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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no ...

Nike Training Club – 20 Minute Workouts – Season 1 offers a series of intense and effective exercise routines designed to maximize fitness in just 20 minutes. Each episode focuses on different aspects ...

One popular fitness expert shares the best home ab workout and 7 intense lower ab exercises, for a combination that hits your entire core.