By targeting your ab muscles in an upright position, the workout becomes more functional as it relates to running.

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, ...

Crunches and sit-ups have always been the go-to bodyweight exercises for people looking to work their abs, but they’re not your only option, and there are certainly more enjoyable ways to train your ...

For core workouts from Stephanie Mansour — plus fitness challenges, walking podcasts, meal plans and inspiration — download the Start TODAY app! When it comes to toning the abdominals, many of my ...

While sit-ups and crunches might be seen as the cornerstone of ab and core workouts, they’re far from the only moves that get results. Plenty of other exercises take you off the mat and onto your feet ...

No time to work out? Micro-workouts can help change that. Fitting an hour of exercise into your busy day can feel impossible, but proponents of micro-workouts say they offer a way to get exercise in ...