No lie: Aussie HIIT franchise F45 is about to be everywhere

F45's global expansion plans put it in the mainstream fitness ranks of OrangeTheory, CorePower Yoga, thanks to a new investment from Mark Wahlberg.

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Photo: F45

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.