Lunges, shmunges.
If you're tired of basic forward-bending lunges, we have good news: There are other weightless workouts that will tone your booty without putting you to sleep.
As you'll see in Cosmopolitan's video above, there are nearly a dozen butt-busting variations that'll shake up your routine and work some muscles you might be missing.
Variety is the spice of life, so get moving!
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