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Training load and baseline characteristics associated with new injury/pain within an endurance sporting population: a prospective study

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dc.contributor.author Johnston, Richard
dc.contributor.author Cahalan, Róisin Máire
dc.contributor.author Bonnett, Laura
dc.contributor.author Maguire, Matthew
dc.contributor.author Nevill, Alan
dc.contributor.author Glasgow, Philip
dc.contributor.author O'Sullivan, Kieran
dc.contributor.author Comyns, Thomas M.
dc.date.accessioned 2019-05-03T13:17:52Z
dc.date.available 2019-05-03T13:17:52Z
dc.date.issued 2018
dc.identifier.uri http://hdl.handle.net/10344/7808
dc.description peer-reviewed en_US
dc.description.abstract Purpose: To determine the association between training-load (TL) factors, baseline characteristics, and new injury and/or pain (IP) risk in an endurance sporting population (ESP). Methods: Ninety-five ESP participants from running, triathlon, swimming, cycling, and rowing disciplines initially completed a questionnaire capturing baseline characteristics. TL and IP data were submitted weekly over a 52-wk study period. Cumulative TL factors, acute:chronic workload ratios, and exponentially weighted moving averages were calculated. A shared frailty model was used to explore time to new IP and association to TL factors and baseline characteristics. Results: 92.6% of the ESP completed all 52 wk of TL and IP data. The following factors were associated with the lowest risk of a new IP episode: (a) a low to moderate 7-d lag exponentially weighted moving averages (0.8–1.3: hazard ratio [HR] = 1.21; 95% confidence interval [CI], 1.01–1.44; P = .04); (b) a low to moderate 7-d lag weekly TL (1200–1700 AU: HR = 1.38; 95% CI, 1.15–1.65; P < .001); (c) a moderate to high 14-d lag 4-weekly cumulative TL (5200–8000 AU: HR = 0.33; 95% CI, 0.21–0.50; P < .001); and (d) a low number of previous IP episodes in the preceding 12 mo (1 previous IP episode: HR = 1.11; 95% CI, 1.04–1.17; P = .04). Conclusions: To minimize new IP risk, an ESP should avoid high spikes in acute TL while maintaining moderate to high chronic TLs. A history of previous IP should be considered when prescribing TLs. The demonstration of a lag between a TL factor and its impact on new IP risk may have important implications for future ESP TL analysis. en_US
dc.language.iso eng en_US
dc.publisher Human Kinetics en_US
dc.relation.ispartofseries International Journal of Sports Physiology and Performance;14 (5), pp. 590-597
dc.relation.uri https://doi.org/10.1123/ijspp.2018-0644
dc.rights This is the author accepted manuscript en_US
dc.subject workload en_US
dc.subject risk en_US
dc.subject single-discipline and multi-discipline sports en_US
dc.title Training load and baseline characteristics associated with new injury/pain within an endurance sporting population: a prospective study en_US
dc.type info:eu-repo/semantics/article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.identifier.doi 10.1123/ijspp.2018-0644
dc.rights.accessrights info:eu-repo/semantics/openAccess en_US


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