But how do fitness trackers measure your heart rate, exactly? And how accurate are these measurements? We asked the experts. Most fitness watches and smart rings depend on a technique called ...

Pulse measurement equipment is now easier to use than ever before, with many devices offering easy-to-align solutions and plug-and-play computer operation, reports Neil Savage. Ultrafast lasers ...

Or, you can use it as a rudimentary way to measure your heart rate and blood oxygen levels. It’s by no means a medical grade tool, but this build from [Taste The Code] is still quite impressive.

Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness watches and smart rings.

The first prospective study to look at this problem since investigators identified an issue earlier confirmed that clinicians ...

The differences, or bias, between estimates of blood oxygen saturation levels as measured with pulse oximeters compared to ...

The simplest way of measuring heart rate is to measure your pulse. As the heart beats, a pulse can be felt in locations where an artery passes over something solid, such as bone. Pulse locations ...

Pulse oximetry has been suggested as the preferred tool for continuos monitoring of patients at risk for the SIDS/ALTE/Apnea clinical complex. Technical difficulties related to difficulty of long ...

then heart rate is your go-to metric. METS is a good choice if you want an easy measure of how long you spend at various exercise intensities (light, medium or vigorous) and watts is a favourite ...