Before revision: Handspring Publishing 2015, Use of foam rollers or a roller massager before or after exercise for self-myofascial release appears to be helpful with regard to range of motion and soreness, but further study is needed to define optimal parameters (timing and duration of use) to aid performance and recovery .
After revision: Handspring Publishing 2015, Use of foam rollers or a roller massager before or after exercise for self-myofascial release appears to be helpful with regard to range of motion and soreness, but the evidence is poor .