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dc.contributorDepartment of Biomedical Engineering-
dc.contributorChinese Mainland Affairs Office-
dc.creatorChen, TLW-
dc.creatorWong, DWC-
dc.creatorWang, Y-
dc.creatorTan, Q-
dc.creatorLam, WK-
dc.creatorZhang, M-
dc.rights© 2020 Published by Elsevier B.V. on behalf of Shanghai University of Sport. This is an open access article under the CC BY-NC-ND license(
dc.rightsThe following publication Tony Lin-Wei Chen et al., Changes in segment coordination variability and the impacts of the lower limb across running mileages in half marathons:Implications for running injuries, Journal of Sport and Health Science (2020) is available at
dc.subjectCoupling angleen_US
dc.subjectEndurance runningen_US
dc.subjectMotion capture analysisen_US
dc.subjectMusculoskeletal modelingen_US
dc.subjectVector coding techniqueen_US
dc.titleChanges in segment coordination variability and the impacts of the lower limb across running mileages in half marathons : implications for running injuriesen_US
dc.typeJournal/Magazine Articleen_US
dcterms.abstractBackground: Segment coordination variability (CV) is a movement pattern associated with running-related injuries. It can also be adversely affected by a prolonged run. However, research on this topic is currently limited. The purpose of this study was to investigate the effects of a prolonged run on segment CV and vertical loading rates during a treadmill half marathon.-
dcterms.abstractMethods: Fifteen healthy runners ran a half marathon on an instrumental treadmill in a biomechanical laboratory. Synchronized kinematic and kinetic data were collected every 2 km (from 2 km until 20 km), and the data were processed by musculoskeletal modeling. Segment CVs were computed from the angle-angle plots of selected pelvis-thigh, thigh-shank, and shank-rearfoot couplings using a modified vector coding technique. The loading rate of vertical ground reaction force was also calculated. A one-way MANOVA with repeated measures was performed on each of the outcome variables to examine the main effect of running mileage.-
dcterms.abstractResults: Significant effects of running mileage were found on segment CVs (p = 0.004–0.010) but not on loading rate (p = 0.881). Notably, during the early stance phase, the CV of pelvis frontal vs. thigh frontal was significantly increased at 20 km compared with the CV at 8 km (g = 0.59, p = 0.022). The CV of shank transverse vs. rearfoot frontal decreased from 2 km to 8 km (g = 0.30, p = 0.020) but then significantly increased at both 18 km (g = 0.05, p < 0.001) and 20 km (g = 0.36, p < 0.001).-
dcterms.abstractConclusion: At the early stance, runners maintained stable CVs on the sagittal plane, which could explain the unchanged loading rate throughout the half marathon. However, increased CVs on the frontal/transverse plane may be an early sign of fatigue and indicative of possible injury risk. Further studies are necessary for conclusive statements in this regard.-
dcterms.accessRightsopen access-
dcterms.bibliographicCitationJournal of sport and health science, In Press, Corrected Proof, Available online 28 September 2020, p. 1-8,
dcterms.isPartOfJournal of sport and health science-
dc.description.validate202103 bcrc-
dc.description.oaVersion of Record-
dc.description.fundingTextRGC: PolyU152065/17E-
dc.description.fundingTextOthers: NSFC (11732015)-
dc.description.pubStatusEarly release-
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