PMID- 34868420 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20211207 IS - 1640-5544 (Print) IS - 1899-7562 (Electronic) IS - 1640-5544 (Linking) VI - 80 DP - 2021 Oct TI - Differences in Nervous Autonomic Control in Response to a Single Session of Exercise in Bodybuilders Using Anabolic Androgenic Steroids. PG - 93-101 LID - 10.2478/hukin-2021-0110 [doi] AB - Considering the role of autonomic nerve activity in blood pressure control, this study aimed to investigate the cardiac autonomic nerve responses after an aerobic exercise session in Anabolic Androgenic Steroids (AAS) users. Twenty men (AAS, n = 9; control group, n = 11) performed an aerobic exercise session (60 min, 70 to 80% of HR(max)). Heart rate variability (HRV) was assessed before and during a 60-min post-exercise recovery period. RMSSD (root mean square successive difference of the RR intervals) and the LF/HF ratio (low frequency/high frequency spectra) were also evaluated. The Student's t-test for independent samples was used to compare differences between initial group characteristics. Repeated measures ANOVA was used to compare pre- and post-exercise HRV recovery (p < 0.05). AAS had a lower SDNN (standard deviation of the intervals) (40.8 +/- 16.8 vs. 71.6 +/- 24.7 ms; p = 0.04, d = 1.4) and a higher LF/HF (3.4 +/- 2.1 vs. 1.8 +/- 0.9%; p = 0.03, d = 0.9) before exercise. AAS and controls had similar RMSSD (14.0 +/- 15.8 vs. 18.9 +/- 12.1 ms; p = 0.20) and a LF/HF (2.8 +/- 1.6 vs. 2.4 +/- 1.2 ms; p = 0.41) immediately post-exercise. The between-groups comparison revealed a higher HF/LF at 30 min (4.3 +/- 1.4 vs. 2.5 +/- 1.3%; p = 0.008, d = 1.3) and 60 min (5.0 +/- 2.2 vs. 2.3 +/- 0.8%; p = 0.001, d = 1.6) for the AAS group in the recovery time. This study demonstrated impaired parasympathetic activity at rest and immediately after the exercise session as an adverse effect of AAS usage, but similar behavior regarding the restoration of sympathetic activity. CI - (c) 2021 Jefferson Fernando Coelho Rodrigues Junior, Alexandre Sergio Silva, Glebia Alexa Cardoso, Valmir Oliveira Silvino, Acacio Salvador Veras-Silva, Fabio Yuzo Nakamura, Marcos Antonio Pereira dos Santos, published by Sciendo. FAU - Junior, Jefferson Fernando Coelho Rodrigues AU - Junior JFCR AD - Department of Biophysics and Physiology, Ministro Petronio Portella Campus, Federal University of Piaui (UFPI), Teresina, Brazil. AD - Nucleus of Study in Physiology Applied to Performance and Health (NEFADS), Federal University of Piaui (UFPI), Teresina, Brazil. FAU - Silva, Alexandre Sergio AU - Silva AS AD - Laboratory of Applied Studies in Physical Training to Performance and Health - LETFADS, Department of Physical Education, Federal University of Paraiba, Joao Pessoa, Brazil. AD - Associate Graduate Program in Physical Education - UPE / UFPB, Department of Physical Education, Federal University of Paraiba, Joao Pessoa, Brazil. FAU - Cardoso, Glebia Alexa AU - Cardoso GA AD - Laboratory of Applied Studies in Physical Training to Performance and Health - LETFADS, Department of Physical Education, Federal University of Paraiba, Joao Pessoa, Brazil. AD - Associate Graduate Program in Physical Education - UPE / UFPB, Department of Physical Education, Federal University of Paraiba, Joao Pessoa, Brazil. FAU - Silvino, Valmir Oliveira AU - Silvino VO AD - Department of Biophysics and Physiology, Ministro Petronio Portella Campus, Federal University of Piaui (UFPI), Teresina, Brazil. AD - Nucleus of Study in Physiology Applied to Performance and Health (NEFADS), Federal University of Piaui (UFPI), Teresina, Brazil. AD - Rede Nordeste de Biotecnologia (RENORBIO) post-graduation program, Federal University of Piaui (UFPI), Teresina, Brazil. FAU - Veras-Silva, Acacio Salvador AU - Veras-Silva AS AD - Department of Biophysics and Physiology, Ministro Petronio Portella Campus, Federal University of Piaui (UFPI), Teresina, Brazil. FAU - Nakamura, Fabio Yuzo AU - Nakamura FY AD - Research Center in Sports Sciences, Health Sciences and Human Development, CIDESD, University of Maia, ISMAI, Maia, Portugal. FAU - Dos Santos, Marcos Antonio Pereira AU - Dos Santos MAP AD - Department of Biophysics and Physiology, Ministro Petronio Portella Campus, Federal University of Piaui (UFPI), Teresina, Brazil. AD - Nucleus of Study in Physiology Applied to Performance and Health (NEFADS), Federal University of Piaui (UFPI), Teresina, Brazil. AD - Rede Nordeste de Biotecnologia (RENORBIO) post-graduation program, Federal University of Piaui (UFPI), Teresina, Brazil. LA - eng PT - Journal Article DEP - 20211031 PL - Poland TA - J Hum Kinet JT - Journal of human kinetics JID - 101513031 PMC - PMC8607776 OTO - NOTNLM OT - anabolic agents OT - autonomic nervous system OT - heart rate variability OT - physical exercise EDAT- 2021/12/07 06:00 MHDA- 2021/12/07 06:01 PMCR- 2021/10/31 CRDT- 2021/12/06 09:11 PHST- 2021/12/06 09:11 [entrez] PHST- 2021/12/07 06:00 [pubmed] PHST- 2021/12/07 06:01 [medline] PHST- 2021/10/31 00:00 [pmc-release] AID - hukin-2021-0110 [pii] AID - 10.2478/hukin-2021-0110 [doi] PST - epublish SO - J Hum Kinet. 2021 Oct 31;80:93-101. doi: 10.2478/hukin-2021-0110. eCollection 2021 Oct.