Why One Trainer Says 20-Minute HIIT Sessions Can Be Even More Effective Than Longer Classes

According to one trainer, when it comes to HIIT workouts, the shorter the better. Here's why 20-minute HIIT workouts can be so effective.

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16 Upper Glutes Exercises Personal Trainers Swear By for a Stronger Butt

Why your upper glutes deserve more love, and the best exercises to strengthen them.

woman doing an upper glutes exercise with an exercise band.