September 30, 2013
A lever is the simplest of machines, which utilizes a rigid bar to rotate around a fixed pivot point called a fulcrum in order to exert force on an object (load). If the resistance or load exceeds the strength of the bar, the bar will break. Biomechanically speaking, the arm is a bar, and when the fulcrum is at or above the joint, breakage can easily occur.
September 6, 2010
On September 11, 2001, I was employed in New York City at a job that I would soon vacate in favor of teaching martial arts professionally. On that tragic but stunningly brilliant morning, I stood on the corner of Fifth Avenue and Nineteenth Street watching the destruction of the World Trade Center unfold before my very eyes.
January 7, 2008
There is a Chinese story about six blind men who touch an elephant to know what it looks like.