Discover how to leverage heart rate zones for smarter training. Learn practical tips, zone definitions, and how to personalize your effort for better results.
How to Use Heart Rate Zones to Train Smarter
Browsing Category
Fitness Tech & Wearables
63 posts
How Optical Heart Rate Sensors Actually Work
Discover how optical heart rate sensors use light to measure your heartbeat. Learn the science behind your fitness tracker’s heart rate readings.
What Training Load and Strain Metrics Really Track
Discover what training load and strain metrics measure—beyond just numbers. Learn how they reflect your body’s response to training and how to use them effectively.
How to Read a Sleep Score Without Obsessing Over It
Learn what your sleep score measures, which trends matter, and how to use wearable data without letting one number control your day.
The Truth About Calorie Counts on Cardio Machines
Cardio machine calorie counts are estimates, not measurements. Learn why they’re off, which machines do best, and what to track instead.
How GPS Watches Calculate Distance (and Where They Slip)
Discover how GPS watches estimate your distance, where they often go wrong, and practical tips to improve accuracy in real-world conditions.
What “VO2 Max Estimate” on Your Watch Actually Means
Discover what your smartwatch’s VO2 Max estimate actually indicates about your cardiovascular health and how to interpret it accurately in your fitness journey.
Omada Health Surges In Global Coverage
Omada Health sees a surge in international media mentions, indicating growing global interest in its digital health programs.
How AI Models Read Your Files to Win Business Deals — And Why It Matters for Your Company
In a live experiment, AI models that read deep into internal files won their deals, proving that understanding hidden information is vital for winning in business today.
Beyond Chat: How AI Management Skills Are the Key to Business Resilience in Price Wars
Discover why management quality, not chat skills, defines AI’s true business value. Firmulate’s live experiment reveals how AI handles crises, trust, and execution under pressure.
