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Take the 7 Minute Workout to the bedroom with the Pile Driver

In positions like the Pile Driver that involve lifting body weight, sex counts as a high intensity interval training (HIIT) move that ramps up cardio, and improves flexibility and strength while burning fat--so you look good naked.

Tops get a workout from squat-like thrusts and stabilizing the core while doing the Pile Driver.

Bottoms get the benefit from stretching, which helps improve flexibility

Read the facts about HIIT the Bedroom.

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Try the Pile Driver position and use #HIITtheBedroom to share your photos, videos and comments.