Stanford Center for Research in Disease Prevention, Stanford University School of Medicine, Palo Alto, California 94304-1583, USA. cynthia.castro@stanford.edu
Different methods of intervention have been tested to promote physical activity at the individual level. The telephone is an excellent form of media for delivering exercise counseling and advice. This review highlights important clinical trials that have documented the success of telephone-assisted exercise counseling for promoting physical activity in a variety of populations.