Pengaruh Dosis Latihan Fisik Aerobik terhadap Penurunan Indeks Massa Tubuh, Asam Lemak Bebas Darah dan Kadar Leptin Darah pada Mahasiswi Universitas Negeri Semarang  

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Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI
Dalam koleksi: Majalah Ilmu Faal Indonesia vol. 06 no. 02 (Feb. 2007), page 98.
Topik: overweight subjects; aerobic physical exercise; VO2 max; body mass index; free fatty acids; leptin

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Perpustakaan FK Nomor Panggil: M07.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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The purpose of this study was to prove that aerobic physical exercise (APE) could decrease body mass index (BMI), blood free fatty acid (FFA), and blood leptin levels (LL). The dose chosen was 50% and 70% VO2 max, with the expectation that APE at 70% VO2 max would be the more effective dose. This study used the Randomized control Group, Pre test - Post test design, Sampel were taken from population of healty, untrained, female, third semester students studying at the public health, fashion Design, and culinary study programs, Semarang state university, fulfiling tje following criteria : overweight (BMI>25%) 18-22 years old and showing no physical abnormalities that prevent them from participating in physical exercise. From all students meeting this criteria, 24 were taken and divided randomly into 3 groups of 8 students each, i.e. group 1 (control), group 2 (APE at 50% VO2 max), and group 3 (APE at 70% VO2 max), for group 2 and 3 exercises were done 3 times a week for 6 weeks. For all 3 groups pre and post test values of all variables were measured and their means calculated. The difference between the pre and post test values, the so called ? values and their means were then calculated. Next, the delta values were subjected to statistical analysis comprising of homogeneity, normality, Anova and paired t-test. The result of these statistiical analysis showed that physical exercise at 50% VO2 max was significantly more effective in reducing BMI, FFA, and LL as compared to 70% VO2 max, a finding contrary to expected outcome. It seems that in untrained overweight stubjects, the exercise at 70% VO2 max already exceeds the anaerobic threshold so that for these subjects, the exercise became partly anaerobic.

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