I broke three fingers last year. Only one of them functions as it should now. The advice I recieved was to flex them as far as they would go, to regain flexibility. This was without resistance though. It was uncomfortable, but not overly painful. I dont think you should be working against a ball, but what do I know.
One other side effect is that the three fingers that were broke, are now very sensitive to the cold.
NB: I AM NOT A DOCTOR
I broke three fingers last year. Only one of them functions as it should now. The advice I recieved was to flex them as far as they would go, to regain flexibility. This was without resistance though. It was uncomfortable, but not overly painful. I dont think you should be working against a ball, but what do I know.
One other side effect is that the three fingers that were broke, are now very sensitive to the cold.