Muscle tends to come back faster the second time because when you’ve built it once, your muscle fibers retain extra myonuclei ...

Here's our annual list of the famous women surprising us to be our best selves. Read heat's Fit List 2026 on heatworld.com.

Caroline Idiens is nothing if not a poster woman for midlife fitness. Better known by the name of her online fitness platform, Caroline’s Circuits, she’s living proof that a targeted approach to ...

Celebrity trainer Harley Pasternak is known for training high-profile clients like Ariana Grande, Kim Kardashian, and Gwyneth Paltrow. But lately, he's been training normal folks too, on Khlo ...

EDITOR’S NOTE: Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book “Practical ...