TY  - JOUR 
T1  - EFFECTS OF ABDOMINAL CORE STRENGTHENING ON FLEXIBILITY IN TAE KWON DO ATHLETES
JO  - Revista Brasileira de Medicina do Esporte
A1  - Guo, Peipei
SN  - 1517-8692
UL  - 10.1590/1517-8692202329012022_0336
VL  - 29 
Y1  - 2023
PB  - Brazil 
ER  -