Heart Rate Monitor May 2026

Commonly found in smartwatches

Athletes use heart rate data to stay within specific "zones" (e.g., aerobic vs. anaerobic) to optimize fat burning or cardiovascular endurance. heart rate monitor

A heart rate monitor is a personal monitoring device that allows one to measure and track their heart rate in real time or for later study. Originally designed for medical use, these devices are now staple tools for athletes, fitness enthusiasts, and individuals tracking general health. How Heart Rate Monitors Work Commonly found in smartwatches Athletes use heart rate

Wearable monitors can help detect irregularities like Atrial Fibrillation (AFib) or tachycardia (a resting rate over 100 bpm). Originally designed for medical use, these devices are

and fitness trackers, these sensors use green LED lights to illuminate the blood vessels in your wrist. By measuring the changes in light absorption as blood pulses through, the device calculates your heart rate.