30-Minute Core and Foam-Roller Fusion Workout January 2, 2021 Unipro2013main Exercise and Workout Tips Exercise and Workouts [Presented by Voltaren] This workout begins with 20 minutes of core work to strengthen and tone your abs and back, and ends with a touch of self-massage using a foam roller to release muscle tension. Credit POPSUGAR Fitness Please support our Sponsors here :