Background:There is controversial evidence regarding the effect of acute resistance exercise(ARE)on heart rate variability(HRV)parameters,which indicates the activities of the cardiac autonomic nervous system.The aim of this study was to perform a systematic review and meta-analysis of the literature on the effect of ARE on HRV parameters and identify its possible moderating factors.Methods:The PubMed-Medline,Web of Science,SPORTDiscus,and Cochrane Library databases were searched.The Preferred Reporting Items for Systematic Reviews and Meta-Analyses(PRISMA)declaration was followed,and the methodological quality of the studies was evaluated.The level of significance was set at p≤0.05.Twenty-six studies met the inclusion criteria.Main effect analyses between pre-and post-test interventions demon-strated an increase in normalized units low frequency(p＜0.001;standardized mean difference(SMD)=0.78;95％confidence interval(95％CI):0.46-1.11)and low frequency/high frequency ratio(p＜0.001;SMD=0.82;95％CI:0.64-0.99)and a decrease in standard deviation of the normal-to-normal(NN)interval(p＜0.001;SMD=-0.58;95％CI:-0.85 to-0.30),root mean square of the successive differences(p＜0.001;SMD=-1.01;95％CI:-1.29 to-0.74),and normalized units high frequency(p＜0.001;SMD:-1.08;95％CI:-1.43 to-0.73)following ARE in healthy individuals range:15±1 to 48±2 years;mean±SD).Results:There were differences between the subgroups in the number of sets used in an exercise(p=0.05)for root mean square of the successive differences,as well as for exercise intensity(p=0.01)and rest between sets(p=0.05)for normalized units high frequency.Interestingly,there were differences between the subgroups in training volume for root mean square of the successive differences(p=0.01),normalized units high frequency(p=0.003)and normalized units low frequency(p=0.02).Conclusion:Overall,there was a withdrawal of cardiac parasympathetic and activation of cardiac sympathetic modulations following ARE,and these changes were greater with higher training volume～30 min after ARE in healthy individuals.Furthermore,the number of sets,intensity,and rest between sets affected HRV parameters.However,gender,body mass index,and training status did not influence the changes in HRV parameters as a response to ARE.

Sajith U.Marasingha-Arachchige;Jacobo á.Rubio-Arias;Pedro E.Alcaraz;Linda H.Chung

UCAM Research Center for High Performance Sport,Catholic University of Murcia,Murcia 30107,Spain;LFE Research Group,Department of Health and Human Performance,Faculty of Physical Activity and Sport Science-INEF,Universidad Politécnica de Madrid,Madrid 28040,Spain;Faculty of Sport,Catholic University of Murcia,Murcia 30107,Spain

运动与健康科学（英文）

[1]Sajith U.Marasingha-Arachchige;Jacobo á.Rubio-Arias;Pedro E.Alcaraz;Linda H.Chung-.Factors that affect heart rate variability following acute resistance exercise:A systematic review and meta-analysis)[J].运动与健康科学（英文）,2022(03):376-392

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