You can tie a few small sandbags to your calf, take them out for running every day, and then take them off when you come back to exercise your calf. Rub it again. Promote blood circulation. Tie sandbags to your calves and practice squatting and taking off. Practice standing long jump and standing long jump. Practice like this for a month or two. Your jumping ability will see the effect.
But after every exercise. You must rub your calves, move your ankles and promote blood circulation.