摘要：Purpose of this Research to know influence practice gymnastic aerobik low impact and high impact to result of physical freshness, and different of influence practice of physical freshness. Population of this research were member which still be active in gallery of Healthy gymnastic Sehat Bersemi in Pemalang of year 2011 as much 20 people. Sampel used with total sampling. Instrument were used to collecting data is Harvard step test. Furthermore, to analysis of data used formula t-test. Result t-test of pre-test and post-test group of experiment 1 obtained value tcount = 5,00 > ttable(2,26); result t-test of pre-test and post-test group of experiment 2 obtained value tcount= 9,53 > ttable(2,26); and result t-test of post-test group of experiment 1 and experiment 2 obtained value tcount = 3,36 > ttable(2,26). Mean of post-test of physical freshness which practice gymnastic aerobik low impact reach 70,48 and high impact reach 75,74. Based on the research can be concluded that there was influence practice gymnastic aerobik low impact and high impact to physical freshness, and practice gymnastic aerobik high impact give better result compared to a practice gymnastic aerobik low impact to result of physical freshness.
其他摘要：Tujuan penelitian ini untuk mengetahui pengaruh senam aerobik low impact dan high impact terhadap hasil kesegaran jasmani, dan perbedaan pengaruh latihan kesegaran jasmani. Populasi dalam penelitian ini adalah member yang masih aktif di sanggar senam Seha
