What are the descriptions of the 5 basic swimming strokes?

According to Livestrong the 5 styles are front crawl, backstroke, butterfly, breaststroke and sidestroke - if ya can't trust Lance who can ya trust :) www.livestrong.com/.../ What about the trudgeon? No one has mentioned that...

According to Livestrong the 5 styles are front crawl, backstroke, butterfly, breaststroke and sidestroke - if ya can't trust Lance who can ya trust :) www.livestrong.com/.../ What about the trudgeon? No one has mentioned that...