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The Core Challenge.

The Core Challenge

Goodbye, Tummy Tire; Hello, Amazing Abs: Printable Core Workout - Feeling a little mushy in your middle from all those holiday cookies and missed workouts? It's time to fire up your midsection with this dynamic core circuit workout! It's part of our Get Fit 2014 workout plan — just print out this poster and tone your core at home, the office, or the gym.

"Fire Up Your Core" Workout -- great moves to tone the whole core

The 300 Challenge [Ab & Core Workout]