The Latest Breaking News from Stef Williams

I'm a Seasoned Pro—6 Strength Training Mistakes I See Women Make In Their 30s, 40s, and 50s

Aka one of the easiest ways to boost longevity and lifespan.

Marie Claire · Aug 8

I Tried a Renowned Trainer's Go-To Arm Workout—After 6 Weeks, I Have Better Posture, More Energy, and Newfound Confidence

Turns out, the biggest benefits of stronger arms have nothing to do with how they look.

Marie Claire · Aug 6

Elite Sportswomen Are Breaking the Silence on Endometriosis—and It’s Long Overdue

"It's time we stopped treating debilitating pain as just part of the game."

Marie Claire · Jul 28

I tried this simple trick to replicate a Pilates Reformer class at home—and my core got a serious workout

Could this be the best budget alternative to Reformer Pilates?

Fit & Well · Nov 10, 2023

Build Stronger Legs With This Three-Move Barbell Tempo Workout

Level up your next leg day and strengthen your lower-body with this trio of lifts

Coach · Aug 5, 2023

Four moves and 20 minutes is all you need to boost your metabolism and build stronger legs

Work your core, improve your balance, and boost your stability with this short high-intensity routine

Fit & Well · Jul 16, 2023

Short on time? These are the best 15-minute workouts you can do from home to get your heart rate up

Ready to get a quick sweat on?

Marie Claire · Jun 21, 2023

20 minutes, seven moves, and one kettlebell to boost your metabolism and build muscle all over

This routine will help you develop your core strength and stability, while building muscle in your arms and legs

Fit & Well · Jun 19, 2023

Walking workouts are TikTok's latest viral trend - because yes, improving your fitness could be that simple

Cardio for the win.

Marie Claire · Jun 5, 2023

You Don’t Need Weights To Develop Powerful Legs—Just This Three-Move Plyometrics Workout

This 10-minute bodyweight routine from Stef Williams will leave your legs shaking

Coach · May 18, 2023