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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Change in performance in response to training load adjustment based on autonomic activity
International Journal of Sports Medicine, Volume 35, No. 6, Year 2014
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Description
The primary aim of this study was to assess performance (Perf) changes in response to a new training strategy. Specifically, based on spectral analysis of heart rate variability (SA HRV) to determine autonomic nervous system (ANS) activity, training doses were adjusted to maintain vagal activity at a high and relatively stable level during training preparation. Trained athletes (5 male and 5 female) aged 23.2±4.2 years voluntarily participated in the study. ANS activity was assessed during an orthoclinostatic test, and was represented by calculating HRV variables and a total score index. Over 17 weeks, improvement (1.4-8.5%) and deterioration (0.1-8.8%) in Perf were detected in 7 and 3 athletes, respectively. A relationship (rs=0.684; P<0.05) between the change in Perf (ΔPerf) and supine PHF during season was found. Supine HRV indices (PHF, PT, and MSSD) for the last 3 weeks of the HRV-adjusting period correlated (rs=0.636; 0.648; 0.648, P<0.05) with ΔPerf. Based on the results, a high and relative stable vagal activity during preparation may indicate a readiness to train or appropriate recovery that positively affects Perf. In conclusion, daily quantification of ANS activity by SA HRV seems to be a promising tool for the enhancement of Perf. © Georg Thieme Verlag KG Stuttgart · New York.
Authors & Co-Authors
Botek, Michal
Czech Republic, Olomouc
Univerzita Palackého V Olomouci
McKune, Andrew J.
South Africa, Durban
University of Kwazulu-natal
Krejčí, Jakub
Czech Republic, Olomouc
Univerzita Palackého V Olomouci
Stejskal, P.
Czech Republic, Olomouc
Univerzita Palackého V Olomouci
Gába, Aleš
Czech Republic, Olomouc
Univerzita Palackého V Olomouci
Statistics
Citations: 49
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.1055/s-0033-1354385
ISSN:
01724622
e-ISSN:
14393964
Participants Gender
Male
Female