This study explores the effectiveness of foam rollers and roller massagers in increasing hamstring flexibility among asymptomatic, physically active adults. It aims to determine whether moderate to high-quality evidence supports these self-mobilisation devices.
PMID: 27632826
Key Points
Aim: To assess the effectiveness of foam rollers and roller massagers in increasing hamstring flexibility in asymptomatic, physically active adults.
Methods: A literature review focused on randomised controlled trials. Four studies were included, two of which were for foam rollers and roller massagers.
Results:
Roller massagers: Both studies reported increases in hamstring flexibility after treatment.
Foam rollers: Data did not show statistically significant increases in hamstring flexibility, although one study demonstrated a strong effect size.
Practical Application
Roller massagers appear more effective than foam rollers for increasing hamstring flexibility.
Longer treatment duration and administration by a trained therapist may improve flexibility gains.
Flexibility gains tend to decline rapidly after rolling.
Neither device has been proven superior to static stretching for therapeutic benefits.
