Lunges might be great for working your backside, but for a well-shaped derriere, you need to mix it up. When I asked my Equinox trainer for the most-effective moves to strengthen and tone the glutes, she offered these four booty moves. When combined, they work the glutes from a variety of angles, ensuring your bum is firm, lifted, and totally toned.
The Best Moves For a Shapely Butt
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