To begin with, this core-straightening roller has a dual-wheel design, which makes it easy to keep balance during your workout. Also, the two-wheel design ensures more even weight distribution. And using a well-balanced wheel means you will have more confidence in the exercises and eventually...
While the workout didn’t leave me with a six-pack like Efron’s, it did give me a shaky core that I could feel at my desk a few hours later. I enjoyed the variety, and the use of the bands in exercises I do a lot. I’ll definitely be repeating this one again. Looking for...