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dc.contributor.authorMeichtry, André-
dc.contributor.authorRomkes, Jacqueline-
dc.contributor.authorGobelet, Charles-
dc.contributor.authorBrunner, Roland-
dc.contributor.authorMüller, Roland-
dc.date.accessioned2018-10-29T15:57:52Z-
dc.date.available2018-10-29T15:57:52Z-
dc.date.issued2007-
dc.identifier.issn0966-6362de_CH
dc.identifier.issn1879-2219de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/12318-
dc.description.abstractEvaluative quantification of gait disorder minimizing time-consuming and cost-intensive laboratory installations remains a challenging task in movement analysis. We examined the criterion validity of global gait mechanics assessed by trunk accelerometry. Eight female and four male volunteer subjects (mean age, 27.5 years; S.D., 5.1 years; weight, 68.7 ± 11.3 kg; height, 1.74 ± 0.08 m) without gait dysfunction participated in the study. They walked barefoot over two adjacent force-platforms at self-selected speeds. In addition to ground reaction forces, vertical, anterior–posterior and medio-lateral accelerations of the trunk were simultaneously measured by means of a light tri-axial accelerometer. Mean acceleration cycles of the trunk and the body centre of mass were calculated. Acceleration vectors were integrated twice to obtain velocity and displacement vectors of the trunk and the centre of mass, respectively. Temporal boundaries of right and left functional stance phases were defined by the two intermediate moments between maximum anterior–posterior velocity and minimal vertical displacement. Cross-correlations of the kinematics of the trunk and the centre of mass were determined. External work and corresponding symmetry indicators were computed for both methods. Centre of mass anterior–posterior displacement lagged behind the trunk by 3.5% of the gait cycle. External power correlated highly (r > 0.82) between the trunk model and the centre of mass. Work correlated moderately high (r = 0.77) between the two methods. Work and power asymmetry indexes correlated moderately high (r > 0.64). Our findings suggest that accelerometry has the potential to assess functional kinematics and energy-related outcomes in large cohorts.de_CH
dc.language.isoende_CH
dc.publisherElsevierde_CH
dc.relation.ispartofGait & Posturede_CH
dc.rightsLicence according to publishing contractde_CH
dc.subject.ddc615.82: Physiotherapiede_CH
dc.titleCriterion validity of 3D trunk accelerations to assess external work and power in able-bodied gaitde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementGesundheitde_CH
zhaw.organisationalunitInstitut für Physiotherapie (IPT)de_CH
dc.identifier.doi10.1016/j.gaitpost.2005.12.016de_CH
zhaw.funding.euNode_CH
zhaw.issue1de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end32de_CH
zhaw.pages.start25de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume25de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
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Meichtry, A., Romkes, J., Gobelet, C., Brunner, R., & Müller, R. (2007). Criterion validity of 3D trunk accelerations to assess external work and power in able-bodied gait. Gait & Posture, 25(1), 25–32. https://doi.org/10.1016/j.gaitpost.2005.12.016
Meichtry, A. et al. (2007) ‘Criterion validity of 3D trunk accelerations to assess external work and power in able-bodied gait’, Gait & Posture, 25(1), pp. 25–32. Available at: https://doi.org/10.1016/j.gaitpost.2005.12.016.
A. Meichtry, J. Romkes, C. Gobelet, R. Brunner, and R. Müller, “Criterion validity of 3D trunk accelerations to assess external work and power in able-bodied gait,” Gait & Posture, vol. 25, no. 1, pp. 25–32, 2007, doi: 10.1016/j.gaitpost.2005.12.016.
MEICHTRY, André, Jacqueline ROMKES, Charles GOBELET, Roland BRUNNER und Roland MÜLLER, 2007. Criterion validity of 3D trunk accelerations to assess external work and power in able-bodied gait. Gait & Posture. 2007. Bd. 25, Nr. 1, S. 25–32. DOI 10.1016/j.gaitpost.2005.12.016
Meichtry, André, Jacqueline Romkes, Charles Gobelet, Roland Brunner, and Roland Müller. 2007. “Criterion Validity of 3D Trunk Accelerations to Assess External Work and Power in Able-Bodied Gait.” Gait & Posture 25 (1): 25–32. https://doi.org/10.1016/j.gaitpost.2005.12.016.
Meichtry, André, et al. “Criterion Validity of 3D Trunk Accelerations to Assess External Work and Power in Able-Bodied Gait.” Gait & Posture, vol. 25, no. 1, 2007, pp. 25–32, https://doi.org/10.1016/j.gaitpost.2005.12.016.


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