>176</volume>
<page-range>199-208</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Helewa]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Goldsmith]]></surname>
<given-names><![CDATA[CH]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Smythe]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Forwell]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Does strengthening the abdominal muscles prevent low back pain - a randomized controlled trial]]></article-title>
<source><![CDATA[J Rheumatol]]></source>
<year>1999</year>
<volume>26</volume>
<page-range>1808-15</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[Sihawong]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Janwantanakul]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Jiamjarasrangsi]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A prospective, cluster-randomized controlled trial of exercise program to prevent low back pain in office workers]]></article-title>
<source><![CDATA[Eur Spine J]]></source>
<year>2014</year>
<volume>23</volume>
<page-range>786-93</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[Warming]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Ebbehøj]]></surname>
<given-names><![CDATA[NE]]></given-names>
</name>
<name>
<surname><![CDATA[Wiese]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Larsen]]></surname>
<given-names><![CDATA[LH]]></given-names>
</name>
<name>
<surname><![CDATA[Duckert]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Tønnesen]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Little effect of transfer technique instruction and physical fitness training in reducing low back pain among nurses a cluster randomised intervention study]]></article-title>
<source><![CDATA[Ergonomics]]></source>
<year>2008</year>
<volume>5</volume>
<page-range>1530-48</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[Mathes]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Kuss]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparison of methods for meta-analysis of a small number of studies with binary outcomes]]></article-title>
<source><![CDATA[Res Syn Meth]]></source>
<year>2018</year>
<volume>9</volume>
<page-range>366-81</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[Melsen]]></surname>
<given-names><![CDATA[WG]]></given-names>
</name>
<name>
<surname><![CDATA[Bootsma]]></surname>
<given-names><![CDATA[MCJ]]></given-names>
</name>
<name>
<surname><![CDATA[Rovers]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Bonten]]></surname>
<given-names><![CDATA[MJM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effects of clinical and statistical heterogeneity on the predictive values of results from meta-analyses]]></article-title>
<source><![CDATA[Clinical Microbiology and Infection]]></source>
<year>2014</year>
<volume>20</volume>
<page-range>123-9</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[Egger]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Jüni]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Bartlett]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Holenstein]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Sterne]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[How important are comprehensive literature searches and the assessment of trial quality in systematic reviews? Empirical study]]></article-title>
<source><![CDATA[Health Technol Assess (Rockv)]]></source>
<year>2003</year>
<volume>7</volume>
<page-range>1-76</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
