30-DAY CHALLENGE: CORE STRENGTH
The 30 Day Core Challenge... for a rock-hard core! http://www.iweightloss.com/blog/core-challenge/
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Hardcore ab workout - challenge your abs with these exercises! + MyProtein review
Building abs of steel requires more than just crunches. This core workout challenges your abs from every angle.
Give your body some attention and take up this 30 day abs and squat challenge. The three workouts involved in this challenge will certainly assist you achieve those hot abs and lower body.
super 7 core workout | challenge your core with these 7 super tough core exercises you can do in 7 minutes or less. | www.nourishmovelove.com