| Influence of non-level walking on pedometer accuracy. | |
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MedLine Citation:
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PMID: 18356103 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The YAMAX Digiwalker pedometer has been previously confirmed as a valid and reliable monitor during level walking, however, little is known about its accuracy during non-level walking activities or between genders. Subsequently, this study examined the influence of non-level walking and gender on pedometer accuracy. Forty-six healthy adults completed 3-min bouts of treadmill walking at their normal walking pace during 11 inclines (0-10%) while another 123 healthy adults completed walking up and down 47 stairs. During walking, participants wore a YAMAX Digiwalker SW-700 pedometer with the number of steps taken and registered by the pedometer recorded. Pedometer difference (steps registered-steps taken), net error (% of steps taken), absolute error (absolute % of steps taken) and gender were examined by repeated measures two-way ANOVA and Tukey's post hoc tests. During incline walking, pedometer accuracy indices were similar between inclines and gender except for a significantly greater step difference (-7+/-5 steps vs. 1+/-4 steps) and net error (-2.4+/-1.8% for 9% vs. 0.4+/-1.2% for 2%). Step difference and net error were significantly greater during stair descent compared to stair ascent while absolute error was significantly greater during stair ascent compared to stair descent. The current study demonstrated that the YAMAX Digiwalker SW-700 pedometer exhibited good accuracy during incline walking up to 10% while it overestimated steps taken during stair ascent/descent with greater overestimation during stair descent. Stair walking activity should be documented in field studies as the YAMAX Digiwalker SW-700 pedometer overestimates this activity type. |
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Authors:
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Anthony S Leicht; Robert G Crowther |
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Publication Detail:
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Type: Journal Article Date: 2008-03-19 |
Journal Detail:
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Title: Journal of science and medicine in sport / Sports Medicine Australia Volume: 12 ISSN: 1440-2440 ISO Abbreviation: J Sci Med Sport Publication Date: 2009 May |
Date Detail:
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Created Date: 2009-05-05 Completed Date: 2009-08-04 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9812598 Medline TA: J Sci Med Sport Country: Australia |
Other Details:
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Languages: eng Pagination: 361-5 Citation Subset: IM |
Affiliation:
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Institute of Sport and Exercise Science, James Cook University, Australia. Anthony.Leicht@jcu.edu.au |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Analysis of Variance Ergometry / instrumentation* Female Humans Male Monitoring, Ambulatory / instrumentation* Reproducibility of Results Sex Factors Walking / physiology* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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