Effects of Intermittent Exercise on Cardiac Troponin I and Creatine Kinase- MB

Nader Rahnama, Mohammad Faramarzi, Abass Ali Gaeini



Objectives: The aim of this study was to examine the influence of high-intensity intermittent exercise and carbohydrate supplementation on cardiac troponin I (cTnI) and creatine kinase-MB (CK-MB) in soccer players.

Methods: Twelve elite soccer players were selected and divided equally into three groups of carbohydrate (CHO), placebo (P) and control (C). Blood samples were taken in six phases and were analyzed with the chemiluminescence method.

Results: Results showed that three bouts of 90-min exercise along with carbohydrate supplementation do not have any significant effect on the level of cTnI indices. However, there was a significant difference in CK-MB values after the second and third sessions compared with the first day (P<0.05).

Conclusion: In conclusion, exercises with less duration and intensity like soccer do not seem to be effective on the markers. When the overall intensity of exercise was moderate it appeared that carbohydrate supplementation had less effect on the alteration of biochemical markers of the myocardial muscle.


Keywords: Carbohydrate supplementation, Intermittent exercise, cTnI, CK-MB

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