When are wearable fitness trackers most accurate for accounting for calorie expenditure?Select one:a.Only when wearing a chest-strap heart rate monitorb.At restc.Moderate-intensity activityd.During high-intensity exercise
Question
When are wearable fitness trackers most accurate for accounting for calorie expenditure?Select one:a.Only when wearing a chest-strap heart rate monitorb.At restc.Moderate-intensity activityd.During high-intensity exercise
Solution
c. Moderate-intensity activity
Wearable fitness trackers are most accurate for accounting for calorie expenditure during moderate-intensity activity. This is because these devices use algorithms that are best suited to average levels of activity. During high-intensity exercise, the heart rate may be too high for the tracker to accurately measure. At rest, the calorie expenditure is too low for the tracker to accurately measure. And while a chest-strap heart rate monitor may improve the accuracy of the tracker, it is not necessary for the tracker to function accurately.
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