Performance Metrics & Exercise Science for Smarter Training
Performance and exercise science explain how your body works during training and effort. Whether you’re using fitness metrics or listening to effort cues, understanding the science makes progress faster and smarter.
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VO2 Max for Men: Chart, Fitness Levels & What Your Number Means
Fitness isn’t just about how far or fast you run.

What Is Tempo in Fitness Apps? Your Friendly Guide to Understanding This Game-Changer
Fitness apps can sometimes feel like they’re speaking a different language.

Zone 5 Training: Unlocking Peak Performance in Cycling and Running
Zone 5 training is not for the faint of heart.

How Garmin Calculates VO2 Max: Accuracy, Methods, and Insights
Garmin watches estimate your VO2 max using heart rate and speed data, helping you track and improve your aerobic fitness.
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