Initial Weekly HRV Response is Related to the Prospective Change in VO2max in Female Soccer Players

M. R. Esco, A. A. Flatt, F. Y. Nakamura

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

The aim of this study was to determine whether the early response in weekly measures of HRV, when derived from a smartphone application, were related to the eventual change in VO2max following an off-season training program in female soccer athletes. 9 female collegiate soccer players participated in an 11-week off-season conditioning program. In the week immediately before and after the training program, each participant performed a test on a treadmill to determine maximal oxygen consumption (VO2max). Daily measures of the log-transformed root mean square of successive R-R intervals (lnRMSSD) were performed by the participants throughout week 1 and week 3 of the conditioning program. The mean and coefficient of variation (CV) lnRMSSD values of week 1 showed small (r=- 0.13, p=0.74) and moderate (r=0.57, p=0.11), respectively, non-significant correlations to the change in VO2max at the end of the conditioning program (VO2max). Significant and near-perfect correlation was found between the change in the weekly mean lnRMSSD values from weeks 1 and 3 (lnRMSSDM) and VO2max (r=0.90, p=0.002). The current results have identified that the initial change in weekly mean lnRMSSD from weeks 1 to 3 of a conditioning protocol was strongly associated with the eventual adaptation of VO2max.

Original languageEnglish
Pages (from-to)436-441
Number of pages6
JournalInternational Journal of Sports Medicine
Volume37
Issue number6
DOIs
StatePublished - Jun 1 2016

Keywords

  • athlete monitoring
  • autonomic
  • female athletes
  • parasympathetic

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