(Click on yin yang symbol to read the articles) William C.C. Chen’s 60 Movements by William C. C. Chen Fighting Art Training by William C. C. Chen Tai Chi Exercise and the Prevention of Heart Disease by William C. C. Chen Breathing by William C. C. Chen Characteristics by William C. C. Chen Fingers are the Work of Art by William C. C. Chen Tai Chi Chuan Breathing by William C. C. Chen The Mechanics of the Three Nails by William C. C. Chen The Internal System by William C. C. Chen The Slow Motion of Tai Chi Chuan by William C. C. Chen Tai Chi Exercises for Seniors by William C. C. Chen