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What it is A sexy workout inspired by exotic dance, S Factor combines Pilates moves with strippers’ gyrations. The two-hour classes are taught in dimly lit studios featuring the same poles used by the pros. Skimpy outfits and Lucite heels are encouraged.

Cost $40 for an introductory class and $385 to $480 for an eight-week series

Benefits Firm up and reshape abs, butt and thighs while gaining body confidence and learning to move more sensually.

The S behind the Factor Actress Sheila Kelley (“LA Law,” “Sisters”) founded S Factor after researching a role as a stripper for the film Dancing at the Blue Iguana.

Locations Studios in four Southern California locations, plus San Francisco, Chicago and New York City. Workshops travel to other cities in the United States.

S-ing at home Too shy to take a class? Learn the moves in the privacy of your own boudoir, with S Factor’s three instructional videos and Kelley’s book The S Factor: Strip Workouts for Every Woman (Workman, 2003).

Get the look T-shirts, tanks, G-strings and your very own stripper pole are available from the company’s website.

Learn more For locations, class schedules and merchandise, check out sfactor.com