Research Update: How Do You Measure Work in a CrossFit or HYROX Workout?
A new review proposes a way to measure the mechanical work in CrossFit and HYROX workouts. Here's what it means and why it isn't validated yet.
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Research Update: Why "Normal" Blood Work Can Be Misleading in Athletes
A new perspective article explains why "normal" blood work can mislead athletes, and how tracking your own baseline gives you a clearer picture.
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Research Update: No, Vitamin D Doesn’t Build Muscle
A review of 54 trials found vitamin D doesn't build muscle or boost strength. Here's what it means for athletes.
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Do Strength and Fitness Really Start Declining at 35?
What research shows about peak fitness, age-related performance decline, and how to extend athletic longevity.
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