Kegels can make the vagina become more sensitive during intercourse and are a way to strengthen the pelvic floor muscles that control your bladder, orgasms and vaginal contractions. But first, before we begin, let’s locate the PC muscle. Think about the last time you went to urinate and had to suddenly stop your flow mid-stream. Yep, you guessed correctly—that is your PC muscle. It’s also the same muscle that pumps and gives you that awesome feeling during orgasm.