Very bad. Teenagers should not do such weight-bearing training, unless they want to be athletes in this field, they just need to jog easily. . . Because teenagers are developing, their bones are not yet fully developed. . .
Very bad. Teenagers should not do such weight-bearing training, unless they want to be athletes in this field, they just need to jog easily. . . Because teenagers are developing, their bones are not yet fully developed. . .