Do you actually know how hard you’re working in your sessions — or are you just guessing?In this video, I break down how heart rate monitors work, what the training zones mean, and why understanding them could be the difference between spinning your wheels… and seeing real results.Whether your goal is fat loss, performance, or hybrid fitness — knowing your heart rate zones gives you clarity, purpose, and smarter recovery.I’ll also walk you through: • The 5 heart rate zones (explained simply) • The difference between wrist, chest, and optical HR monitors • How we use live heart rate tiles at JDD Fitness Centre • Why zone training helps you burn more fat and avoid burnout📲 We use this daily at JDD — and it’s a game changer.