Are mechanics different between male and female runners with patellofemoral pain?
Identifieur interne : 001854 ( Pmc/Checkpoint ); précédent : 001853; suivant : 001855Are mechanics different between male and female runners with patellofemoral pain?
Auteurs : Richard W. Willy [États-Unis] ; Kurt T. Manal [États-Unis] ; Erik E. Witvrouw [Belgique] ; Irene S. Davis [États-Unis]Source :
- Medicine and science in sports and exercise [ 0195-9131 ] ; 2012.
Abstract
Patellofemoral pain (PFP) has often been attributed to abnormal hip and knee mechanics in females. To date, there have been few investigations of the hip and knee mechanics of males with PFP. The purpose of this study was to compare the lower extremity mechanics and alignment of male runners with PFP with healthy male runners and female runners with PFP. We hypothesized that males with PFP would move with greater varus knee mechanics compared with male controls and compared with females with PFP. Further, it was hypothesized that males with PFP would demonstrate greater varus alignment.
A gait and single leg squat analysis was conducted on each group (18 runners per group). Measurement of each runner’s tibial mechanical axis was also recorded. Motion data were processed using Visual 3D (CMotion, Bethesda, Md., USA). Analyses of Variance were used to analyze the data.
Males with PFP ran and squatted in greater peak knee adduction and demonstrated greater peak knee external adduction moment compared with healthy male controls. In addition, males with PFP ran and squatted with less peak hip adduction and greater peak knee adduction compared with females with PFP. The static measure of mechanical axis of the tibial was not different between groups. However, a post-hoc analysis revealed that males with PFP ran with greater peak tibial segmental adduction.
Males with PFP demonstrated different mechanics during running and during a single leg squat compared with females with PFP and with healthy males. Based upon the results of this study, therapies for PFP may need to be sex-specific.
Url:
DOI: 10.1249/MSS.0b013e3182629215
PubMed: 22843103
PubMed Central: 3475738
Affiliations:
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Manal</name><affiliation wicri:level="2"><nlm:aff id="A2">Center for Biomedical Engineering Research, Department of Mechanical Engineering, University of Delaware, Newark, Delaware, USA</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Center for Biomedical Engineering Research, Department of Mechanical Engineering, University of Delaware, Newark, Delaware</wicri:regionArea><placeName><region type="state">Delaware</region></placeName></affiliation></author><author><name sortKey="Witvrouw, Erik E" sort="Witvrouw, Erik E" uniqKey="Witvrouw E" first="Erik E." last="Witvrouw">Erik E. Witvrouw</name><affiliation wicri:level="1"><nlm:aff id="A3">Ghent University, Ghent, Belgium</nlm:aff><country xml:lang="fr">Belgique</country><wicri:regionArea>Ghent University, Ghent</wicri:regionArea><wicri:noRegion>Ghent</wicri:noRegion></affiliation></author><author><name sortKey="Davis, Irene S" sort="Davis, Irene S" uniqKey="Davis I" first="Irene S." last="Davis">Irene S. Davis</name><affiliation wicri:level="2"><nlm:aff id="A4">Spaulding National Running Center, Harvard Medical School, Cambridge, MA, USA</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Spaulding National Running Center, Harvard Medical School, Cambridge, MA</wicri:regionArea><placeName><region type="state">Massachusetts</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">22843103</idno><idno type="pmc">3475738</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3475738</idno><idno type="RBID">PMC:3475738</idno><idno type="doi">10.1249/MSS.0b013e3182629215</idno><date when="2012">2012</date><idno type="wicri:Area/Pmc/Corpus">001961</idno><idno type="wicri:Area/Pmc/Curation">001961</idno><idno type="wicri:Area/Pmc/Checkpoint">001854</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Are mechanics different between male and female runners with patellofemoral pain?</title><author><name sortKey="Willy, Richard W" sort="Willy, Richard W" uniqKey="Willy R" first="Richard W." last="Willy">Richard W. Willy</name><affiliation wicri:level="2"><nlm:aff id="A1">Division of Physical Therapy, Ohio University, Athens, OH, USA</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Division of Physical Therapy, Ohio University, Athens, OH</wicri:regionArea><placeName><region type="state">Ohio</region></placeName></affiliation></author><author><name sortKey="Manal, Kurt T" sort="Manal, Kurt T" uniqKey="Manal K" first="Kurt T." last="Manal">Kurt T. Manal</name><affiliation wicri:level="2"><nlm:aff id="A2">Center for Biomedical Engineering Research, Department of Mechanical Engineering, University of Delaware, Newark, Delaware, USA</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Center for Biomedical Engineering Research, Department of Mechanical Engineering, University of Delaware, Newark, Delaware</wicri:regionArea><placeName><region type="state">Delaware</region></placeName></affiliation></author><author><name sortKey="Witvrouw, Erik E" sort="Witvrouw, Erik E" uniqKey="Witvrouw E" first="Erik E." last="Witvrouw">Erik E. Witvrouw</name><affiliation wicri:level="1"><nlm:aff id="A3">Ghent University, Ghent, Belgium</nlm:aff><country xml:lang="fr">Belgique</country><wicri:regionArea>Ghent University, Ghent</wicri:regionArea><wicri:noRegion>Ghent</wicri:noRegion></affiliation></author><author><name sortKey="Davis, Irene S" sort="Davis, Irene S" uniqKey="Davis I" first="Irene S." last="Davis">Irene S. Davis</name><affiliation wicri:level="2"><nlm:aff id="A4">Spaulding National Running Center, Harvard Medical School, Cambridge, MA, USA</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Spaulding National Running Center, Harvard Medical School, Cambridge, MA</wicri:regionArea><placeName><region type="state">Massachusetts</region></placeName></affiliation></author></analytic><series><title level="j">Medicine and science in sports and exercise</title><idno type="ISSN">0195-9131</idno><idno type="eISSN">1530-0315</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec id="S1"><title>Introduction</title><p id="P1">Patellofemoral pain (PFP) has often been attributed to abnormal hip and knee mechanics in females. To date, there have been few investigations of the hip and knee mechanics of males with PFP. The purpose of this study was to compare the lower extremity mechanics and alignment of male runners with PFP with healthy male runners and female runners with PFP. We hypothesized that males with PFP would move with greater varus knee mechanics compared with male controls and compared with females with PFP. Further, it was hypothesized that males with PFP would demonstrate greater varus alignment.</p></sec><sec id="S2"><title>Methods</title><p id="P2">A gait and single leg squat analysis was conducted on each group (18 runners per group). Measurement of each runner’s tibial mechanical axis was also recorded. Motion data were processed using Visual 3D (CMotion, Bethesda, Md., USA). Analyses of Variance were used to analyze the data.</p></sec><sec id="S3"><title>Results</title><p id="P3">Males with PFP ran and squatted in greater peak knee adduction and demonstrated greater peak knee external adduction moment compared with healthy male controls. In addition, males with PFP ran and squatted with less peak hip adduction and greater peak knee adduction compared with females with PFP. The static measure of mechanical axis of the tibial was not different between groups. However, a post-hoc analysis revealed that males with PFP ran with greater peak tibial segmental adduction.</p></sec><sec id="S4"><title>Conclusion</title><p id="P4">Males with PFP demonstrated different mechanics during running and during a single leg squat compared with females with PFP and with healthy males. Based upon the results of this study, therapies for PFP may need to be sex-specific.</p></sec></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<pmc-dir>properties manuscript</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-journal-id">8005433</journal-id><journal-id journal-id-type="pubmed-jr-id">5723</journal-id><journal-id journal-id-type="nlm-ta">Med Sci Sports Exerc</journal-id><journal-id journal-id-type="iso-abbrev">Med Sci Sports Exerc</journal-id><journal-title-group><journal-title>Medicine and science in sports and exercise</journal-title></journal-title-group><issn pub-type="ppub">0195-9131</issn><issn pub-type="epub">1530-0315</issn></journal-meta><article-meta><article-id pub-id-type="pmid">22843103</article-id><article-id pub-id-type="pmc">3475738</article-id><article-id pub-id-type="doi">10.1249/MSS.0b013e3182629215</article-id><article-id pub-id-type="manuscript">NIHMS391083</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Are mechanics different between male and female runners with patellofemoral pain?</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Willy</surname><given-names>Richard W.</given-names></name><degrees>PT, PhD</degrees><xref ref-type="aff" rid="A1">1</xref><xref ref-type="corresp" rid="cor1">*</xref></contrib><contrib contrib-type="author"><name><surname>Manal</surname><given-names>Kurt T.</given-names></name><degrees>PhD</degrees><xref ref-type="aff" rid="A2">2</xref></contrib><contrib contrib-type="author"><name><surname>Witvrouw</surname><given-names>Erik E.</given-names></name><degrees>PT, PhD</degrees><xref ref-type="aff" rid="A3">3</xref></contrib><contrib contrib-type="author"><name><surname>Davis</surname><given-names>Irene S.</given-names></name><degrees>PT, PhD</degrees><xref ref-type="aff" rid="A4">4</xref></contrib></contrib-group><aff id="A1"><label>1</label>Division of Physical Therapy, Ohio University, Athens, OH, USA</aff><aff id="A2"><label>2</label>Center for Biomedical Engineering Research, Department of Mechanical Engineering, University of Delaware, Newark, Delaware, USA</aff><aff id="A3"><label>3</label>Ghent University, Ghent, Belgium</aff><aff id="A4"><label>4</label>Spaulding National Running Center, Harvard Medical School, Cambridge, MA, USA</aff><author-notes><corresp id="cor1"><bold>Corresponding Author:</bold> Richard Willy, PT, PhD, W273 Grover Center,Division of Physical Therapy, Ohio University, Athens, Ohio 45701 USA, <email>willyr@ohio.edu</email>, Telephone: (740) 593-1209, Fax: (740) 593-0293</corresp></author-notes><pub-date pub-type="nihms-submitted"><day>26</day><month>7</month><year>2012</year></pub-date><pub-date pub-type="ppub"><month>11</month><year>2012</year></pub-date><pub-date pub-type="pmc-release"><day>01</day><month>11</month><year>2013</year></pub-date><volume>44</volume><issue>11</issue><fpage>2165</fpage><lpage>2171</lpage><abstract><sec id="S1"><title>Introduction</title><p id="P1">Patellofemoral pain (PFP) has often been attributed to abnormal hip and knee mechanics in females. To date, there have been few investigations of the hip and knee mechanics of males with PFP. The purpose of this study was to compare the lower extremity mechanics and alignment of male runners with PFP with healthy male runners and female runners with PFP. We hypothesized that males with PFP would move with greater varus knee mechanics compared with male controls and compared with females with PFP. Further, it was hypothesized that males with PFP would demonstrate greater varus alignment.</p></sec><sec id="S2"><title>Methods</title><p id="P2">A gait and single leg squat analysis was conducted on each group (18 runners per group). Measurement of each runner’s tibial mechanical axis was also recorded. Motion data were processed using Visual 3D (CMotion, Bethesda, Md., USA). Analyses of Variance were used to analyze the data.</p></sec><sec id="S3"><title>Results</title><p id="P3">Males with PFP ran and squatted in greater peak knee adduction and demonstrated greater peak knee external adduction moment compared with healthy male controls. In addition, males with PFP ran and squatted with less peak hip adduction and greater peak knee adduction compared with females with PFP. The static measure of mechanical axis of the tibial was not different between groups. However, a post-hoc analysis revealed that males with PFP ran with greater peak tibial segmental adduction.</p></sec><sec id="S4"><title>Conclusion</title><p id="P4">Males with PFP demonstrated different mechanics during running and during a single leg squat compared with females with PFP and with healthy males. Based upon the results of this study, therapies for PFP may need to be sex-specific.</p></sec></abstract><kwd-group><kwd>Patellofemoral Pain</kwd><kwd>Running</kwd><kwd>Biomechanics</kwd><kwd>Sex Differences</kwd></kwd-group><funding-group><award-group><funding-source country="United States">National Center for Research Resources : NCRR</funding-source><award-id>S10 RR022396 || RR</award-id></award-group></funding-group></article-meta></front></pmc><affiliations><list><country><li>Belgique</li><li>États-Unis</li></country><region><li>Delaware</li><li>Massachusetts</li><li>Ohio</li></region></list><tree><country name="États-Unis"><region name="Ohio"><name sortKey="Willy, Richard W" sort="Willy, Richard W" uniqKey="Willy R" first="Richard W." last="Willy">Richard W. Willy</name></region><name sortKey="Davis, Irene S" sort="Davis, Irene S" uniqKey="Davis I" first="Irene S." last="Davis">Irene S. Davis</name><name sortKey="Manal, Kurt T" sort="Manal, Kurt T" uniqKey="Manal K" first="Kurt T." last="Manal">Kurt T. Manal</name></country><country name="Belgique"><noRegion><name sortKey="Witvrouw, Erik E" sort="Witvrouw, Erik E" uniqKey="Witvrouw E" first="Erik E." last="Witvrouw">Erik E. Witvrouw</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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