What Your Fitness Tracker Is Getting Wrong

Nearly half of all adults now own a fitness tracker. Most are using it to make real decisions — when to push, when to rest, whether to even show up today. The problem: some of the most important numbers on that screen are significantly less accurate than the device lets on.In this episode, Coach Chris gives an honest breakdown of what wearables actually measure well — and where they quietly mislead you.The good news first: heart rate during exercise is reasonably accurate, sleep duration tracking is useful, and long-term trend data over weeks and months is probably the most valuable thing these devices produce.The bad news: calorie burn estimates are off by 30 to over 100 percent depending on the study. The Apple Watch has been shown to overestimate energy expenditure by as much as 115 percent. That number is the flashiest readout on your screen and also the least accurate.And recovery scores built from HRV — the green/yellow/red readiness ratings on Whoop, Oura, and Apple Watch — are based on a noisy, highly individual signal that varies with hydration, alcohol, stress, sleep timing, and room temperature. Research shows a single morning's recovery score is a weak predictor of actual workout performance.For anyone still building the fitness habit, letting a subscription algorithm decide whether to skip the gym is the wrong call.You'll also get three evidence-based ways to actually use your tracker effectively.Book your free No-Sweat Intro at catalystgym.com/free-intro.