ALPHA. Instruments for Assessing Levels of Physical Activity and Fitness - Meusel, D.; Kwak, L.; Hagströmer, M.; Bergman, P.; Ruiz, J. R.; Ortega, F. B.; Sjöström, M. (Ernährung - Wissenschaft und Praxis, 2007)
Keywords: nutrition; health; sparetime sports; test; investigation method; database; analysis; Europe; Germany; leisure sport and sport for all; biological and medical sciences