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Effect of time of day on the vertical spinal creep response

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dc.contributor.authorPuntumetakul, R.
dc.contributor.authorTrott, P.
dc.contributor.authorWilliams, M.
dc.contributor.authorFulton, I.
dc.date.issued2009
dc.description.abstractVertical spinal creep (VSC) is height loss during sustained postures over a set period of time. While total stature has been demonstrated to decrease throughout the day, whether a diurnal effect applies to the VSC response has not been reported. The aim of this study was to investigate whether time of day had an effect on the magnitude of the VSC response in young subjects asymptomatic for musculoskeletal pathologies.The VSC response was recorded over 25 min while subjects remained seated on the stadiometer, at three times (morning, midday and afternoon) on the same day, in 48 asymptomatic volunteers aged 20–39 years.While no significant differences were calculated for the magnitude of the VSC responses on the three occasions of testing, differences in magnitude of VSC response may have been confounded by preloading activities.Where magnitude of the VSC response is the primary outcome measure, measurement protocols should control preloading activities and continue to conduct measurements at the same time of day, until further studies conclusively refute the existence of a diurnal effect.
dc.identifier.citationApplied Ergonomics, 2009; 40(1):33-38
dc.identifier.doi10.1016/j.apergo.2008.01.016
dc.identifier.issn0003-6870
dc.identifier.issn1872-9126
dc.identifier.orcidWilliams, M. [0000-0002-0473-5157]
dc.identifier.urihttps://hdl.handle.net/1959.8/115240
dc.language.isoen
dc.publisherElsevier
dc.rightsCopyright 2008 Elsevier
dc.source.urihttps://doi.org/10.1016/j.apergo.2008.01.016
dc.subjectbiomechanics
dc.subjectspinal
dc.titleEffect of time of day on the vertical spinal creep response
dc.typeJournal article
pubs.publication-statusPublished
ror.mmsid9915910875701831

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