-Rest your weight on your palms and the balls of your feet, not dissimilar to normal pushup position

-Move by stepping with your R palm and L foot, then your L palm and R foot.  Basically, walk like a lumbering bear.

-Move as fast as you can.  Measure your reps/sets in either distance (i.e. 40 yards) or time (i.e. 45 seconds)

-Works your Pecs, Deltoids, Triceps, Traps, Lats, Abs and Lower Back, Hip Flexors, Quads, Glutes and Calves

The diagram shows the most used muscles on this exercise