Aaron, D.J., Kriska, A.M., Dearwater, S.R., Anderson, R.L., Olsen, T.L., Cauley, J.A. and Laporte R.E. (1993) The epidemiology of leisure physical activity in an adolescent population. Medicine & Science in Sports & Exercise 25(7), 847-853.

Aaron, D.J., Kriska, A.M., Dearwater, S.R., Cauley, J.A., Metz, K.F. and LaPorte R.E. (1995) Reproducibility and validity of an epidemiologic questionnaire to assess past year physical activity in adolescents. American Journal of Epidemiology 142(2), 191-201.

Ainsworth, B.E., Haskell, W.L., Whitt, M.C., Irwin, M.L., Swartz, A.M., Strath, S.J., O´Brien, W.L., Basset jr. ,D.R., Schmitz, K.H., Emplaincourt, P.O., Jacobs jr., D.R. and Leon A.S. (2000) Compendium of physical activities: an update of activity codes and MET intensities. Medicine & Science in Sports & Exercise 32(Suppl. 9), S498-504.

Ainsworth, B.E., Sternfeld, B., Richardson, M.T. and Jackson K. (2000) Evaluation of the Kaiser Physical Activity Survey in women. Medicine & Science in Sports & Exercise 32(7), 1327-1338.

Baecke, J.A., Burema, J. and Frijters, J.E. (1982) A short questionnaire for the measurement of habitual physical activity in epidemiological studies. American Journal of Clinical Nutrition 336(5), 936-942.

Berthouze, S.E., Minaire, P.M., Chatard, J.C., Boutet, C., Castells, J. and Lacour, J.R. (1993) A new tool for evaluating energy expenditure: the "QAPSE" development and validation. Medicine & Science in Sports & Exercise 25(12), 1405-1414.

Bland, J.M. and Altman, D.G. (1986) Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1(8476), 307-310.

Booth, M.L., Okely, A.D., Chey, T.N. and Bauman, A. (2002) The reliability and validity of the Adolescent Physical Activity Recall Questionnaire. Medicine & Science in Sports & Exercise 34(12), 1986-1995.

Booth, M.L., Okely, A.D., Chey, T. and Bauman, A. (2001) The reliability and validity of the physical activity questions in the WHO health behaviour in schoolchildren (HBSC) survey: a population study. British Journal of Sports Medicine 35(4), 263-267.

Bouchard, C., Tremblay, A., Leblanc, C., Lortie, G., Savard, R. and Theriault, G. (1983) A method to assess energy expenditure in children and adults. American Journal of Clinical Nutrition 337(3), 461-467.

Caspersen, C.J., Nixon, P. and Durant, R. (1998) Physical activity epidemiology applied to children and adolescents. Exercise and Sport Sciences Reviews 23 341-403.

Cooper, D.M. (1996) Cardiorespiratory and Metabolic Responses to Exercise In: Maturation and Growth. In: The Child and Adolescent Athlete. Ed: Bar-Or, O. 1st edition, Oxford: Blackwell Science Ltd. 54-73.

Flandrois, R., Grandmontagne, M., Maget, M., Favier, R. and Frutoso, J. (1982) La consommation maximale d'oxygène chez les jeunes français, sa variation avec l'âge, le sexe et l'entraînement. The Journal of Physiology 78, 186-194. (In French)

Friedenreich, M.C., Kerry, S., Courney, A. and Bryant, H.E. (1998) The Lifetime Total Physical Activity Questionnaire: development an reliability. Medicine & Science in Sports & Exercise 30(2), 266-274.

Garcia, A.W., George, T.R., Coviack, C., Antonakos, C. and Pender, NJ. (1997), Development of the child and adolescents activity log: A comprehensive and feasible measure of leisure-time physical activity. International Journal of a Behavioral Medicine 4, 323-338.

Harro, M. (1997) Validation of a questionnaire to assess Physical Activity of children ages 4- 8 years. Research Quarterly For Exercise and Sport 668, 259-268.

Heberstreit, H., Staschen, B. and Heberstreit, A. (2000) Ventilatory threshold: a useful method to determine aerobic fitness in children? Medicine & Science in Sports & Exercise 32(11), 1964- 1969.

Hernandez, B., Gortmaker, S.L., Laird, N.M., Colditz, G.A., Parra-Cabrera, S. and Peterson, K.E. (2000) Validity and reproducibility of a questionnaire on physical activity and non-activity for school children in Mexico City. Salud Publica de Mexico 42(4), 315-323.

Kowalski, K.C., Crocker, P.R. and Kowalski, N.P. (1997) Convergent validity of the physical activity questionnaire for adolescents. Pediatric Exercise Science 9, 342-352.

Kriska, A. and Caspersen, C.J. (1997) Introduction to a collection of physical activity questionnaires. Medicine & Science in Sports & Exercise 29(6), S5-S9.

Leger, L. and Lambert, J. (1982) A maximal multistage 20-m shuttle run test to predict VO2 max. European Journal of Applied Physiology 449, 1-12.

MacMurray, R., Guion, W., Ainsworth, B. and Harrell, J. (1998) Predicting aerobic power in children. Journal of Sports Medicine and Physical Fitness 338, 227- 233.

McDowell, I. and Newell, C. (1987) Measuring health : a guide to rating scales and questionnaires. 1st edition. New York Oxford University Press, New York.

McNaughton, D., Cooley, D., Kearney, V. and Smith, S. (1996) A comparison of two different shuttle run tests for the estimation of the VO2 max. Journal of Sports Medicine and Physical Fitness 36(2), 85- 89.

Montoye, H.J., Kemper, H.C.G., Saris, W.H.M. and Washburn, R.A. (1996) Measuring physical activity and energy expenditure. 1st Edition. Human Kinetics, Champaign.

Philippaerts, R.M. and Lefevre, J. (1998) Reliability and validity of three physical activity questionnaires in Flemish males. American Journal of Epidemiology 1147(10), 982-990.

Pols, M.A., Peeters, P.H., Ocke, M.C., Bueno-de-Mesquita, H.B., Slimani, N., Kemper, H.C. and Collette, H.J. (1997) Relative validity and repeatability of a new questionnaire on physical activity.Preventive Medicine 26(1), 37-43.

Pols, M.A., Peeters, P.H. Ocke, M.C., Slimani, N., Bueno-de-Mesquita, H.B. and Collette, H.J. (1997) Estimation of reproducibility and relative validity of the questions included in the EPIC Physical Activity Questionnaire. International Journal of Epidemiology 26(1), S181-189.

Rauh, M., Hovell, M., Hofstetter, C., Sallis, J. and Gleghorn, A. (1992) The reliability and validity of self- reported physical activity in an adult Latino sample. International Journal of Epidemiology 21, 966- 971.

Sallis, J.F., Buono, M.J., Roby, J.J., Micale, F.G. and Nelson, J.A. (1993) Seven-day recall and other physical activity self-reports in children and adolescents. Medicine & Science in Sports & Exercise 25(1), 99-108.

Sallis, J.F. and Saellens, B.E. (2000) Assessment of physical activity by self-report: Status, limitations, and future direction. Research Quarterly for Exercise and Sport 771(2), 1.

Saris, W.H.M. (1996) Assessment of Energy Expenditure and Daily Physical Activity. In: The child and adolescent athlete. Ed: Bar-Or, O. 1st edition. Oxford: Blackwell Science Ltd. 634-646.

Scerpella, T., Tuladhar, P. and Kanaley, J. (2002) Validation of the Godin- Shephard questionnaire in prepubertal girls. Medicine & Science in Sports & Exercise 34(5), 845-850.

Schmucker, B., Rigauer, B., Hinrichs, W. and Trawinski, J. (1985) Motor abilities and habitual physical activity in children. 1st edition. Springer- Verlag, Berlin.

Suter, E. and Hawes, M. (1993) Relationship of physical activity, body fat diet, and blood lipid profile in youths 10- 15 years. Medicine & Science in Sports & Exercise 25, 748- 754.

Taylor, H.L., Jacobs, D.R. Jr., Schucker, B., Knudsen, J., Leon, A.S. and Debacker, G. (1978) A questionnaire for the assessment of leisure time physical activities. Journal of Chronical Diseases 31(12), 741-755.

Turley, K. and Wilmore, J. (1997) Cardiovascular responses to submaximal exercise in 7- to 9-yr-old boys and girls. Medicine & Science in Sports & Exercise 29, 824- 832.

Van Mechelen, W., Hlobil, H. and Kempert, H. (1986) Validation of two running tests as estimate of maximal aerobic power in children. European Journal of Applied Physiology 55, 503- 506.

Vuillemin, A., Oppert, J.M., Guillemin, F., Essermeant, L., Fontvieille, A.M., Galan, P., Kirska, A.M. and Hercberg, S. (2000) Self-administered questionnaire compared with interview to assess past-year physical activity. Medicine & Science in Sports & Exercise 32(6), 1119-1124.

Washburn, R., Jacobsen, D., Sonko, B., and Donnelly, J. (2003) The validity of the Stanford Seven- Day Physical Activity Recall in young adults. Medicine & Science in Sports & Exercise 35(8), 1374- 1380.

Weston, A.T., Petosa, R. and Pate, R.R. (1997) Validation of an instrument for measurement of physical activity in youth. Medicine & Science in Sports & Exercise 29(1), 138-143.