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CURRENT ISSUETHE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS

A Journal on Applied Physiology, Biomechanics, Preventive Medicine,
Sports Medicine and Traumatology, Sports Psychology

Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,111

Frequency: Monthly

ISSN 0022-4707

Online ISSN 1827-1928

 

The Journal of Sports Medicine and Physical Fitness 2015 May;55(5):495-505

CARDIOLOGY 

    ORIGINAL ARTICLES

Cardiac autonomic regulation after continuous and intermittent maximal exercise interventions

Cipryan L., Vala R.

Ostrava University, Human Motion Diagnostic Centre, Ostrava, Czech Republic

AIM: The aim of this study was to assess relationships between cardiac autonomic regulation after exercise and different types of single-bout exercise of a maximal intensity and of a similar duration.
METHODS: The study group consisted of 30 males (23±2 year old), which was separated into three subgroups. Groups A and B performed exercise interventions (continuous or intermittent), while group C represented the control group. Heart rate variability (HRV) was monitored continuously over 30 min after the exercise and consequently during a 6 h period following intervention. Spectral analysis parameters of HRV (total [PT], low- [PLF], high- [PHF] frequency power, LF/HF, and PLF in normalized units [LFnu]) were determined over 5 min intervals. Heart rate recovery (HRR) was also analysed.
RESULTS: There were not significant differences between groups A and B for the entire HRV monitoring (P<0.05) or in the relatively expressed HRR. The cardiac autonomic modulation expressed by PT, PLF, and PHF fully recovered in 120 min after exercise, whereas LF/HF and LFnu did not significantly differ (P<0.05) from the control group 60 min earlier.
CONCLUSION: Cardiac autonomic recovery after all-out exercise is type non-dependent and sympathovagal balance restores faster than the absolute HRV magnitude.

language: English


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