Wednesday, March 3, 2021
Technology

The Apple Watch expands its range of cardio fitness measurements – The Verge

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The Watch tracks fitness through a metric called VO2 max, which is the amount of oxygen your body takes in throughout motion or workout. The Apple Watch was already tracking high and typical VO2 max for users throughout workout. This update broadens the variety it determines and allows users to see their levels when theyre walking, not simply when theyre working out.

You can find Cardio Fitness in the Health app.Image: Apple

Apple is expanding the variety of cardiorespiratory physical fitness that can be determined on the Apple Watch. Beginning today, the Health app will classify users as having “high,” “above average,” “second-rate,” or “low” cardio fitness. Low levels will set off a notification.

Using a Watch is definitely less time-intensive than entering into a laboratory, however it may not be as precise. Research studies comparing Garmin and Polar smartwatches to normal lab screening found that the watches tended to be off by about 5 percent. Apple does not report how well the Watch compares to conventional, clinical VO2 max measurement techniques.

“Apple Watch now brings estimation of low cardio fitness levels from clinics directly to a users wrist, so people have more insight into how they can improve their long-lasting health through day-to-day activity,” said Jeff Williams, Apples chief running officer, in a news release.

Apple states it tracks lower varieties of VO2 max by utilizing Watch sensing units like the heart rate display and accelerometer. Generally, VO2 max is calculated using customized devices in a laboratory while someone exercises on a treadmill or other tool.

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