Increase in body weight over a two-year period is associated with an increase in midfoot pressure and foot pain

dc.contributor.authorWalsh, Tom P
dc.contributor.authorButterworth, Paul
dc.contributor.authorUrquhart, Donna M
dc.contributor.authorCicuttini, F
dc.contributor.authorLandorf, Karl B
dc.contributor.authorWluka, Anita E
dc.contributor.authorShanahan, Ernst Michael
dc.contributor.authorMenz, H
dc.date.accessioned2017-08-18T00:57:55Z
dc.date.available2017-08-18T00:57:55Z
dc.date.issued2017-07-25
dc.descriptionThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.en
dc.description.abstractBackground There is a well-recognised relationship between body weight, plantar pressures and foot pain, but the temporal association between these factors is unknown. The aim of this study was to investigate the relationships between increasing weight, plantar pressures and foot pain over a two-year period. Methods Fifty-one participants (33 women and 18 men) completed the two-year longitudinal cohort study. The sample had a mean (standard deviation (SD)) age of 52.6 (8.5) years. At baseline and follow-up, participants completed the Manchester Foot Pain and Disability Index questionnaire, and underwent anthropometric measures, including body weight, body mass index, and dynamic plantar pressures. Within-group analyses examined differences in body weight, foot pain and plantar pressures between baseline and follow up, and multivariate regression analysis examined associations between change in body weight, foot pain and plantar pressure. Path analysis assessed the total impact of both the direct and indirect effects of change in body weight on plantar pressure and pain variables. Results Mean (SD) body weight increased from 80.3 (19.3), to 82.3 (20.6) kg, p = 0.016 from baseline to follow up. The change in body weight ranged from −16.1 to 12.7 kg. The heel was the only site to exhibit increased peak plantar pressures between baseline and follow up. After adjustment for age, gender and change in contact time (where appropriate), there were significant associations between: (i) change in body weight and changes in midfoot plantar pressure (B = 4.648, p = 0.038) and functional limitation (B = 0.409, p = 0.010), (ii) plantar pressure change in the heel and both functional limitation (B = 4.054, p = 0.013) and pain intensity (B = 1.831, p = 0.006), (iii) plantar pressure change in the midfoot and both functional limitation (B = 4.505, p = 0.018) and pain intensity (B = 1.913, p = 0.015). Path analysis indicated that the effect of increasing body weight on foot-related functional limitation and foot pain intensity may be mediated by increased plantar pressure in the midfoot. Conclusions These findings suggest that as body weight and plantar pressure increase, foot pain increases, and that the midfoot may be the most vulnerable site for pressure-related pain.en
dc.identifier.citationWalsh, T. P., Butterworth, P. A., Urquhart, D. M., Cicuttini, F. M., Landorf, K. B., Wluka, A. E., … Menz, H. B. (2017). Increase in body weight over a two-year period is associated with an increase in midfoot pressure and foot pain. Journal of Foot and Ankle Research, 10(1). https://doi.org/10.1186/s13047-017-0214-5en
dc.identifier.doihttps://doi.org/10.1186/s13047-017-0214-5en
dc.identifier.issn1757-1146
dc.identifier.urihttp://hdl.handle.net/2328/37422
dc.language.isoen
dc.oaire.license.condition.licenseCC-BY
dc.publisherBioMed Centralen
dc.relationhttp://purl.org/au-research/grants/nhmrc/384233en
dc.relationhttp://purl.org/au-research/grants/nhmrc/1063574en
dc.relationhttp://purl.org/au-research/grants/nhmrc/1011975en
dc.relationhttp://purl.org/au-research/grants/nhmrc/1020925en
dc.relation.grantnumberNHMRC/384233en
dc.relation.grantnumberNHMRC/1063574en
dc.relation.grantnumberNHMRC/1011975en
dc.relation.grantnumberNHMRC/1020925en
dc.rights© The Author(s). 2017en
dc.rights.holderThe Author(s).en
dc.subjectFooten
dc.subjectpain,en
dc.subjectObesityen
dc.subjectkinematicsen
dc.titleIncrease in body weight over a two-year period is associated with an increase in midfoot pressure and foot painen
dc.typeArticleen
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