Remember back in the day when running around playing with your friends was all you had to do to be healthy and stay in shape? The days when swinging on the monkey bars and playing hide an go seek were all it took to get your heart rate up and burn calories. Seems like the days of fun and fit are long gone, unless you make a play date! My typical Thursday workout routine got a much needed jolt of energy when I found myself in a parallel fitness universe where having fun and socializing outweighed working out and agonizing over how to maximize calories burned. The place was filled with ...