Tujuan penelitian ini adalah untuk mengetahui pengaruh kesegaran jasmani terhadap perkembangan motorik kasar anak usia 4-5 tahun di RA Nurul Yaqin Lembung Barat. Penelitian ini menggunakan pendekatan kuantitatif dengan metode penelitian eksperimen. Penelitian ini dilakukan di RA Nurul Yaqin Lembung Barat pada kelompok A dengan jumlah 18 anak. Subjek dalam penelitian ini yaitu anak usia 4-5 tahun di RA Nurul Yaqin. Uji Prasyarat Analisis meliputi: Uji Normalitas Liliefors. Dilihat dari uji jenjang wilcoxon yang menunjukkan bahwa nilai Thitung < Ttabel (0 < 40), sehingga mendapatkan hasil keputusan bahwa H0 diterima dan Ha ditolak. Hasil penelitian menunjukkan bahwa ada pengaruh kesegaran jasmani terhadap perkembangan motorik kasar anak usia 4-5 tahun di RA Nurul Yaqin Lembung Barat. Kata Kunci: Perkembangan Motorik Kasar, Kesegaran Jasmani, Anak Usia 4-5 Tahun

The purpose of this study was to determine the effect of physical freshness to the children's motoric development aged 4-5 years in RA Nurul Yaqin Lembung Barat. This research uses quantitative approach with results experimental method. This research was conducted in RA Nurul Yaqin Lembung Barat in group A with a total number of 18 children. Subject in this study was the children's 4-5 years in RA Nurul Yaqin Lembung Barat. The data were collected by using an observation, documentation and interview. Test Prerequisite Analysis includes: Liliefors Normality Test. By using the Wilcoxon level of judging the test, it was indicated that the value of Thitung < Ttabel (0 < 40), that means the decision result of H0 was accepted and Ha was rejected. The results show that there was an effect of physical freshness to the children's motoric development aged 4-5 years in RA Nurul Yaqin Lembung Barat. Keywords: Motoric Development, Physical Freshness, Early Childhood 4-5 years

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