Pengaruh Senam Aerobik Intensitas Ringan dan Sedang terhadap Penurunan Persentase Lemak Badan di Aerobic and Fitness Centre “Fortuna”
Sari, Yulisna Mutia
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Based on their intensity, aerobic dance is classified into low, moderate, and hight. The various intensities differ in the source of energy for activity. Low intensity aerobic dance mostly use fat oxidation, hight intensity aerobic dance mostly use carbohydrate oxidation, while moderate intensity aerobic dance use both fat and carbohydrate oxidation equally. Fat oxidation may cause decrease of storage fats on the visceral and subcutaneous tissues. The aim of this study is to investigate the difference effects between low and moderate intensity aerobic dances on body fat percentage. The subject of this study is 24 female members of Arobic and Fitness Centre Fortuna, aged between 20-40 years. Body fat percentage was measured indirectly according to the Brozek formula. The measurement we performed before the exercise and 4 weeks of the exercise. Design of this study is Quasi Experiment with Pre and Post test two group design. The result of the analysis statistical parametric with Paired Sample T-test shows that there is any effects of low and moderate intensity aerobic dance on body fat percentage. Then analysis statistical with Independent Sample T-test show no significant effect between low and moderate intensity aerobic dance on body fat percentage, p>p value (0,606>0,05). From these results, it can be concluded that low and moderate intesity of aerobic dance can decrease body fat percentage.