Should the science of the Achilles subtendons actually change how you rehab tendinopathy? In Part III, Stephanie Cone walks through what we know about subtendon architecture in healthy and pathological tendons—then we lay out the case for and against targeting these units independently in practice. The honest answer sits in the space between plausibility and proof. Part III of The Debrief, revisiting each presentation from our 2026 Summit. Read this edition with full references at traversecitytendonsummit.com.