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Języki publikacji
Abstrakty
This study aimed to investigate the acute effect of skydiving and the chronic effect of parachute jump training on the cardiac response in novice and trained parachuters. The study included 11 experienced skydivers (expert group), aged 35.9 ± 7.2 years, and 12 students (novice group), aged 27.9 ± 7.2 years. Participants underwent 10-unit training in accelerated freefall (AFF) from an altitude of 4000 m. In experts, the highest HR was noted during the phase of opening of the parachute and during the landing phase, and in pre-training novices during the phase of exit from the plane and the descent by parachute. Mean standard deviation of NN intervals (SDNN) was higher in experts than pre-training novices. In novices, post-training values of SDNN, root mean square of successive differences (RMSSD), and the low/high frequency oscillation ratio (LF/HF) were higher, and HF and LF were lower, than pre-training values. In experts the values of SDNN, RMSSD, LF, HF, and total power spectrum (TP) were significantly higher and LF/HF significantly lower than in pre-training novices. Novice compared to experienced skydivers are characterized by higher modulation of the sympathetic, and lower modulation of the parasympathetic autonomic nervous system (ANS). Chronic effects of 10-unit AFF training are characterized by decreased modulation of the sympathetic nervous system, increased total power spectrum of HRV, and increased activity of the parasympathetic nervous system. The changes in ANS modulation suggest that parachute training leads to a reduction of the stress response and improves autonomic control of cardiovascular function in novice skydivers.
Wydawca
Czasopismo
Rocznik
Tom
Strony
181--189
Opis fizyczny
Bibliogr. 40 poz., tab., wykr.
Twórcy
autor
- Department of Physiology and Sport Medicine, Faculty of Physical Education, Józef Piłsudski University of Physical Education in Warsaw, Poland
autor
- Department of Physiology and Sport Medicine, Faculty of Physical Education, Józef Piłsudski University of Physical Education in Warsaw, Poland
autor
- Department of Statistics and Information Technology, Faculty of Physical Education, Józef Piłsudski University of Physical Education in Warsaw, Poland
autor
- Faculty of Medicine, University of Information Technology and Management in Rzeszow, ul. Sucharskiego 2, 35-225 Rzeszów, Poland
autor
- Technical Department of Aeromedical Research and Flight Simulators, Military Institute of Aviation Medicine, Warsaw, Poland
autor
- Aviation Bioengineering Department, Military Institute of Aviation
Bibliografia
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Uwagi
PL
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-57bf6bc7-9cff-4bb2-b4e6-0ffdfdbbca4f