After 2kg medicine ball toss, how to throw 9.6 meters?

High school girls, now only thrown 8 meters.

But also a week winter vacation, and home without a solid ball, opening the first week of the exam, it is important to ask how can we enhance the ah? !

Am anxious呀! Thank you thank you thank you thank you

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again and again the strength of upper and waist bar.

To learn when tired, sit sit-ups. There is no dumbbell dumbbell dumbbell-sit on a level with the drink to fill the remaining forces of the water and thought. 1.6 m a winter problem.

Do not stress when the exam. Must have self-confidence and confident.