Archive for February, 2013

Question: I am a sprinter, and I know that stretching can be detrimental to running speed, but I would still like to learn to do splits. Is there a way of learning splits that would not be detrimental to my sprinting, or even improve it? Answer: If, to increase flexibility, one does only the type […]


Recently a karate fighter asked for my opinion on a new training tool, a training mask that restricts breathing. He was tempted but skeptical because the manufacturer of that mask made some claims that were too good to be true. Had the manufacturer stuck to the facts, the fighter likely would have been sold on […]