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   Autonomic nervous activity and lipid oxidation postexercise with capsaicin in the humans  
   
نویسنده shin k.o. ,yeo n.h. ,kang s.
منبع journal of sports science and medicine - 2010 - دوره : 9 - شماره : 2 - صفحه:253 -261
چکیده    This study evaluated the synergistic effects of acute exercise with capsaicin (200mg) upon the restoration of cardiac autonomic functions and depolarization-repolarization interval as well as substrate oxidation. nine healthy males [21.9(0.8) yrs] volunteered for this study. cardiac autonomic activity,metabolic responses,and the ecg qt intervals were continuously measured during 5 min at rest and postexercise recovery after 30 min exercise at 50% vo2max on a stationary ergometer with placebo (econ) or capsaicin intake (ecap),and no exercise control (ncon) were randomized. results indicated that the hf power reflecting parasympathetic activity significantly returned to the baseline much faster during ecap than econ trial during postexercise [122.1 (23.2) vs. 60.2 (11.7) %,p < 0.05]. the ecap trial significantly decreased rq [0.79(0.02) vs. 0.85 (0.03),p < 0.05] with significantly greater fat oxidation [69.3 (6.0) vs. 49.4 (10.8) %,p < 0.05] in comparison to ncon trial during 120 min postexercise recovery without any adverse effects on cardiac electrical stability as determined by trigger-averaged ecg qt interval analyses. we suggest that capsaicin before the exercise may contribute to the improvement of cardio-protective functions and metabolic responses as one of the beneficial supplements accelerating faster restoration of autonomic activity and enhanced lipolysis during postexercise recovery without any adverse effects on cardiac electrical stability. © journal of sports science and medicine.
کلیدواژه Autonomic nervous system; Cardiac depolarization-repolarization interval; Heart rate variability power spectral analysis; Lipolysis; Post-exercise recovery
آدرس department of physical education,college of sport sciences,dong-a university,saha-gu, South Korea, department of physical education,college of sport sciences,dong-a university,saha-gu, South Korea, department of physical education,college of sport sciences,dong-a university,saha-gu, South Korea
 
     
   
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