January 27, 2016
The correct length and weight of the sai varies from individual to individual. Of course, as with any weapon, the longer and heavier it can be without compromising the handling, the better it is in a combat situation. As the proverb goes, "One inch longer, one inch stronger" (一寸長, 一寸強, Yī cùn cháng, yī cùn qiáng).
September 15, 2014
The rise in recent years of so-called ‘reality’ based martial arts reminds me of other great scams committed against the general public, like bottled water, and who can forget the panic that gripped the world in the 1990s over the Y2K dilemma that was supposedly going to see aeroplanes fall from the sky and shut down every computer on the entire planet.
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.