Check out my favorite ab move from my upcoming program 9 Week Control Freak using the core ball. I'm showing the beginner, intermediate & advanced way... | By Autumn Calabrese | Facebook
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Amazon.com: Trideer Pilates Ball 9 Inch Core Ball, Small Exercise Ball with Exercise Guide Barre Ball Bender Ball Mini Yoga Ball for Pilates, Yoga, Core Training, Physical Therapy, Balance, Stability : Sports
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