The 5 most common mistakes people make when holding a plank—and how to avoid them

For the sake of good form and stronger muscles, trainer Meg Takacs explains the proper way to do a plank—and the mistakes she often sees people make.

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Photo: Well+Good Creative

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.