Jurnal Jendela Ilmu Olahraga (J2IO) is a peer-reviewed journal that publishes high-quality, impactful scientific articles worldwide, coaching and education in various fields of sport and physical activity: sports health, sport physiology, sport psychology, nutrition, pedagogics, sports biomechanics, rehabilitation or adapted physical activity, and other sports related topics. This journal facilitates the transfer of knowledge and technology between research and practice in physical activity and athletics All manuscripts submitted to Jurnal Jendela Ilmu Olahraga (J2IO) subject to peer review by national experts, and should; 1. Clear and easy to understand, precise and concise; 2. Bring new, original, interesting and valid information and guide future research; 3. Has not been previously published elsewhere and is not under consideration in another journal; 4. According to the journal instructions. Manuscripts that fail to comply with these rules may be returned to the author without review. Under no circumstances should a journal warrant publication before the editorial board makes a final decision. Jurnal Jendela Ilmu Olahraga (J2IO) is published in November and May every year.