This site is good. It has a list of exercises listed by muscle group and instructions on how to do them with different equipment along with .gifs of proper form

This site is good. It has a list of exercises listed by muscle group and instructions on how to do them with different equipment along with .gifs of proper form and a bunch of other information: http://www.exrx.net/Exercise.html http://www.exrx.net/Exercise.html