I originally stumbled onto the learning zone model while researching on how to improve my coaching way back when I was still working freelance as a kayaking coach. Here's a video on how I eventually applied the learning zone model to my kayak coaching context (with some illustrations!): https://youtu.be/Id6wYKXsgLU Updated version of this slidedeck: https://www.slideshare.net/chanbingruikenneth/the-learning-zone-model-senninger-2000