Sex and fitness are related. See how to exercise the right muscles to develop flexibility and endurance for enhanced intimacy and sexual pleasure. Learn which muscle groups to strengthen for specific sexual positions. Join three attractive couples as they demonstrate how you and your partner can exercise together in this easy to follow erotic workout. experience erotic exercises in various parts of the home, including beautifully shot underwater exercises in the pool. Warming Up Fun exercises all over the house Erotic exercises for the pool Sexy exercises in the bedroom Fitness and sexual positions.