Learn the two most accurate fitness tracker metrics, according to new research and which ones arent science-backed.

Im an Exercise PhysiologistHeres Why You Shouldnt Worry About Cortisol Spikes When You Do HIIT Workouts.

Whether its theApple Watch,FitBit,Oura Ring, or (and!?)

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However, with that expansion comes a potential double edged sword: paralysis by analysis.

Having so much data can easily overwhelm us.

What do all these stats actually tell us, and what can we actually do with that info?

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owner ofQuantum Performanceand works with the NBA’s Brooklyn Nets

Knowing the most accurate fitness tracker metrics can be helpful here.

To maximize the value of the data youre getting, focus on the most accurate fitness tracker metrics.

Second to heart rate is step count.

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In the lowest, not generally accepted tier isVO2max, training load, and sleep and stress.

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This isnt a knock on wearablesthe majority of health and fitness tech cant measure higher complexity variables.

woman sweating in the gym

Yet theyre still excellent tools for major health indicators like heart rate and step count.

To put it simply, dont take your wearable at face value immediately.

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Tara Davis-Woodhall of Team United States celebrates with husband Hunter Woodhall after winning the gold medal in the Women’s Long Jump Final on day thirteen of the Olympic Games Paris 2024 at Stade de France on August 08, 2024 in Paris, France.

Healthy female training in the gym, performing a hip thrust.