You know the drill. Aching knee, tight hip, quads locking up- time for the foam roller. Surprise surprise, the good old foam roller actually works best if you use it when you are niggle free, a few minutes a day can make all the difference. But, as human nature dictates, not many of us will adhere to such advice. However, for those wise ones out there with 5 minutes spare per day to devote to this magnificent injury prevention strategy, we have listed the 5 most worthwhile foam roller exercises.