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BĂLOI, C. S.; PUTA, T. S.; POPESCU, S.; GRĂDINARU, C. RATIONALIZATION OF MEANS FOR DEVELOPING ABDOMINAL MUSCLE STRENGTH THROUGH THE SIT-UP TEST IN THE EDUCATIONAL PROCESS FOR STUDENTS AGED 6 TO 10 YEARS. Studia UBB Educatio Artis Gymn. 2025, 70, 9-18.