Pengaruh Latihan Kekuatan Otot Lengan Dan Bahu Terhadap Hasil Tolak Peluru Siswa Kelas VIII SMP Negeri 2 Rokan IV Kabupaten Rokan Hulu

Hendri Mulyadi
Debby Indah

JURNAL PENDIDIKAN ROKANIA
Vol 3 No 1 (2018): Jurnal Pendidikan Rokania

This research, spesifically, an experiment that delivering the practice of arm muscle strength and shoulder to increase the result. This research was conducted at SMP Negeri 2 Rokan IV Koto Kab. Rokan Hulu. The clasification result of samples, it was obtained 15 samples. This research used the models of total random sampling.The instrument of research used a test of weight throw and data with using t-test formula manually. The result shows an average of pre-test is 5.78. meanwhile, average of post-test is 6.30. with 5.740 t count and 1.761 for t table. This research indicates that the practice of arm muscle strength and sholuder could increase weight throw result.