North America Society of Teachers of the Alexander Technique, P.O. Box 517, Urbana, IL 61801, 800473-0620, www.alexandertechnique.com Feldenkrais: The Feldenkrais Guild, P.O. Box 489, Albany, OR 97321-0143, 800-775-2118, www . Fel den kra i s . com Pilates: Physical Mind Institute, 1807 Second Street #28129, Santa