Basically when it comes to problems with hamstring injuries pre-hab is better that re-hab. So if you are already sitting with a hamstring injury you need to see a physiotherapist as soon as possible after you have iced it as soon as possible after the injury.

Seeing as the rehabilitation process is not part of my discussion here i am not going into much detail of that. But a good physio will be able to help with that with various therapies including but not limited to dry needling, deep ti...