Add Yahoo as a preferred source to see more of our stories on Google. If you’re looking to sculpt some killer abs and increase your core strength, you might first turn to crunches. Hey, it’s a habit.

Instructions: For each move, perform as many reps as possible in 45 seconds, then rest 15 seconds. Continue to the next move. After you've completed all four moves, rest for one minute, then repeat ...

If you hesitated to hit the pool this weekend due to your less-than-stellar midsection, our new quickie workout find from Pinterest—the song workout for abs and obliques—may be a helpful starting ...

Ready to work that core? We've rounded up the best oblique workout video options on YouTube to stream from home that'll leave your abs quaking. The best and quickest (and cheapest!!) way to find some ...

This simple floor exercise is redefining how Americans train their core—without crunches, machines, or strain on the spine.

Perfectly sculpted abs are the domain of the genetically gifted, strict dieter and cardio-committed. We can all, however, gain important abdominal strength. Strong abs stabilize our muscles and joints ...

THERE ARE ALL kinds of muscle-fixated guys in your local gym, from top-heavy bench press behemoths and stringer tank-wearing arm day devotees to short, stocky squat and deadlift adherents with tree ...

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