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dc.contributor.authorRast, Fabian-
dc.contributor.authorGraf, Eveline-
dc.contributor.authorMeichtry, André-
dc.contributor.authorKool, Jan-
dc.contributor.authorBauer, Christoph-
dc.date.accessioned2018-08-14T14:36:15Z-
dc.date.available2018-08-14T14:36:15Z-
dc.date.issued2016-03-21-
dc.identifier.issn0021-9290de_CH
dc.identifier.issn1873-2380de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/8957-
dc.description.abstractMotion capture of the trunk using three-dimensional optoelectronic systems and skin markers placed on anatomical landmarks is prone to error due to marker placement, thus decreasing between-day reliability. The influence of these errors on angular output might be reduced by using an overdetermined number of markers and optimization algorithms, or by defining the neutral position using a reference trial. The purpose of this study was to quantify and compare the between-day reliability of trunk kinematics, when using these methods. In each of two sessions, 20 subjects performed four movement tasks. Trunk kinematics were established through the plug-in-gait protocol, the point cloud optimization algorithm, and by defining upright standing as neutral position. Between-day reliability was analyzed using generalizability theory and quantified by indexes of dependability. Across all movement tasks, none of the methods was superior in terms of between-day reliability. The point cloud algorithm did not improve between-day reliability, but did result in 24.3% greater axial rotation angles. The definition of neutral position by means of a reference trial revealed 5.8% higher indexes of dependability for lateral bending and axial rotation angles, but 13.7% smaller indexes of dependability for flexion angles. Further, using a reference trial resulted in 8.3° greater trunk flexion angles. Therefore, the selection of appropriate marker placement and the corresponding calculation of angular output are dependent on the movement task and the underlying research question.de_CH
dc.language.isoende_CH
dc.publisherElsevierde_CH
dc.relation.ispartofJournal of Biomechanicsde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectKinematicsde_CH
dc.subjectMotion analysisde_CH
dc.subjectSpinede_CH
dc.subjectTorsode_CH
dc.subjectAdultde_CH
dc.subjectAlgorithmsde_CH
dc.subjectBiomechanical Phenomenade_CH
dc.subjectFemalede_CH
dc.subjectHumansde_CH
dc.subjectMalede_CH
dc.subjectMovementde_CH
dc.subjectPosturede_CH
dc.subjectReproducibility of Resultsde_CH
dc.subjectRotationde_CH
dc.subjectTorsode_CH
dc.subjectYoung Adultde_CH
dc.subject.ddc610: Medizin und Gesundheitde_CH
dc.titleBetween-day reliability of three-dimensional motion analysis of the trunk : a comparison of marker based protocolsde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementGesundheitde_CH
dc.identifier.doi10.1016/j.jbiomech.2016.02.030de_CH
dc.identifier.pmid26920506de_CH
zhaw.funding.euNode_CH
zhaw.issue5de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end811de_CH
zhaw.pages.start807de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume49de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
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Rast, F., Graf, E., Meichtry, A., Kool, J., & Bauer, C. (2016). Between-day reliability of three-dimensional motion analysis of the trunk : a comparison of marker based protocols. Journal of Biomechanics, 49(5), 807–811. https://doi.org/10.1016/j.jbiomech.2016.02.030
Rast, F. et al. (2016) ‘Between-day reliability of three-dimensional motion analysis of the trunk : a comparison of marker based protocols’, Journal of Biomechanics, 49(5), pp. 807–811. Available at: https://doi.org/10.1016/j.jbiomech.2016.02.030.
F. Rast, E. Graf, A. Meichtry, J. Kool, and C. Bauer, “Between-day reliability of three-dimensional motion analysis of the trunk : a comparison of marker based protocols,” Journal of Biomechanics, vol. 49, no. 5, pp. 807–811, Mar. 2016, doi: 10.1016/j.jbiomech.2016.02.030.
RAST, Fabian, Eveline GRAF, André MEICHTRY, Jan KOOL und Christoph BAUER, 2016. Between-day reliability of three-dimensional motion analysis of the trunk : a comparison of marker based protocols. Journal of Biomechanics. 21 März 2016. Bd. 49, Nr. 5, S. 807–811. DOI 10.1016/j.jbiomech.2016.02.030
Rast, Fabian, Eveline Graf, André Meichtry, Jan Kool, and Christoph Bauer. 2016. “Between-Day Reliability of Three-Dimensional Motion Analysis of the Trunk : A Comparison of Marker Based Protocols.” Journal of Biomechanics 49 (5): 807–11. https://doi.org/10.1016/j.jbiomech.2016.02.030.
Rast, Fabian, et al. “Between-Day Reliability of Three-Dimensional Motion Analysis of the Trunk : A Comparison of Marker Based Protocols.” Journal of Biomechanics, vol. 49, no. 5, Mar. 2016, pp. 807–11, https://doi.org/10.1016/j.jbiomech.2016.02.030.


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