Journal article
Autonomic Recovery Is Delayed in Chinese Compared with Caucasian following Treadmill Exercise
PloS one, Vol.11(1), p.e0147104
01/19/2016
DOI: 10.1371/journal.pone.0147104
PMCID: PMC4718672
PMID: 26784109
Abstract
Caucasian populations have a higher prevalence of cardiovascular disease (CVD) when compared with their Chinese counterparts and CVD is associated with autonomic function. It is unknown whether autonomic function during exercise recovery differs between Caucasians and Chinese. The present study investigated autonomic recovery following an acute bout of treadmill exercise in healthy Caucasians and Chinese. Sixty-two participants (30 Caucasian and 32 Chinese, 50% male) performed an acute bout of treadmill exercise at 70% of heart rate reserve. Heart rate variability (HRV) and baroreflex sensitivity (BRS) were obtained during 5-min epochs at pre-exercise, 30-min, and 60-min post-exercise. HRV was assessed using frequency [natural logarithm of high (LnHF) and low frequency (LnLF) powers, normalized high (nHF) and low frequency (nLF) powers, and LF/HF ratio] and time domains [Root mean square of successive differences (RMSSD), natural logarithm of RMSSD (LnRMSSD) and R-R interval (RRI)]. Spontaneous BRS included both up-up and down-down sequences. At pre-exercise, no group differences were observed for any HR, HRV and BRS parameters. During exercise recovery, significant race-by-time interactions were observed for LnHF, nHF, nLF, LF/HF, LnRMSSD, RRI, HR, and BRS (up-up). The declines in LnHF, nHF, RMSSD, RRI and BRS (up-up) and the increases in LF/HF, nLF and HR were blunted in Chinese when compared to Caucasians from pre-exercise to 30-min to 60-min post-exercise. Chinese exhibited delayed autonomic recovery following an acute bout of treadmill exercise. This delayed autonomic recovery may result from greater sympathetic dominance and extended vagal withdrawal in Chinese.
Details
- Title: Subtitle
- Autonomic Recovery Is Delayed in Chinese Compared with Caucasian following Treadmill Exercise
- Creators
- Peng Sun - East China Normal UniversityHuimin Yan - University of Illinois Urbana-ChampaignSushant M. Ranadive - University of Illinois Urbana-ChampaignAbbi D. Lane - University of Illinois Urbana-ChampaignRebecca M. Kappus - University of Illinois Urbana-ChampaignKanokwan Bunsawat - University of Illinois Urbana-ChampaignTracy Baynard - University of Illinois Urbana-ChampaignMin Hu - Guangdong University of EducationShichang Li - East China Normal UniversityBo Fernhall - University of Illinois Urbana-Champaign
- Resource Type
- Journal article
- Publication Details
- PloS one, Vol.11(1), p.e0147104
- DOI
- 10.1371/journal.pone.0147104
- PMID
- 26784109
- PMCID
- PMC4718672
- NLM abbreviation
- PLoS One
- ISSN
- 1932-6203
- eISSN
- 1932-6203
- Publisher
- Public Library Science
- Number of pages
- 13
- Grant note
- 1R01HL093249-01A1 / National Institute of Health; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA
- Language
- English
- Date published
- 01/19/2016
- Academic Unit
- Health, Sport, and Human Physiology
- Record Identifier
- 9984948142002771
Metrics
5 Record Views