EFFECTS OF A SINGLE SESSION CIRCUIT-RESISTANCE EXERCISE AT DIFFERENT INTENSITIES ON OREXIGENIC PEPTIDES/PROTEINS NPY AND GHRELIN IN HEALTHY MALE STUDENTS

Kordi, M.R and Ghanbari Niaki, A and Fallahi, A.A and Abbasi, A.R (2015) EFFECTS OF A SINGLE SESSION CIRCUIT-RESISTANCE EXERCISE AT DIFFERENT INTENSITIES ON OREXIGENIC PEPTIDES/PROTEINS NPY AND GHRELIN IN HEALTHY MALE STUDENTS. The Journal of Urmia University of Medical Sciences, 26 (3). pp. 243-251.

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Abstract

The effect of exercise on appetite regulating peptides is an important issue that can help to find solutions for prevention and treatment of obesity. Also, there is not much information about it. Therefore, the purpose of this study was to evaluate the effects of a single session circuitresistance exercise in difference intensities 40, 60, and 80% of 1 repeated maximum (1RM), on orexigenic peptides/proteins NPY and ghrelin in healthy malestudent. Materials & Methods: Twenty seven male student with mean and standard deviation age (21.40±1.78), height (1.72±0.045), weight (68.85±5.39) and BMI (22.99±1.11) were selected and randomly divided into 3 resistance exercise groups with intensity of 40% (n=9), 60% (n=9) and 80%(n=9) 1RM. Resistance circuit exercise program include trunk extension, skate 90 degree, bench press, knee extension, upper press, biceps with halter, sit up, tree ceps with halter, dead lift, rowing. Then ANOVA and Pair t-test were used for analyzing the data in SPSS. Results: Analysis of data showed, acute circuit exercise with difference intensity had a incremental effect on ghrelin and NPY but there was not any significant differences between three intensities (ghrelin, p=0.96 and, NPY, p= 0.531). Also, within group effect of acute circuit exercise with intensity of 60% and 80% have significant effects on ghrelin (p= 0.009) NPY (p=0.002), respectively Conclusion: Our study suggests that there is not any significant difference between effects of different intensity acute circuit exercise on ghrelin and NPY but it was more significant with increasing intensity of incremental effects of circuit exercise

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