Pengaruh Kegiatan Senam Irama terhadap Kemampuan Motorik Kasar Anak Usia 5-6 Tahun di RA Roudlotul Ulum Desa Lebakjabung Kecamatan Jatirejo Kabupaten Mojokerto

The Research in group B of RA Roudlotul Ulum Lebakjabung Jatirejo Mojokerto is, the low rate of. The research, which was conducted to the group B of RA Roudlotul Ulum, is based on the fact that kids barely develop their motor gross skill in rhythmic. This research aims to see if the rhythmic does affect the kids motor gross development. In this research, the writer user quantitative approach with pre experiment and one group pre-test post test design. The research involver 14 students. The writer garners data by observing and using observation sheet to note down progresses The Writer analyze the data using non-parametric statistic by wilcoxon. Based on the analysis made during pre-test and post-test observations, the writer final that the motor gross development the average value of the result pre-test 16 and the average value of result post-test 20. Calculation result obtained with the test level t arithmetic = 0 the smaller from t table 81 and decision result is Ha be accepted because t arithmetic < t table (0 < 81 ) and Ho rejected because t arithmetic > t table ( 0 > 81). Conclusion the research shows that method of rhythmic gymnastics significant influence on motor gross development group B of Al-Fitroh in Surabaya It is proved that of learning rhythmic gymnastics can help children develop the motor gross in the field of physical