Obre aquests links i OBSERVA!!!!.
http://www.todonatacion.com/W_estilos-natacion.php
Papallona
http://www.youtube.com/watch?v=boOx98KW5bQ&feature=PlayList&p=DE24D5F1A208F883&playnext=1&index=1
Esquena
http://www.youtube.com/watch?v=6TLBsr1mdlE&feature=PlayList&p=DE24D5F1A208F883&index=0
Braça
http://www.youtube.com/watch?v=724VWfiPNwQ&feature=PlayList&p=DE24D5F1A208F883&index=2
Crol