No matter how much your partner pleads, you can& substitute time in the sack for time on the treadmill. However, certain sex positions do work a woman& muscle groups — some so much, in fact, that you might not be able to make it to the gym the next day.
Flat Belly Made Easier Is zipping your pants a real struggle? Does your quest for a sexy stomach always hits a bump right about belly-button level? Well, you may not be after six-pack abs, but a flat pooch is something on your mind all the time!