http://www.sex-project.com/kegels.shtml
Kegel Exercises for Men
The Kegel exercise regimen for men is far less complicated for women because there isn't a sexually complicated vagina involved. While men may greatly enhance their enjoyment of sex by doing Kegel exercises, it's the women who can greatly increase the pleasure for both her and the man by learning to contract and hold this muscle during intercourse so that the pleasure for both partners is greatly increased.
However, after several weeks you should notice a higher erection angle, increased ejaculation distance and volume, and more intense orgasms.