Forget dropping to the floor for endless crunches. Celebrity trainers have discovered that some of the most effective core-strengthening moves actually happen while standing up. These expert-approved ...

Step one foot behind you. Bend both knees to 90 degrees to lower down in the lunge. Pause for a moment, then press through ...

Don’t quite like doing plank? Are crunches your worst enemy? You're in luck! This workout doesn’t require you to do any floor ab exercises, so you can safely erase sit-ups out of your mind too. In ...

Workout videos may seem impossible when you're starting from scratch, but there are ways to make them easier! Try these tips ...