The Effects of One Session of Endurance and Speed Activity on Atrial Natriuretic Peptide (ANP) and Blood Pressure in Male Athlete Students

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Mohammad Sadegh Zare, Tahereh Bagherpour, Nematollah Neamati


Recent research establishes the heart as an endocrine gland capable of lowering blood pressure effectively through the secretion of hormones such as atrial natriuretic peptide (ANP). The purpose of this study was to determine the effect of endurance and speed activity on atrial natriuretic peptide (ANP) and blood pressure levels in male athlete students in Yazd. The statistical population for the study was male students at Yazd University, from which 90 male athletes with an average age of 23.42 and at least three years of experience in sports were randomly assigned to one of three endurance, speed, or control groups. The endurance group ran 3200 meters for 12 minutes, while the speed group ran 100 meters four times with rest intervals and at a heart rate of one-third of the target heart rate. Ten minutes before and ten minutes after the activity, blood samples were taken to determine plasma ANP. One session of endurance and speed activity significantly increased plasma ANP compared to the pretest stage (p < 0.05); additionally, there was a significant difference in plasma ANP and systolic and diastolic blood pressure between the group with speed activity and the control group as well as the control group with endurance activity (p < 0.05). The results demonstrated that both endurance and speed activity performed during single session increased plasma ANP and decreased systolic and diastolic blood pressure.

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