Bibliography
Websites:http://martialarts.about.com/od/martialartsbasics/a/whataremartial.htm
http://en.wikipedia.org/wiki/Martial_arts
http://www.buffalotkd.com/types-of-martial-arts.php
http://martialarts.about.com/od/styles/a/styles.htm
http://www.brucelee.com/about
http://www.wtf.org/wtf_eng/site/about_taekwondo/taekwondo.html
http://colgatephys111.blogspot.com/2011/10/physics-of-roundhouse-kick.html
http://www.dontow.com/2008/06/the-physics-of-martial-arts-breaking-boards/
Books:
Knight, Randy. Physics For Scientists and Engineers. Glenview :James Smith, 2012.Print.
Sprague, Martina. Fighting Science: The Laws of Physics for Martial Artists. Wethersfield: N.A. , 2002. Print.