Physiological response of endurance exercise as a growth hormone mediator in adolescent women’s

Author:

Sugiharto 1,Merawati Desiana1,Pranoto Adi2,Susanto Hendra3

Affiliation:

1. Department of Sport Science, Faculty of Sport Science , Universitas Negeri Malang , Malang , Indonesia

2. Doctoral Program of Medical Science, Faculty of Medicine , Universitas Airlangga , Surabaya , Indonesia

3. Department of Biology, Faculty of Mathematics and Natural Sciences , Universitas Negeri Malang , Malang , Indonesia

Abstract

Abstract Objectives Overweight status decreases the growth hormone (GH) secretion, thus, increasing the risk factors for medical complications. However, proper exercise is reported to enhance GH and affect the energy balance. Therefore, exercise is proclaimed to be an accurate and engaging therapy to increase GH in preventing overweight. This study aims to investigate the physiological response of exercise in mediating the increase of GH secretion in female adolescents. Methods 22 overweight women aged 19–20 years old, with maximal oxygen consumption of 27–35 mL/kg/min, were selected as sample size. They were divided into three groups, namely (CONT, n=7) Control, (MIEE, n=7) Moderate-intensity interval endurance exercise, and (MCEE, n=8) Moderate-intensity continuous endurance exercise. The exercise was carried out by running for 30–35 min using treadmills with an intensity of 60–70% HRmax. The blood sampling for GH examination was carried out four times before exercise, 10 min, 6 h, and 24 h after exercise. The enzyme-linked immunosorbent assay (ELISA) was used to measure the GH and IGF-1 levels. The data analysis was carried out using a one-way ANOVA test, with a significance level of 5%. Results The results of the one-Way ANOVA test suggested a significantly different average GH and IGF-1 before and after the exercise between the three groups (CON, MIEE, and MCEE) (p≤0.05). Conclusions MCEE increases the GH and IGF-1 levels more considerably than MIEE. Therefore, exercise is a mediator to increase GH and IGF-1 secretion in overweight individuals. Exercise could be a viable therapy for overweight people.

Publisher

Walter de Gruyter GmbH

Subject

Drug Discovery,Pharmacology,General Medicine,Physiology

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