<?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>1888-7546</journal-id>
<journal-title><![CDATA[Revista Andaluza de Medicina del Deporte]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Andal Med Deporte]]></abbrev-journal-title>
<issn>1888-7546</issn>
<publisher>
<publisher-name><![CDATA[Centro Andaluz de Medicina del Deporte]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1888-75462017000100014</article-id>
<article-id pub-id-type="doi">10.1016/j.ramd.2015.05.002</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Comparison of conventional hamstring/quadriceps ratio between genders in level-matched soccer players]]></article-title>
<article-title xml:lang="es"><![CDATA[Comparación del ratio de fuerza convencional isquiotibial/cuádriceps entre jugadores de fútbol de niveles similares de ambos sexos]]></article-title>
<article-title xml:lang="pt"><![CDATA[Comparação da relação de força convencional entre isquiotibiais/quadríceps entre jogadores de futebol com níveis semelhantes, de ambos os sexos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pellicer-Chenoll]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Serra-Añó]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cabeza-Ruiz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pardo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aranda]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[L.M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Valencia Department of Physical Education and Sport ]]></institution>
<addr-line><![CDATA[Valencia ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,University of Valencia Department of Physiotherapy ]]></institution>
<addr-line><![CDATA[Valencia ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,University of Seville Department of Physical Education and Sport ]]></institution>
<addr-line><![CDATA[Seville ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Catholic University of Valencia Department of Physical Education ]]></institution>
<addr-line><![CDATA[Valencia ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<volume>10</volume>
<numero>1</numero>
<fpage>14</fpage>
<lpage>18</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1888-75462017000100014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1888-75462017000100014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1888-75462017000100014&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objectives: The main goal of our study is to compare the hamstring/quadriceps (H/Q) ratio at different knee angles between level-matched male and female soccer players and to determine whether differences in the H/Q ratio exist between the dominant and the non-dominant leg.  Methods: A cross-sectional study design was used to compare an isometric H/Q ratio and functional isokinetic ratio (between hamstring in eccentric contraction and quadriceps in concentric contraction) between males (n = 14) and females (n = 14). These ratios were studied at two different speeds of movement (60° s&#8722;1 and 180° s&#8722;1) and in five different positions (40°, 50°, 60°, 70° and 80° degrees of knee flexion).  Results: Our results showed no differences in the H/Q ratio between genders. The ratio in the dominant leg showed an average of 9% higher values. The ratios were an average of 53.4% lower in positions near flexion than in positions near extension.  Conclusions: For both men and women, the results showed lower ratios in the non-dominant leg compared to the dominant leg. At higher velocities, the force ratios were higher, while in more knee-flexed positions, the ratios were lower. Finally, we did not find differences in ratios between men and women.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivos: El objetivo principal del estudio es comparar el ratio de fuerza isquiotibial/cuádriceps (ratio H/Q) en diferentes ángulos de rodilla entre jugadores de fútbol de niveles similares y determinar si existen diferencias en dicho ratio entre la pierna dominante y la no dominante.  Métodos: Se utilizó un diseño transversal para comparar el ratio isométrico H/Q y el ratio funcional isocinético (ratio entre la fuerza durante una contracción excéntrica de isquiotibial y la fuerza durante una contracción concéntrica de cuádriceps) entre hombres (n = 14) y mujeres (n = 14). Estos ratios se estudiaron en dos velocidades (60° s&#8722;1 y 180° s&#8722;1) y en 5 posiciones diferentes (40, 50, 60, 70 y 80 grados de flexión de rodilla).  Resultados: Nuestros resultados no mostraron diferencias significativas en el ratio H/Q entre sexos. El ratio en la pierna dominante mostró valores un 9% más altos que en la pierna no dominante. Los ratios fueron de media un 53.4% más bajos en posiciones cercanas a la flexión que en posiciones cercanas a la extensión.  Conclusiones: Para ambos sexos los resultados mostraron ratios más bajos en la pierna no dominante comparado con la pierna dominante. A velocidades superiores, los ratios de fuerza fueron mayores, mientras que en posiciones de mayor flexión de rodilla los ratios fueron menores. Por último, no se encontraron diferencias significativas en los ratios entre hombres y mujeres.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Objetivos: O principal objetivo do nosso estudo é comparar a relação de força entre Isquiotibiais/Quadríceps (H/Q) em diferentes ângulos do joelho entre jogadores de futebol (masculino e feminino) de níveis semelhantes para determinar se existem diferenças na relação entre H/Q entre o membro dominante e a não-dominante.  Método: U estudo de delineamento transversal foi utilizado para comparar a relação isométrica entre H/Q e isocinética funcional (razão entre a força dos isquiotibiais em contração excêntrica e do quadríceps em contração concêntrica, durante a extensão do joelho) entre homens (n = 14) e mulheres (n = 14). Estas razões foram estudadas em duas velocidades diferentes de movimento (60°/s e 180°/s) e em cinco posições diferentes (por exemplo 40, 50, 60, 70, e 80 graus de flexão do joelho).  Resultados: Os resultados não mostraram diferenças significativas na relação H/Q entre os sexos. A relação da perna dominante mostrou valores médios de 9% mais elevados em relação a perna não dominante. As proporções foram, em média, 53,4% menor em posições próximas a flexão do que em posições perto da extensão.  Conclusões: Para ambos os sexos, os resultados mostram razões mais baixas no membro não dominante em comparação com a dominante. À velocidade mais elevadas, as relações de força foram superiores, enquanto que em maiores flexões de joelho as relações foram menores. Finalmente, não foram encontradas diferenças significativas nas proporções entre homens e mulheres.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Muscular imbalance]]></kwd>
<kwd lng="en"><![CDATA[Isokinetic strength]]></kwd>
<kwd lng="en"><![CDATA[Soccer]]></kwd>
<kwd lng="en"><![CDATA[Strength ratios]]></kwd>
<kwd lng="en"><![CDATA[Torque]]></kwd>
<kwd lng="en"><![CDATA[Injury risk]]></kwd>
<kwd lng="es"><![CDATA[Desequilibrio muscular]]></kwd>
<kwd lng="es"><![CDATA[Fuerza isocinética]]></kwd>
<kwd lng="es"><![CDATA[Fútbol]]></kwd>
<kwd lng="es"><![CDATA[Ratios de fuerza]]></kwd>
<kwd lng="es"><![CDATA[Momento de fuerza]]></kwd>
<kwd lng="es"><![CDATA[Riesgo de lesión]]></kwd>
<kwd lng="pt"><![CDATA[Desequilíbrio muscular]]></kwd>
<kwd lng="pt"><![CDATA[Força isocinética]]></kwd>
<kwd lng="pt"><![CDATA[Futebol]]></kwd>
<kwd lng="pt"><![CDATA[Relações de força]]></kwd>
<kwd lng="pt"><![CDATA[Momento de força]]></kwd>
<kwd lng="pt"><![CDATA[Risco de lesões]]></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[Kannus]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isokinetic evaluation of muscular performance: implications for muscle testing and rehabilitation]]></article-title>
<source><![CDATA[Int J Sports Med]]></source>
<year>1994</year>
<volume>15</volume>
<page-range>S11-8</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[Aagaard]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Simonsen]]></surname>
<given-names><![CDATA[EB]]></given-names>
</name>
<name>
<surname><![CDATA[Magnusson]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
<name>
<surname><![CDATA[Larsson]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Dyhre-Poulsen]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A new concept for isokinetic hamstring: quadriceps muscle strength ratio]]></article-title>
<source><![CDATA[Am J Sports Med]]></source>
<year>1998</year>
<volume>26</volume>
<page-range>231-7</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[Aagaard]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Simonsen]]></surname>
<given-names><![CDATA[EB]]></given-names>
</name>
<name>
<surname><![CDATA[Trolle]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Bangsbo]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Klausen]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isokinetic hamstring/quadriceps strength ratio: influence from joint angular velocity, gravity correction and contraction mode]]></article-title>
<source><![CDATA[Acta Physiol Scand]]></source>
<year>1995</year>
<volume>154</volume>
<page-range>421-7</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[Askling]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Karlsson]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Thorstensson]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hamstring injury occurrence in elite soccer players after preseason strength training with eccentric overload]]></article-title>
<source><![CDATA[Scand J Med Sci Sports]]></source>
<year>2003</year>
<volume>13</volume>
<page-range>244-50</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[Croisier]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Forthomme]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Namurois]]></surname>
<given-names><![CDATA[MH]]></given-names>
</name>
<name>
<surname><![CDATA[Vanderthommen]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Crielaard]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hamstring muscle strain recurrence and strength performance disorders]]></article-title>
<source><![CDATA[Am J Sports Med]]></source>
<year>2002</year>
<volume>30</volume>
<page-range>199-203</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[Ahmad]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Clark]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Heilmann]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Schoeb]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
<name>
<surname><![CDATA[Gardner]]></surname>
<given-names><![CDATA[TR]]></given-names>
</name>
<name>
<surname><![CDATA[Levine]]></surname>
<given-names><![CDATA[WN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of gender and maturity on quadriceps-to-hamstring strength ratio and anterior cruciate ligament laxity]]></article-title>
<source><![CDATA[Am J Sports Med]]></source>
<year>2006</year>
<volume>34</volume>
<page-range>370-4</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[Renstrom]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ljungqvist]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Arendt]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Beynnon]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Fukubayashi]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Garrett]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Non-contact ACL injuries in female athletes: an International Olympic Committee current concepts statement]]></article-title>
<source><![CDATA[Br J Sports Med]]></source>
<year>2008</year>
<volume>42</volume>
<page-range>394-412</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[Hewett]]></surname>
<given-names><![CDATA[TE]]></given-names>
</name>
<name>
<surname><![CDATA[Myer]]></surname>
<given-names><![CDATA[GD]]></given-names>
</name>
<name>
<surname><![CDATA[Ford]]></surname>
<given-names><![CDATA[KR]]></given-names>
</name>
<name>
<surname><![CDATA[Slauterbeck]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Preparticipation physical examination using a box drop vertical jump test in young athletes: the effects of puberty and sex]]></article-title>
<source><![CDATA[Clin J Sport Med]]></source>
<year>2006</year>
<volume>16</volume>
<page-range>298-304</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[Holm]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Vøllestad]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Significant effect of gender on hamstring-to-quadriceps strength ratio and static balance in prepubescent children from 7 to 12 years of age]]></article-title>
<source><![CDATA[Am J Sports Med]]></source>
<year>2008</year>
<volume>36</volume>
<page-range>2007-13</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[Bojsen-Møller]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Larsson]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Magnusson]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
<name>
<surname><![CDATA[Aagaard]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Yacht type and crew-specific differences in anthropometric, aerobic capacity, and muscle strength parameters among international Olympic class sailors]]></article-title>
<source><![CDATA[J Sports Sci]]></source>
<year>2007</year>
<volume>25</volume>
<page-range>1117-28</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[Kong]]></surname>
<given-names><![CDATA[PW]]></given-names>
</name>
<name>
<surname><![CDATA[Burns]]></surname>
<given-names><![CDATA[SF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bilateral difference in hamstrings to quadriceps ratio in healthy males and females]]></article-title>
<source><![CDATA[Phys Ther Sport]]></source>
<year>2010</year>
<volume>11</volume>
<page-range>12-7</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[Krishnan]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Huston]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Amendola]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[GN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quadriceps and hamstrings muscle control in athletic males and females]]></article-title>
<source><![CDATA[J Orthop Res]]></source>
<year>2008</year>
<volume>26</volume>
<page-range>800-8</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rahnama]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Lees]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bambaecichi]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparison of muscle strength and flexibility between the preferred and non-preferred leg in English soccer players]]></article-title>
<source><![CDATA[Ergonomics]]></source>
<year>2005</year>
<volume>48</volume>
<page-range>1568-75</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dörge]]></surname>
<given-names><![CDATA[HC]]></given-names>
</name>
<name>
<surname><![CDATA[Andersen]]></surname>
<given-names><![CDATA[TB]]></given-names>
</name>
<name>
<surname><![CDATA[Sørensen]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Simonsen]]></surname>
<given-names><![CDATA[EB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biomechanical differences in soccer kicking with the preferred and the non-preferred leg]]></article-title>
<source><![CDATA[J Sports Sci]]></source>
<year>2002</year>
<volume>20</volume>
<page-range>293-9</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[LE]]></given-names>
</name>
<name>
<surname><![CDATA[Weir]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[ASEP procedures recommendation I: accurate assessment of muscular strength and power]]></article-title>
<source><![CDATA[JEP Online]]></source>
<year>2001</year>
<volume>4</volume>
<page-range>1-21</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[Liu]]></surname>
<given-names><![CDATA[SH]]></given-names>
</name>
<name>
<surname><![CDATA[Al-Shaikh]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Panossian]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Nelson]]></surname>
<given-names><![CDATA[SD]]></given-names>
</name>
<name>
<surname><![CDATA[Soleiman]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Primary immunolocalization of estrogen and progesterone target cells in the human anterior cruciate ligament]]></article-title>
<source><![CDATA[J Orthop Res]]></source>
<year>1996</year>
<volume>14</volume>
<page-range>526-33</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[Aagaard]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Simonsen]]></surname>
<given-names><![CDATA[EB]]></given-names>
</name>
<name>
<surname><![CDATA[Andersen]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Magnusson]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
<name>
<surname><![CDATA[Bojsen-Møller]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Dyhre-Poulsen]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antagonist muscle coactivation during isokinetic knee extension]]></article-title>
<source><![CDATA[Scand J Med Sci Sports]]></source>
<year>2000</year>
<volume>10</volume>
<page-range>58-67</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kellis]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Baltzopoulos]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effects of antagonist moment on the resultant knee joint moment during isokinetic testing of the knee extensors]]></article-title>
<source><![CDATA[Eur J Appl Physiol]]></source>
<year>1997</year>
<volume>76</volume>
<page-range>253-9</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holcomb]]></surname>
<given-names><![CDATA[WR]]></given-names>
</name>
<name>
<surname><![CDATA[Rubley]]></surname>
<given-names><![CDATA[MD]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[HJ]]></given-names>
</name>
<name>
<surname><![CDATA[Guadagnoli]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of hamstring-emphasized resistance training on hamstring: quadriceps strength ratios]]></article-title>
<source><![CDATA[J Strength Cond Res]]></source>
<year>2007</year>
<volume>21</volume>
<page-range>41-7</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kellis]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Katis]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quantification of functional knee flexor to extensor moment ratio using isokinetics and electromyography]]></article-title>
<source><![CDATA[J Athl Train]]></source>
<year>2007</year>
<volume>42</volume>
<page-range>477-85</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
