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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Woman doing sit-up with a dumbbell. You don’t need to hit the gym to get a quality core workout done. If you have a set of ...

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You’ll warm up with dynamic stretches meant to wake up your spinal mobility and activate your core. Then, you have three strength sets, with two exercises each, which you’ll perform back to back.