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dc.contributor.authorJakovljevic B.-
dc.contributor.authorNikolic Turnic T.-
dc.contributor.authorJeremić N.-
dc.contributor.authorSavic M.-
dc.contributor.authorJeremic, Jovana-
dc.contributor.authorSrejovic I.-
dc.contributor.authorBelic, Branislav-
dc.contributor.authorPonorac N.-
dc.contributor.authorJakovljevic V.-
dc.contributor.authorZivkovic V.-
dc.description.abstract© 2019, Published by NRC Research Press. This study aimed to assess the impact of high-intensity interval training (HIIT) vs. moderate-intensity continuous training (MIT) on cardiodynamic parameters in isolated rat heart. Wistar albino rats were randomly assigned to groups according to running protocol: sedentary control, MIT, and HIIT; spontaneous hypertensive rat (SHR) sedentary control, SHR + MIT, and SHR + HIIT. HIIT groups performed the running in 5 sprints × 45–55 m/min for 30–90 s, with 2 min of rest after each sprint, while MIT groups performed the running of 10–15 m/min for 1 h with 3 min of rest every 100 m; both protocols were implemented 5 days/week over 4 weeks with 1 week of adaptation before protocols started. Isolated rat hearts were perfused according to Langendorff technique at gradually increased coronary perfusion pressures (40–120 cmH2O). Using a sensor placed in the left ventricle, we registered maximum and minimum rate of pressure development in the left ventricle, systolic and diastolic left ventricular pressure, and heart rate. Coronary flow was measured flowmetrically. MIT was connected with cardiac depression in normotensive conditions, while HIIT leads to cardiac depression in hypertensive rats. HIIT induced more significant increase of contractile and relaxation parameters of the isolated rat heart, especially in hypertensive animals.-
dc.sourceCanadian Journal of Physiology and Pharmacology-
dc.titleThe impact of high-intensity interval training and moderate-intensity continuous training regimes on cardiodynamic parameters in isolated heart of normotensive and hypertensive rats-
Appears in Collections:Faculty of Medical Sciences, Kragujevac

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