... Ishikawa-Takata K, Tabata I, Sasaki S, Rafamantananatsoa HH, Okazaki H, Okibo H, Tanaka S, Yamamoto S, Shirota T, Uchida K, Murata M: Physical activity level in healthy free-living Japanese estimated ... 1 Validity of the International Physical Activity Questionnaire Short Form (IPAQ-SF): A systematic review Paul H Lee1, Duncan J Macfarlane2, T H Lam1, and Sunita M Stewart1,3 FAMILY: A Jockey ... Validity of two physical activity questionnaires (IPAQ and PAQA) for Vietnamese adolescents in rural and urban areas International Journal of Behavioral Nutrition and Physical Activity 2008,...