Laurent Béghin

Physical fitness levels among European adolescents: the HELENA study

Francisco B. Ortega, Enrique G. Artero, Jonatan R. Ruiz et al. · British Journal of Sports Medicine · 2009 · 466 citations

Short sleep duration is associated with increased obesity markers in European adolescents: effect of physical activity and dietary habits. The HELENA study

Marta Garaulet, Francisco B. Ortega, Jonatan R. Ruiz et al. · International Journal of Obesity · 2011 · 427 citations

Obesity, Sleep Medicine, Sleep Disorders +11

Objectively Measured Physical Activity and Sedentary Time in European Adolescents: The HELENA Study

Jonatan R. Ruiz, Francisco B. Ortega, David Martínez‐Gómez et al. · American Journal of Epidemiology · 2011 · 323 citations

Assessing, understanding and modifying nutritional status, eating habits and physical activity in European adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) Study

Marcela González‐Gross, M. Kersting, Dénes Molnár et al. · Public Health Nutrition · 2007 · 283 citations · Full text

The International Fitness Scale (IFIS): usefulness of self-reported fitness in youth

Francisco B. Ortega, Jonatan R. Ruiz, Vanesa España‐Romero et al. · International Journal of Epidemiology · 2011 · 259 citations · Full text