Dr. Ben Moxness | Jump Training & Athletic Development on Instagram: "A lot of how fast you will be as a sprinter is about the capacities you possess. While you do need to run fast to get fast, sprinting alone will likely not be enough to max out the vertical and horizontal force production capabilities as well as the reactive strength you need to run fast. This is where having supplemental workouts like these in addition to adequate sprint volumes can be valuable. You can see Yohan Blake (one o