All you need is a ball for this tough back-sculpting move 1184 101 4 SHAPE magazine Upper-Body Workouts Jennifer Hiner I was referring to the comment above mine. The pin isn't spam, but the comment is annoying and spammy.
A Swiss ball is one of the most versatile pieces of fitness equipment out there. This workout will strengthen your entire body, especially focusing on your abdominals and other core muscles. Best of all, the only equipment you need to do the workout is a