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

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

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