The Science Behind What Is Good Heart Rate When Working Out – Optimal Zones Revealed
Your heart isn’t just a muscle—it’s a real-time biofeedback system, pulsing with data about your workout’s effectiveness. That steady thump during a run or the gasping rhythm after sprints isn’t random noise; it’s a direct indicator of whether you’re burning fat, building endurance, or risking burnout. The question “what is good heart rate when working […]