Sit-ups can be a great way to strengthen your abdominal muscles that sit around your stomach. But they can quickly get repetitive and its easy to accidentally lose your form, so when boredom strikes, ...

They’re often lumped together as “ab exercises,” but crunches and situps aren’t the same thing — and choosing the right one can impact your results (and your spine). So, if your goal is stronger abs, ...

The best bodyweight exercises targeting the core include functional, full-core training exercises like the dead bug, bird dog ...

Head to nearly any packed gym, and you’ll probably see at least one woman working on her core. Maybe she’s whipping out some bicycle crunches, or holding still in an impressively-long plank. There are ...

Both sit-ups and crunches can help target your core muscles, but there are key differences between the two ab workouts.

Sit-ups (where the upper body is lifted completely) and crunches (where only the shoulder blades lift off the ground) are classic abdominal exercises. Photo: Getty Images Sit-ups and crunches are two ...

After witnessing the life-changing health benefits his father’s patients received throughout the years, Long Island native Dr. Todd Sinett inherited a passion for healing and helping people live ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." If your body were a bicycle, your abs and back muscles—your core—would be the frame. You need a ...