Hidayat, T. (2021) “The Effectiveness of Medicine Ball Sit Up Throw Exercise on Arm and Back Muscle Strength in Junior High School Students: Efektivitas Latihan Medicine Ball Sit Up Throw Terhadap Kekuatan Otot Lengan dan Punggung Pada Siswa Sekolah Menengah Pertama”, INSPIREE: Indonesian Sport Innovation Review, 2(3), pp. 204–213. doi:10.53905/inspiree.v2i3.45.