Maulana , Muchammad Ichwal Akbar, Sri Sumartiningsih, and Ipang Setiawan. “Core Strength Training, Balance to Increase Togok Flex and Leg Strength in the Elderly in Semarang”. JUARA : Jurnal Olahraga 8, no. 1 (March 31, 2023): 611-623. Accessed November 21, 2024. https://jurnal.upmk.ac.id/index.php/juara/article/view/2945.