TY - JOUR T1 - SCIENTIFIC TRAINING OF SPORTS MEDICINE FOR BALANCE OF KNEE JOINT MUSCLE STRENGTH OF ATHLETES JO - Revista Brasileira de Medicina do Esporte A1 - Men, Yanhua SN - 1517-8692 UL - 10.1590/1517-8692202127042021_0086 VL - 27 Y1 - 2021 PB - Brazil ER -