By
Kim Schewitz
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Harley Pasternak, a celebrity trainer, has worked with clients including Rihanna.
Buzzy metrics are not helpful for the average person looking to improve their health, the celebrity trainer Harley Pasternak said.
By
Kim Schewitz
You're currently following this author!
Want to unfollow? Unsubscribe via the link in your email.
Harley Pasternak, a celebrity trainer, has worked with clients including Rihanna.

Zone 2 training has become the fitness meme of 2024–2026. The physiology is real. The 80/20 rule is real. But most of what you…

VO₂ max has become a key fitness and longevity metric; what does it measure, how is it calculated, why does it matter for health…

Harley Pasternak, whose clients have included Kim Kardashian, Rihanna, and Robert Pattinson, does resistance training to build…

Experts explain why training performance and VO2 max don’t tell the whole story about your heart health – and when an ECG or…

Beyond intense workouts, lasting health hinges on daily choices. Celebrity nutritionist Luke Coutinho highlights seven…

Wearable sweat sensors are trendy for athletes, promising to tell you exactly how much fluid and sodium you're losing on a run or…