The most common mistake to make when doing the side lunge

Lunges are staples to your leg-day regimen. Here, trainer Megan Roup explains the proper way to do a side lunge, which works your legs and your butt.

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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.