5 Best Core Killer Exercises – FREE report
http://www.criticalbench.com/corekillers/
http://www.criticalbench.com/corekillers/
Shred Your Abs with Crunchless Core
http://www.criticalbench.com/growth/abs
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Training the lower abs may be a challenge for you…especially if you’re wasting your time and wrecking your spine with tons of crunches and sit ups! Here are the best lower ab workouts and exercises for men and women.