A routine sweat sesh can offer a whole slew of health benefits, but if you really want to capitalize on those workouts, going hard (think: sprinting, HIIT, intervals) may be your best bet. At least, ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? If you’ve ever been posted up at the squat rack, wondering how heavy you can ...

This is read by an automated voice. Please report any issues or inconsistencies here. If your smartwatch has ever flashed a “VO₂ max” score or you’ve heard ...

This workout is not for the faint of heart. If you’re an athlete, you’ve probably heard the recent buzz around VO2 max. Whether you run sprints on the daily or frequent your local circuit training ...

The iPhone 17 Pro Max has an IP68 dust and water resistance rating, and feels strong and substantial in your hand. However, if you don’t put it in a case, some owners are reporting how the body can ...

Use a watch and see how far you can run in 12 minutes on a flat surface (ideally, a track), maintaining as steady a pace as ...