How do you do Kegel exercise?

You know when you have to pee but you can't find a bathroom? The muscles you use to stop your pee from coming out is involved in Kegel exercises. Don't perform Kegels on a full bladder. Kegels involve squeezing the pelvic floor muscles for 5 seconds, and relaxing for 10 seconds. 10 times of this is considerd as a set. http://www.wikihow.com/Do-Kegel-Exercises