Accuracy is paramount for heart rate monitors. A reliable HRM provides consistent, precise heart rate readings during various ...

Alena is a professional writer, editor and manager with a lifelong passion for helping others live well. She is also a registered yoga teacher (RYT-200) and a functional medicine certified health ...

This optical heart-rate module reference design incorporates red and infrared LEDs, a sensor, power subsystem, and logic level translation. Measuring 13mm x 13mm, this tiny, low-power board can be ...

That tension becomes especially clear with heart rate zone training, a popular five-tier system that endurance athletes use ...

The MAXREFDES117# reference design is a low power, optical heart-rate module complete with integrated red and IR LEDs, and a power supply. This tiny board, perfect for wearable projects, may be placed ...

With great battery life and a reasonable price tag, the Coros Heart Rate Monitor nails the basics. Accuracy stood up to testing – and while an EKG chest strap might have the edge in terms of pro-grade ...

Heart rate zones represent different percentages of your maximum heart rate. They can help guide the intensity and effectiveness of your workouts. The benefits of exercise are widespread and include ...

Heart rate reserve (HRR) is the difference between your resting heart rate and your maximum heart rate. Knowing this number can help you train and work on your fitness goals. Your heart rate reserve ...

Xiaomi has launched the Watch S4 41 mm in markets outside China, following its release in June 2025. In the EU, it is priced at €159.99, while the Milanese Strap version costs €219.99. The Watch S4 41 ...

Average heart rates vary widely. During stress, the body releases hormones that trigger a “fight or flight” response. A person’s heart rate may increase and exceed 100 beats per minute (bpm).

In adults, a typical resting heart rate is 60 to 100 beats per minute, but structural or electrical disorders of the heart can cause it to rise or fall. Medications, a lack of sleep, and stress may ...