Fred Duncan on Instagram: "You don’t need to toe drag. Most young athletes try to toe drag because they’ve seen it in some elite sprinters and assume it’s the cause of speed. That’s the first mistake. Actively dragging the toe doesn’t help you accelerate. Creating friction against the ground outside of true stance doesn’t move you forward faster. The second explanation people give is that a lower heel helps you get the foot back on the ground sooner so you can push. That idea only holds if it em