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GoSports Core Hub Fitness Plank Board with Smart Phone Integration for Full Body Workouts
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FULL BODY WORKOUT: Pivot plank board gives you 360 degrees of motion to target core muscle groups and focus on full body muscle activity in just minutes per day (full workout details included)
SMARTPHONE INTEGRATION: Non-slip smartphone pad holds your phone in place so you can watch videos or play interactive fitness games while working out$77.39