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dc.contributor.authorBauer, Christoph-
dc.contributor.authorRast, F.M.-
dc.contributor.authorErnst, M.J.-
dc.contributor.authorMeichtry, André-
dc.contributor.authorKool, J.-
dc.contributor.authorRissanen, S.M.-
dc.contributor.authorSuni, J.H.-
dc.contributor.authorKankaanpää, M.-
dc.date.accessioned2018-11-01T09:20:20Z-
dc.date.available2018-11-01T09:20:20Z-
dc.date.issued2017-
dc.identifier.issn1050-6411de_CH
dc.identifier.issn1873-5711de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/12385-
dc.description.abstractIntroduction Changes in movement variability and complexity may reflect an adaptation strategy to fatigue. One unresolved question is whether this adaptation is hampered by the presence of low back pain (LBP). This study investigated if changes in movement variability and complexity after fatigue are influenced by the presence of LBP. It is hypothesised that pain free people and people suffering from LBP differ in their response to fatigue. Methods The effect of an isometric endurance test on lumbar movement was tested in 27 pain free participants and 59 participants suffering from LBP. Movement variability and complexity were quantified with %determinism and sample entropy of lumbar angular displacement and velocity. Generalized linear models were fitted for each outcome. Bayesian estimation of the group-fatigue effect with 95% highest posterior density intervals (95%HPDI) was performed. Results After fatiguing %determinism decreased and sample entropy increased in the pain free group, compared to the LBP group. The corresponding group-fatigue effects were 3.7 (95%HPDI: 2.3–7.1) and −1.4 (95%HPDI: −2.7 to −0.1). These effects manifested in angular velocity, but not in angular displacement. Discussion The effects indicate that pain free participants showed more complex and less predictable lumbar movement with a lower degree of structure in its variability following fatigue while participants suffering from LBP did not. This may be physiological responses to avoid overload of fatigued tissue, increase endurance, or a consequence of reduced movement control caused by fatigue.de_CH
dc.language.isoende_CH
dc.publisherElsevierde_CH
dc.relation.ispartofJournal of Electromyography and Kinesiologyde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectFatiguede_CH
dc.subjectLow back painde_CH
dc.subjectMovement disordersde_CH
dc.subjectAdultde_CH
dc.subjectAgedde_CH
dc.subjectBiomechanical Phenomenade_CH
dc.subjectFemalede_CH
dc.subjectHumansde_CH
dc.subjectLow Back Painde_CH
dc.subjectLumbosacral Regionde_CH
dc.subjectMiddle Agedde_CH
dc.subjectMusclede_CH
dc.subjectMovementde_CH
dc.subjectMuscle Fatiguede_CH
dc.subjectSkeletalde_CH
dc.subject.ddc616.7: Krankheiten des Bewegungsapparates und Orthopädiede_CH
dc.titleThe effect of muscle fatigue and low back pain on lumbar movement variability and complexityde_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.jelekin.2017.02.003de_CH
dc.identifier.pmid28226298de_CH
zhaw.funding.euNode_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end102de_CH
zhaw.pages.start94de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume33de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
Appears in Collections:Publikationen Gesundheit

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