Two HIIT sessions a week is the sweet spot for improving your cardio, says study. Here’s what they should be

The message for runners? Two HIIT sessions a week appears to be the ‘Goldilocks’ zone when it comes to improving VO2 max and ...

Just 17 minutes — build muscle and power all over and strengthen your core with this dumbbell workout

This 17-minute dumbbell workout builds strength, power and a core that can endure; here's how to do it using just one set of ...

Can My Treadmill HIIT Class Get Me Faster? Experts Offer Insight

Those mid-class sprint intervals are tough. But experts break down whether they really get you ready for race day.

'I wore a weighted vest for every workout for a week – the results surprised me'

My typical week of workouts includes a mix of strength training, cardio, and stretching, but sometimes my routine gets ...

This 8-Minute Bodyweight Routine Builds More Core Strength Than 45 Minutes of Gym Workouts After 50

Build stronger core in 8 minutes with a bodyweight routine that beats long gym workouts and supports posture and balance ...