Your watch isn't as accurate at tracking calories as you think

A new wearable designed at Stanford University claims to be far more accurate at calculating calorie burn than the smartwatch on your wrist. It measures leg motion and works for lower-body exercises including walking, running, cycling and climbing stairs. We compare it to a lab-grade calorie-tracking tool.

Read more on CNET: https://www.cnet.com/news/the-most-accurate-calorie-burn-tracker-isnt-a-smartwatch-you-can-make-it-yourself/
How you can build the leg wearable yourself: https://www.nature.com/articles/s41467-021-24173-x
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0:00 Intro
0:59 Why aren't smartwatches good at calorie tracking?
2:27 Designing a new wearable for the leg
3:35 Walking, running, cycling, stair tests
5:13 Results
7:00 Upper body workouts

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