The Effect of an Indoor Cycling Session on Heart Rate Variability in Triathletes

• Published in: Journal of exercise physiology online Vol. 22; no. 4; p. 112
• Main Authors: Lass, Andre D, Farah, Leonardo, Bassan, Julio C, Krause, Maressa P
• Format: Journal Article
• Language: English
• Published: Duluth American Society of Exercise Physiologists 01-08-2019
• Subjects: Advertising executives; Athletes; Heart rate; Neurophysiology; Political activity; Political aspects; Time; Triathlon; Brazil
• ISSN: 1097-9751; 1097-9751

Lass AD, Farah L, Bassan JC, Krause MP. The Effect of an Indoor Cycling Session on Heart Rate Variability in Triathletes. JEPonline 2019;22(4):112-119. The purpose of this study was to analyze the use of heart rate variability (HRV) as a feedback mechanism for performance through load training control. Seven male amateur elite triathlon athletes of national and international level (age, 42.0 [+ or -] 4.0 yrs; weight, 79.5 [+ or -] 11.6 kg; height, 177.0 [+ or -] 8.0 cm) had their time domain HRV readings taken immediately prior and after an indoor cycling training session as part of their normal training routine. The descriptive data are shown as mean [+ or -] standard deviation while inferential analysis was made by t test (P<0.05). Mean values before (PRE) and after (POST) the cycling session were, respectively: MEANRR 1018.55 ms ([+ or -] 135.80 ms) and 822.52 ms ([+ or -] 93.12 ms; [DELTA]8.0%), SDNN 60.22 ms ([+ or -] 21.75 ms) and 50.57 ms ([+ or -] 15.80 ms; [DELTA]8.3%), MEANHR 60.06 ms ([+ or -] 8.05 ms) and 74.0 ms ([+ or -] 8.09 ms; [DELTA]12.3%), RMSSD 54.07 ms ([+ or -] 33.39 ms) and 45.84 ms ([+ or -] 14.66 ms; [DELTA]8.4%), and pNN50 27.44 ms ([+ or -] 21.78 ms) and 13.14 ms ([+ or -] 12.31 ms; [DELTA]4.7%). SDNN and RMSSD parameters changed significantly, thus indicating that an indoor cycling session triggered sufficient stress to alter HRV in its time domain. Key Words: Heart rate variability, Training load control, Triathlon