No matter which variations you follow, crunches have the advantage over sit-ups of being able to better target abdominal muscles. "Because the movement is smaller, you can control momentum more," ...

Swimwear icon Natasha Oakley lives by certain workout habits, such as Pilates and regular cardio, to keep her body in top form.

Walking workouts are an effective way to raise your heart rate, boost your metabolic rate, and burn calories. They have far less impact than running workouts, and unlike swimming and cycling, you ...

Sit-ups are a classic core-strengthening exercise, great for working the abdominal muscles near the surface of your torso.

Ever been amazed by the athletic physique of Marvel heroes and heroines, like the flawless Scarlett Johansson? It's common to ...

Erin Stern, a two-time Figure Olympia champion, broke down her calorie-burning back and abs workout for achieving a smaller waist.