Tameshiwari

Source: http://blogs.plos.org/retort/2010/09/02/busted-explanations-for-karate-breaking/
Original date of publication:  September 2, 2010

Source: http://skepticalteacher.wordpress.com/2009/11/14/physics-of-karate-no-woo-required/
Original date of publication:  November 14, 2009