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The volume drops. The training gets harder. The intensification phase is where you learn to access everything you've built — faster and harder than before.
The build phase is where volume and intensity rise together. It's the most demanding adaptation block — and where under-recovery quietly erodes everything you built.
The base phase feels slow — it's supposed to. This is where the engine gets built, and its size determines everything that comes after.
Almost every training injury follows the same rule — and a simple metric called Load Ratio can predict it weeks in advance.
You're training hard but the progress has stalled. The problem isn't effort — it's structure. Here's how periodization changes everything.