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Fire up your abs fast with this 20-minute core workout – no crunches required

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 a little, well, boring. Not to mention, there ...

You Don’t Need Sit-Ups—Try This 5-Minute Core Workout Instead

A strong core improves posture and stability. Try this bodyweight plank routine at home. It only takes five minutes.
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Fire up your abs fast with this 20-minute core workout—no crunches required

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 ...