This 20-Minute, Lunge-Heavy Workout Brings the Heat to Every Single Muscle in Your Legs

This 20-minute lunge workout is all about strengthening your lower body sans the impact, and you don't need any equipment to do it.

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Photo: Getty Images/<br />LumiNola

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.