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Run Clever - No difference in risk of injury when comparing progression in running volume and running intensity in recreational runners: A randomised trial.


ABSTRACT: Background/aim:The Run Clever trial investigated if there was a difference in injury occurrence across two running schedules, focusing on progression in volume of running intensity (Sch-I) or in total running volume (Sch-V). It was hypothesised that 15% more runners with a focus on progression in volume of running intensity would sustain an injury compared with runners with a focus on progression in total running volume. Methods:Healthy recreational runners were included and randomly allocated to Sch-I or Sch-V. In the first eight weeks of the 24-week follow-up, all participants (n=839) followed the same running schedule (preconditioning). Participants (n=447) not censored during the first eight?weeks entered the 16-week training period with a focus on either progression in intensity (Sch-I) or volume (Sch-V). A global positioning system collected all data on running. During running, all participants received real-time, individualised feedback on running intensity and running volume. The primary outcome was running-related injury (RRI). Results:After preconditioning a total of 80 runners sustained an RRI (Sch-I n=36/Sch-V n=44). The cumulative incidence proportion (CIP) in Sch-V (reference group) were CIP2 weeks 4.6%; CIP4 weeks 8.2%; CIP8 weeks 13.2%; CIP16 weeks 28.0%. The risk differences (RD) and 95%?CI between the two schedules were RD2 weeks=2.9%(-5.7% to 11.6%); RD4 weeks=1.8%(-9.1% to 12.8%); RD8 weeks=-4.7%(-17.5% to 8.1%); RD16 weeks=-14.0% (-36.9% to 8.9%). Conclusion:A similar proportion of runners sustained injuries in the two running schedules.

PROVIDER: S-EPMC5841490 | BioStudies |

REPOSITORIES: biostudies

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