ABSTRACT PERCEIVED MUSCLE SORENESS IN FEMALE RUNNERS D. Burnett?, K. Smith?, S. Burns?, C. Smeltzer*, K. Young?. Health and Human Performance. University of Central Missouri, Warrensburg, Mo; email: db@summitrehabkc.com Purpose: The purpose of this study was to determine if rating of perceived exertion correlated with perceived muscle soreness during delayed onset muscle soreness (DOMS) in female runners. This study examined the pre and post running economy measures and perceived muscle soreness before and after a 30 minute downhill run (DHR) at - 15% grade and 70% of the subjects predetermined maximum oxygen uptake (VO2 peak). Methods: Six female recreational runners (mean age = 24.5) performed level running at 65%, 75%, and 85% of their VO2 peak prior to DHR (baseline economy runs), as well as, immediately following and 4 successive days after the DHR. Results: Subjective response related to perceived muscle soreness increased significantly from a mean of 2 (pre DHR) to 62 (2 days post DHR) on a scale of 1-100. Creatine kinase levels and oxygen consumption increased post DHR compared to pre DHR. Rating of perceived exertion did not change between the economy runs performed prior to or at any point after the DHR. Conclusion: Perceived muscle soreness is a better tool than the RPE scale to monitor exercise intensity for recreational female runners during periods of DOMS and running economy is adversely affected by DOMS.
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