Jump Train like a Firefigher Believe it or not, one of the most physically demanding occupations is fire fighting. Where quickness, balance, and explosive strength can be a matter of life and death. Fire fighters have their own timed competitions where they have to perform on unstable surfaces, and sand dune training become the go-to way to train. Jumping in sand is low impact, easy on the joints, and devilishly challenging for even the best conditioned jumper. Now you can set up your own sand dune right in your bedroom with the Original Sanddune. Its special closed cell foam simulates the properties of a pile of sand. March on it, do standing jumps. Do quick feet high intensity intervals. builds explosive power through high frequency high-velocity contractions. Sanddune builds explosive power through high frequency high-velocity contractions. You get 300% greater muscle recruitment in half the time.
