Parasympathetic reactivation after maximal CPET depends on exercise modality and resting vagal activity in healthy men

SpringerPlus
F A CunhaPaulo Farinatti

Abstract

The main purpose of this study was to investigate parasympathetic reactivation of the heart [evaluated through heart rate recovery (HRR) and HR variability (HRV)] after maximal cardiopulmonary exercise testing (CPET) using three different exercise modalities. Twenty healthy men, aged 17 to 28 yr, performed three maximal CPETs (cycling, walking, and running) separated by 72 h and in a randomized, counter-balanced order. HRR was determined from the absolute differences between HRpeak and HR at 1-3 min after exercise. The root mean square of successive R-R differences calculated for consecutive 30-s windows (rMSSD30s) was calculated to assess the parasympathetic reactivation after maximal CPET. Lower HRpeak, VO2peak and energy expenditure were observed after the cycling CPET than the walking and running CPETs (P < 0.001). Both HRR and rMSSD30s were significantly greater during recovery from the cycling CPET compared to the walking and running CPETs (P < 0.001). Furthermore, Δ rMSSD (i.e. resting minus postexercise rMSSD every 30 s into the recovery period) was positively related to the resting high-frequency component (HF), rMSSD, and standard deviation of all normal R-R intervals (SDNN) (rs = 0.89 to 0.98; P < 0.001), and negativ...Continue Reading

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Citations

Jun 16, 2016·Brain Injury : [BI]·Michal Katz-LeurerShirley Meyer
Aug 12, 2016·Journal of Physical Therapy Science·Elizângela Márcia de Carvalho AbreuMário Oliveira Lima
Jun 1, 2017·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Scott MichaelGlen M Davis
Apr 19, 2018·European Journal of Sport Science·Lucas Rosiello TrojbiczRômulo Bertuzzi
Aug 12, 2016·Clinical Autonomic Research : Official Journal of the Clinical Autonomic Research Society·Guilherme Eckhardt MolinaLuiz Fernando Junqueira
Jul 28, 2018·European Journal of Applied Physiology·Alessandro FornasieroBarbara Pellegrini

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Software Mentioned

Polar Precision Performance
Matlab
SPSS Statistics

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