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Journal : Competitor : Jurnal Pendidikan Kepelatihan Olahraga

Expression of Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1α Increases After 8-Weeks of Endurance Training in Obese Females Arya Dwi Prastickho; Desiana Merawati; Sugiharto Sugiharto
COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga Vol 15, No 2 (2023): June
Publisher : UNIVERSITAS NEGERI MAKASSAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/cjpko.v15i2.47705

Abstract

This study aimed to prove the effect of moderate-intensity aerobic exercise on increasing Peroxisome proliferator-activated receptor-gamma coactivator-1alpha (PGC-1α) levels in obese women. A total of 12 women aged 20-25, with body mass index (BMI) of 25-30 kg/m2, normal systolic blood pressure, and normal resting heart rate as subjects in the study. Subjects were randomly divided into 2 groups, namely K1 (n=6; control without intervention) and K2 (n=6; aerobic exercise). The exercise was carried out with an intensity of 60% -70% HRmax, frequency 3x/week for 8 weeks. Pretest and posttest PGC-1α levels were analyzed using the Enzyme-linked immunosorbent assay (ELISA) method. The data analysis technique uses the Paired Sample T-Test with a significant level of 5%. Based on the results of the study it was concluded that aerobic exercise with an intensity of 60% -70% HRmax with a frequency of 3x/week for 8 weeks affected increasing PGC-1α levels in obese women.
Irisan Profile of Obese Women After Moderate Intensity Aerobic Exercise Naufal Firdaus; Sugiharto Sugiharto; Desiana Merawati
COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga Vol 15, No 2 (2023): June
Publisher : UNIVERSITAS NEGERI MAKASSAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/cjpko.v15i2.47729

Abstract

Irisin in obesity was found to be lower than in individuals with normal weight. Low irisin levels lead to decreased metabolism. Low metabolism causes a decrease in muscle mass, storage of triglyceride energy, and accumulation of excess fatty acids in the body which can lead to the risk of obesity. This study aims to prove the effect of moderate-intensity aerobic exercise on increasing irisin levels in obese women. This research method is true experimental with a random calculation design between pretest-posttest groups. A total of 18 obese women aged 20-25 years were actively involved in research activities and were divided into two groups, namely KK (n = 9; control group), and KE (n = 9; experimental group). Aerobic exercise was given using a set intensity of 60-70% HRmax with a treadmill for 45 minutes, 3x/week for 8 weeks. Irisin levels were evaluated before and after the intervention using the ELISA Kit method. The data analysis technique used the Paired Sample T-Test with a 5% confidence level. The results showed the average irisin level between before and after the intervention in KK (0.83±0.97 vs. 0.86±1.25 ng/mL, p=0.961), KE (0.69±0.64 vs. 2.77±1.26 ng/mL, p=0.003). Based on the results of the study it was concluded that aerobic exercise with a set intensity of 60-70% HRmax performed 3x/week for 8 weeks can increase irisin levels in obese women.