Perry Nickelston, DC, SFMA interviews Dr. Mark Cheng about earning the right to train and the line between corrective and conditioning exercises. Dr. Cheng is one of the most prolific and sought after professionals on fitness, health, training, acupuncture, martial arts and movement conditioning. A martial arts master and a healer with traditional chinese medicine, Dr. Cheng is a dear friend and mentor. Sit back and soak it all in folks! Dr. Cheng is the man...Learn more at his blogsite. Sign up and get access to his teachings every week. I DO!