The effect of repeated bouts of eccentric exercise on some of Biochemical markers of delayed onset muscle soreness
Objectives: The purpose of study was to the investigate effect of repeated bouts of eccentric muscle exercise on some of biochemical markers (Total cholesterol and Creatine Kinase ) of delayed onset muscle soreness.
Methods: thirty college males (with mean age of 21.2±3.8 years, body mass Index of 22.5±1.4 Kg) were selected and divided into two groups randomly. Both groups performed five sets (10 repetitions per set) of the eccentric contractions, at 85% of one repetition maximum
(1- RM), experimental group repeated this exercise 48h later.
Creatine kinase and Total cholesterol were recorded before and after 24, 48, 72, 96(hr) after eccentric contractions.
Results: The repeated bout of eccentric exercise do not show any effects on cholesterol , Creatine kinase values in experimental group(p>0.05).
Conclusion: The results of this study suggest that the repeated bout of eccentric exercise produces an adaptation such that the muscle is more resistant to damage from a subsequent bout of exercise.
Keywords: Eccentric exercise, Delayed onset muscle soreness, Total cholesterol and Creatine
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