Get a sneak peek at Kayla Itsines’ new book—and how she stays motivated

An exclusive excerpt from the Aussie fitness phenom's new book, "The Bikini Body Motivation & Habits Guide."

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Photo: Instagram/kayla_itsines

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.