This four-move workout from Coleman requires just a single dumbbell, kettlebell, or even a heavy water bottle. All in all, it ...

When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While sit-ups have long been a go-to for strengthening the core, they're not always ...

While typically filed under the “core move” category, sit-ups do more than fire up your midsection. “Sit-ups are more intense and target more muscles than a traditional crunch,” Alison Staples, coach ...

As a fitness editor, I love that deep core shake you get after a minute-long plank. That said, if I’m in a busy gym, or I’m taking my workout outside now the weather is nicer, the chances are I’ll ...

Sit-ups and crunches both target your core muscles, but work differently. You can use both exercises to build strength, endurance, and control.

The classic sit-up is a workout staple. Whether you've become all too familiar with the movement in your weekend HIIT class or eked out those last few reps while following a home workout video, you've ...

Core muscles wrap around the midsection like a girdle, forming a connecting link between the upper and lower body. They support, stabilize, and help move your spine, trunk, and pelvis, and most body ...