The one move J.Lo’s trainer has her do to tone *everything* from the waist up

Celebrity trainer David Kirsch shares how to do the super-challenging move he has famous clients like J.Lo, Kate Upton and Heidi Klum do to tone their core, arms, and chest.

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Photo: Instagram/@jlo

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.