Fitness expert Shoshana Vitale has an awesome move to strengthen your core!PHILADELPHIA (WPVI) -- Fitness expert Shoshana Vitale has an awesome move to strengthen your core!See more of her tips here:Shoshana Vitale shows you how to do the fire hydrant!----------[Ads /]Send a breaking news alertReport a correction or typo[Ads /]Learn more about the 6abc apps