What kind of fitness exercise can improve the explosive power best?

Jumping box

Jumping box is one of the intensive training actions of lower limbs, which strengthens athletes to send out the strongest strength of their legs in the shortest time. Therefore, attention should be paid to the accumulation and release of strength during training and it should be completed in the shortest time.

When jumping out of the box, you must pay attention to protecting your knees. Don't put the box too high, so as not to exceed your ability and cause injury.