The ‘Flying Bird Dog’ Works Every Muscle in Your Core *and* Your Butt

If you're up for a serious challenge, try the flying bird dog—a exercise that works your abs and glutes, no equipment needed.

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Photo: <a href="http://www.stocksy.com" target="_blank" rel="noopener noreferrer">Stocksy</a> / Guille Faingold

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.