Add Yahoo as a preferred source to see more of our stories on Google. Your favorite ab-building machine at the gym may be causing you more harm than good. That's right—we're talking about the torso ...

An enjoyable way to begin each of your workouts is with this feel-good stretch. It releases tension in your chest and hips and warms up your entire spine. Remember to focus on dropping your tailbone ...

This exercise simultaneously stretches your legs and strengthens the all-important muscles in your abdomen. Remember to keep your hips still as you twist your torso to one side. Think of reaching your ...