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Chair dancing

Chair-dancing workout DVDs seem to have been predominantly relegated to late-night infomercials. But there's a fitness gem buried even in this risqué routine. Gyrating and jiggling is highly encouraged—and the result is tight abs, legs, butts, and more.

Many private studios are beginning to incorporate these moves into their pole-dancing or other sultry dance classes.

"I tell [patients] they can then use those skills with their partner at home; they can give it as a gift on Valentine's Day," says Brandon, author of Monogamy: The Untold Story and co-author of Reclaiming Desire: 4 Keys to Finding Your Lost Libido.

Next: Belly dancing