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, Bangkinang City, Indonesia, v. 2, n. 3, p. 204–213, 2021. DOI: 10.53905/inspiree.v2i3.45. Disponível em: https://inspiree.review/index.php/inspiree/article/view/45. Acesso em: 9 nov. 2025.