Background: Since the physiological and physical factors of the body may change due to wrestling, in this study, the effect of strenuous exercise was investigated in different age groups of wrestlers.
Methods: This semi-experimental study was conducted on 21 wrestling champions of Golestan province in three age groups, including teenagers, young adults, and adults (7 people in each age group), using the availability sampling method. They performed strenuous exercise on a treadmill at a speed of 6 km per hour until exhaustion, and their biochemical and physical factors were measured before and after running.
Results: According to the results obtained from the research, although the heart rate of adult wrestlers was lower than that of teenagers and young adults before and after the activity and the concentration of LDH and La was higher, based on the findings, intra-group and inter-group changes in anthropometric variables and HR (Heart rate), La (Blood lactate) and LDH (Lactate dehydrogenase) were not statistically significant in all three groups (p≤0.05).
Conclusion: The heart rate decreased with the increase in the age group, which may be due to long-term training adaptation. Also, the LDH concentration increased with the age group of the wrestlers, which may be due to the high number of fast-twitch fibers and the muscularity of this age group, although there was no significant difference between the indicators of the present research among the three groups.
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