20‑Minute Office HIIT: A Busy Professional’s Guide to Burning 300 Calories
Why a 20-Minute HIIT Break Works for Busy Professionals Picture this: you glance at your Outlook calendar, spot a free 20-minute slot labeled “quick sweat,” and wonder if you really have time for a workout. The truth is, those 20 minutes can ignite a metabolic cascade that rivals a half-hour