This Aussie workout may be the fastest-growing fitness franchise ever

With more than 450 locations in 18 countries, Australian fitness boutique F45 is rapidly expanding worldwide. Here's what you need to know about their workouts.

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Photo: Instagram/Pip Edwards

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.