Gender Differences in Heart Rate Variability Among Individuals Undergoing Regular Resistance Training Preliminary observations.

Objectives: Frequency-domain analysis of heart rate variability (HRV) is an effective tool to evaluate autonomic balance. This study aimed to investigate gender differences in HRV among individuals undergoing regular resistance training.

Methods: This preliminary cross-sectional study was conducted from April to September 2016 in João Pessoa, Paraíba, Brazil.