Story by Cori Ritchey, C.S.C.S., Olivia Luppino Has your core routine gotten stale? I know mine has. While crunches, Russian Twists, and planks are effective, after doing them a bunch, they might get ...

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 ...

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." This 20-minute abs workout is part of the Women's Health 30-Day Workout Challenge. For this part of the ...

Not feeling like hitting the gym today? No problem! All you need is a yoga mat and 20 minutes to strengthen your core—no crunches required. Part of the Women's Health Ultimate Abs Challenge, this ...

There's a difference between training your "show" muscles versus "go" muscles.

Hitting that end-of-January motivation slump—or just want to spice up your routine with fresh moves? Meet the quick-yet-intense dumbbell workout that will jolt you and your body back to life. This ...

For a core- and glute-specific workout, you'll love this eight-move workout from ISSA-certified personal trainer and Under Armour trainer Sydney Torabi. It's quick (done in 20 minutes!), but intense!

To help you squeeze core workouts into a busy schedule, Runner’s World teamed up with Men’s Health to create a training program that includes four 20-minute workouts. Dubbed “20-Minute Functional Core ...

Target your booty and abs with this 20-minute bodyweight workout from ISSA-certified personal trainer and Under Armour trainer Sydney Torabi. In just four moves, it will help you build strength and ...