Imran Valiani·Nov 2I Lifted Heavy at 25. At 48, I Lift Lighter. Am I Training for the Wrong Thing?Load, effort, and speed are tied to different outcomes. Here’s what the evidence shows — and where it runs out.
Ethan Peterson·Oct 6Why Your Zone 2 Heart Rate Might Be WrongThe 220-minus-age formula behind most training zones was never built on a validation study
Candace Nelson·Sep 25Recovery Is the New Workout. But What Are We Recovering For?Cold plunges, saunas, massage guns — and the surprisingly complicated science of helping the body bounce back.
Drew Brennan·Sep 6Is Zone 2 Really the Cardio Sweet Spot?Zone 2 cardio has become one of the biggest fitness trends of the last few years.
Drew Brennan·Sep 2Your Fitness Tracker May Be Overcounting What Exercise Really BurnsFitness trackers make calorie burn look wonderfully precise.
Denstar Fitness·Aug 31You Can Build Muscle on Two Short Workouts a Week — Here’s What Actually Drives GrowthTwo sessions. Twenty minutes each. The research-backed minimum for beginners — and when you’ll need more.
Lorenzo Viglietti·Aug 24The Norwegian 4x4The Most Clinically Validated High-Intensity Protocol Ever Tested
Lorenzo Viglietti·Aug 23Adaptive Resistance TrainingThe Science, the Technology, Redefining How Humans Build StrengthA response icon1A response icon1
