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    <title language="eng">Interpretation of tibio-femoral kinematics critically depends upon the kinematic analysis approach</title>
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    <title language="eng">Towards understanding knee joint laxity: Errors in non-invasive assessment of joint rotation can be corrected</title>
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    <author>Caroline Yntema</author>
    <author>Tobias Jung</author>
    <author>Ralf Doyscher</author>
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    <author>Yanlin Zhong</author>
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    <title language="eng">Muskuloskeletale Belastungen im Schafshinterlauf</title>
    <parentTitle language="eng">Materialwissenschaft und Werkstofftechnik</parentTitle>
    <author>Markus O. Heller</author>
    <author>Georg Duda</author>
    <author>Rainald Ehrig</author>
    <author>H. Schell</author>
    <author>P. Seebeck</author>
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    <title language="eng">Validation of a New Model of Human Knee Kinematics against in Vivo Data under Physiologic Neuromuscular Activation Patterns</title>
    <parentTitle language="eng">Proceedings of the 51th Annual Meeting of the Orthopedic Society</parentTitle>
    <author>Markus O. Heller</author>
    <author>G. Duda</author>
    <author>Christian König</author>
    <author>William R. Taylor</author>
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    <title language="eng">The weighted optimal common shape technique improves identification of the hip joint centre of rotation in vivo</title>
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    <author>Markus O. Heller</author>
    <author>Stefan Kratzenstein</author>
    <author>Rainald Ehrig</author>
    <author>Georgi Wassilew</author>
    <author>Georg Duda</author>
    <author>William R. Taylor</author>
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    <title language="eng">A new model to predict in vivo human knee kinematics under physiological-like muscle activation</title>
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    <author>Markus O. Heller</author>
    <author>Christian König</author>
    <author>F. Graichen</author>
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    <author>Rainald Ehrig</author>
    <author>G. Duda</author>
    <author>William R. Taylor</author>
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    <language>eng</language>
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    <issue>7</issue>
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    <title language="eng">The SCoRE residual: A quality index to assess the accuracy of joint estimations</title>
    <parentTitle language="eng">Journal of Biomechanics</parentTitle>
    <identifier type="doi">10.1016/j.jbiomech.2010.12.009</identifier>
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    <author>Rainald Ehrig</author>
    <author>Markus O. Heller</author>
    <author>Stefan Kratzenstein</author>
    <author>Georg Duda</author>
    <author>Adam Trepczynski</author>
    <author>William R. Taylor</author>
    <collection role="institutes" number="num">Numerical Mathematics</collection>
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    <issue>39</issue>
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    <title language="eng">A Survey for Formal Methods for Determining the Centre of Ball Joints</title>
    <parentTitle language="eng">Journal of Biomechanics</parentTitle>
    <author>Rainald Ehrig</author>
    <author>William R. Taylor</author>
    <author>G. Duda</author>
    <author>Markus O. Heller</author>
    <collection role="institutes" number="num">Numerical Mathematics</collection>
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    <publisherPlace>Chicago</publisherPlace>
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    <title language="eng">A New Approach for the Determination of Joint Axes</title>
    <parentTitle language="eng">Proceedings of the 52th Annual Meeting of the Orthopedic Society</parentTitle>
    <author>Rainald Ehrig</author>
    <author>William R. Taylor</author>
    <author>G. Duda</author>
    <author>Markus O. Heller</author>
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    <title language="eng">A Survey for Formal Methods for Determining Functional Joint Axes</title>
    <parentTitle language="eng">Journal of Biomechanics</parentTitle>
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    <author>Rainald Ehrig</author>
    <author>William R. Taylor</author>
    <author>Georg Duda</author>
    <author>Markus O. Heller</author>
    <collection role="institutes" number="num">Numerical Mathematics</collection>
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    <title language="eng">An imageless method to quantify the mechanical femoral-tibial angle based on the functional determination of joint centers and axes</title>
    <parentTitle language="eng">Annual meeting of the ESMAC 2009</parentTitle>
    <enrichment key="PeerReviewed">no</enrichment>
    <author>Evgenios I. Kornaropoulos</author>
    <author>William R. Taylor</author>
    <author>Georg Duda</author>
    <author>Rainald Ehrig</author>
    <author>Georg Matziolis</author>
    <author>Michael Müller</author>
    <author>Georgi Wassilew</author>
    <author>Patrick Asbach</author>
    <author>Carsten Perka</author>
    <author>Markus O. Heller</author>
    <collection role="institutes" number="num">Numerical Mathematics</collection>
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    <collection role="persons" number="ehrig">Ehrig, Rainald</collection>
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    <issue>2</issue>
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    <title language="eng">Frontal plane alignment: An imageless method to predict the mechanical femoral–tibial angle (mFTA) based on functional determination of joint centres and axes</title>
    <parentTitle language="eng">Gait &amp; Posture</parentTitle>
    <identifier type="doi">10.1016/j.gaitpost.2009.10.006</identifier>
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    <author>Evgenios I. Kornaropoulos</author>
    <author>William R. Taylor</author>
    <author>Georg Duda</author>
    <author>Rainald Ehrig</author>
    <author>Georg Matziolis</author>
    <author>Michael Müller</author>
    <author>Georgi Wassilew</author>
    <author>Patrick Asbach</author>
    <author>Carsten Perka</author>
    <author>Markus O. Heller</author>
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    <language>eng</language>
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    <publisherName/>
    <publisherPlace>London</publisherPlace>
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    <title language="eng">Reduction of the influence of skin marker artefacts using the optimal common shape technique</title>
    <parentTitle language="eng">Annual meeting of the ESMAC 2009</parentTitle>
    <enrichment key="PeerReviewed">no</enrichment>
    <author>Stefan Kratzenstein</author>
    <author>William R. Taylor</author>
    <author>Rainald Ehrig</author>
    <author>Markus O. Heller</author>
    <collection role="institutes" number="num">Numerical Mathematics</collection>
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    <collection role="persons" number="ehrig">Ehrig, Rainald</collection>
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    <language>eng</language>
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    <publisherPlace>Berlin</publisherPlace>
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    <completedDate>--</completedDate>
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    <title language="eng">Wie sind Osteosynthesesysteme und Defektzonen in vivo belastet?</title>
    <parentTitle language="eng">68. Jahrestagung der Deutschen Gesellschaft für Unfallchirurgie in Verbindung mit dem Deutschen Orthopädenkongress</parentTitle>
    <author>J.-P. Kassi</author>
    <author>William R. Taylor</author>
    <author>J. Schwarzkopf</author>
    <author>H. Schell</author>
    <author>G. Duda</author>
    <author>Rainald Ehrig</author>
    <collection role="institutes" number="num">Numerical Mathematics</collection>
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    <collection role="persons" number="ehrig">Ehrig, Rainald</collection>
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    <publisherPlace>Edinburgh</publisherPlace>
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    <title language="eng">A Quantification of Accuracy in Estimating Joint Centers</title>
    <parentTitle language="eng">17th Congress of the European Society of Biomechanics</parentTitle>
    <enrichment key="PeerReviewed">no</enrichment>
    <author>Stefan Kratzenstein</author>
    <author>Rainald Ehrig</author>
    <author>Markus O. Heller</author>
    <author>Georg Duda</author>
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    <publisherPlace>Münster</publisherPlace>
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    <title language="eng">Die Bestimmung der Genauigkeit nicht-invasiver Techniken zur Ermittlung der Hüftgelenksposition in-vivo</title>
    <parentTitle language="eng">6th annual meeting of the German Society for Biomechanics (DGfB)</parentTitle>
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    <author>Stefan Kratzenstein</author>
    <author>Markus O. Heller</author>
    <author>Rainald Ehrig</author>
    <author>Georg Duda</author>
    <author>Jörg H. Schröder</author>
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    <title language="eng">Der Vergleich von nicht-invasiven Techniken zur Bestimmung der Hüftgelenksposition</title>
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    <author>Stefan Kratzenstein</author>
    <author>Markus O. Heller</author>
    <author>Rainald Ehrig</author>
    <author>Georg Duda</author>
    <author>Jörg H. Schröder</author>
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