Don't lie, you already walk like this: Prancercise

Prancercise: A Fitness Workout


www.youtube.com/watch?v=o-50GjySwew


Won't weights on the extremities cause extra stress on the joints?
Would a weight back pack be better?
Would the experience be heightened if one did it in a wading pool? For added difficulty perhaps a swimming pool underwater?

Edit: video embedding doesn't work anymore? Just click the link.