If someone told you that you could improve your sex life just by doing a few little exercises, would you do it? Sure, you'd do it. Kegel exercises may sound strangely clinical, but these genital workouts can dramatically improve your sex life. "These exercises are the best way for women to learn to have orgasms, or multiple orgasms, and for men to maintain greater control over ejaculation," says sex therapist Ava Cadell, Ph.D. The Kegel's strange name comes from Arthur Kegel, the 1940s gynecologist who first suggested that strengthening the pelvic floor or "PC muscles"…