abdominal exercises

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    Cathe Friedrich's Bonus Ab Stacker Workout

    This video clip is from Cathe’s STEP BOSS bonus Ab Stacker workout which is included on the STEP BOSS PHA 3 and Step Sync Workouts. Ab Stacker utilizes the risers from your step for added resistance in a unique and different way to strengthen and tone your entire core region. If You're Planning...
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