Smartwatches and fitness trackers don't actually measure VO2max; they just estimate it. To actually find your VO2max, you'd need to go to an exercise lab and do a test on a treadmill or cycle while ...

Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness watches and smart rings. When you purchase through links on our site, we may earn ...

Researchers at Bielefeld University have analyzed how reliably AI methods can detect pulse rates from simple video recordings ...

Healthy hearts are adaptable, and heartbeats exhibit complex variation as they adjust to tiny changes in the body and environment. Researchers have applied a new way to measure the complexity of pulse ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. You might have been tempted to get a smartwatch or a highly feature ...

Oxygen is among the most frequently administered medical therapies, with a level that is commonly adjusted according to the reading on a pulse oximeter that measures patients’ oxygen saturation.

NEUCHATEL, Switzerland--(BUSINESS WIRE)--Masimo (NASDAQ: MASI) today announced the results of a study published in Pneumonia in which independent researchers in New Delhi, India, investigated the ...

Active heart rate measures a person’s heart activity during exercise. People can use heart rate zones to optimize workouts by ensuring that the heart rate stays within the ideal range. A person can ...