Document Type : Research Paper
Authors
1 Msc student of Exercise Physiology, Department of Sport Sciences, Faculty of Sport Sciences, Allameh Tabataba'i University, Tehran, Iran.
2 Professor of Exercise Physiology, Department of Exercise Physiology, Faculty of Sport Sciences, Allameh Tabataba'i University, Tehran, Iran
3 Associate Professor of Exercise Physiology, Department of Sport Sciences, Faculty of Sport Sciences, Allameh Tabataba'i University, Tehran, Iran.
Abstract
Purpose: The aim of this study was to investigate the acute effects of HIFT exercise, on creatine kinase (CK) and lactate dehydrogenase (LDH) in blood serum in overweight adult men. Method: Twenty-two untrained non-smoker overweight men (age, 42.9 ± 5.6 years; body mass, 94.2 ± 9.3 kg; body height, 178.9 ± 4.5 cm; and BMI, 29.04 ± 3.3 kg/m2) volunteered to participate in this study and performed a session of HIFT exercise with 80-85% HRmax consisting of three sets of 10 exercises. Blood samples were collected before and immediately after training to measure serum CK and LDH levels. Results: The HIFT protocol significantly increased serum CK (Pre: 114.6 U/L; Post: 124.3U/L; p< 0.05{t=-5.48, p=0.001}); Also, LDH had a significant increase (pre:213.4 U/L, post: 225.4U/L; p<0.05{t=-4.09, p=0.001}). Conclusion: It can be concluded that HIFT with AMRAP (as many repeats as possible) protocol will lead to a significant increase in some indicators of muscle damage such as CK and LDH levels in overweight men. This protocol can lead to muscle damage in overweight men.
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