Heavy, Light, Medium (HLM) is a simple way to organize your training week so each lift gets a heavy, a medium, and a light session across three days. The heavy day pushes intensity, the light day keeps you moving and sharpens technique, and the medium day sits in between. This free spreadsheet turns that idea into a 12-week template based on Andy Baker’s framework, so you enter your maxes on the Input tab and every heavy, medium, and light load fills in for you.
The HLM idea goes back to coaches like Bill Starr, Mark Rippetoe, and Andy Baker, who used it to keep intermediate lifters progressing without burning out. Rotating the intensity day to day is much like a flexible daily undulating (DUP) split, and by the final week the medium day gets pushed hard enough that the program starts to look like a Texas Method setup, with one heavy intensity day and one hard volume day.
HLM works best for intermediate lifters who want a flexible template they can shape around their own recovery, not a fully prescriptive plan that dictates every set. If you’re newer and you just want to be told exactly what to do, a linear beginner program like Starting Strength will take you further before you need this kind of structure.
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