Don't just walk by your stability ball! It's one of the best fitness tools you can own, so put yours to good use with these incredibly effective moves. Get ready to target your arms, abs, butt, and ...

a) Lie on your back and bring legs to tabletop position, squeezing a stability ball between your feet. b) Press lower back into the floor, straighten legs to 45-degree angle, return to tabletop.

With more and more emphasis being placed on legs these days, it’s time for all of us to work on getting ours in shape. In order to do that you have to work the hamstrings in back, quadriceps in front, ...