PHILADELPHIA (CBS) - Workout gone wild. A new fitness routine that's helping people shed pounds, build muscle, and unleash their inner animals. 3 On Your Side Health Reporter Stephanie Stahl shows you ...

Get low, even lower, now get on all fours and crawl on the ground. Go ahead and growl or roar if you want, because you are well on your way to doing Animal Flow! Yep, it's a thing! This ground-based ...