The following databases will lead you to articles in journal articles and other documents in physical education, kinesiology, sports psychology, and related fields.
ERICis an extensive index to journal articles, reports, and other documents on education research and practice, 1966 - present
MEDLINE is an extensive index to journal literature (1965 - present) in the in life sciences with a concentration on biomedicine. MEDLINE is useful for searches on physical education topics that are related to health and medicine such as motor learning, kinesiology and nutrition.
Academic Search Complete indexes over 9,300 periodicals in many disciplines, providing over 5,300 journals in full text.
PsycINFO is an extensive index to psychology literature, 1872 - present. It is an excellent source for searches on sports psychology and related topics.