PENGARUH SENAM AEROBIK HIGH IMPACT TERHADAP INDEKS MASSA TUBUH DI YAYASAN RAHADI OSMAN PONTIANAK

AbstractThe problemin this research is still the existence of learners who have unbalanced weight because lifestyle does not refer to healthy lifestyle such as lack of activity and exercise. The purpose of this study was to determine the effect of high impact aerobic excercise on body mass index of learners in Rahadi Osman Pontianak.Research method used in this research is experiment with pre-experiment design type. Sampling tecnique using purposive sampling. Samples studied are the learners in Rahadi Osman Pontianak as many as 7 people. Data analysis was performed using t-test (influence test) using computerized system (SPSS 19).The result showed that the body mass index of learners in the Rahadi Osman Pontianak obtained the lowest pre-test value 25 and highest 27, then obtained the lowest post-test value 24 and highest 26. The average value of pre-test 25.86 and post-test 24.70 with precentage decrease in body mass index of 1%. This means that there is influence between high impact aerobic gym on body mass index of learners in Rahadi Osman Pontianak. Keywords: High Impact Aerobic, Body Mass Inde