Public Documents – Scientific Papers

International Publications

  Garaulet M, Ortega FB, Ruiz JR, Rey-L�pez JP, B�ghin L, Manios Y, Cuenca-Garc�a M, Plada M, Diethelm K, Kafatos A, Moln�r D, Al-Tahan J, Moreno LA.
Short sleep duration is associated with increased obesity markers in European adolescents: effect of physical activity and dietary habits. The HELENA study. Int J Obes (Lond) 2011; 35: 1308-1317.
 PDF Document Ortega FB, Ruiz JR, Hurtig-Wennl�f A, Meirhaeghe A, Gonz�lez-Gross M, Moreno LA, Molnar D, Kafatos A, Gottrand F, Widhalm K, Labayen I, Sj�str�m M.
Physical activity attenuates the effect of low birth weight on insulin resistance in adolescents: Findings from two observational studies. Diabetes 2011; 60: 2295-2299.
 PDF DocumentLabayen I, Ruiz JR, Moreno LA, Ortega FB, Beghin L, DeHenauw S, Benito PJ, Diaz LE, Ferrari M, Moschonis G, Kafatos A, Molnar D, Widhalm K, Dallongeville J, Meirhaeghe A, Gottrand F; on behalf of the HELENA study group.
The Effect of ponderal index at birth on the relationships between common LEP and LEPR polymorphisms and adiposity in adolescents. Obesity (Silver Spring) 2011; 19: 2038-2045.
 PDF DocumentGracia-Marco L, Vicente-Rodr�guez G, Casaj�s JA, Molnar D, Castillo MJ, Moreno LA.
Effect of fitness and physical activity on bone mass in adolescents: the HELENA Study. Eur J ApplPhysiol 2011; 111: 2671-2680.
 PDF DocumentDe Vriendt T, Clays E, Moreno LA, Bergman P, Vicente-Rodriguez G, Nagy E, Dietrich S, Manios Y, De Henauw S.
Reliability and validity of the Adolescent Stress Questionnaire in a sample of European adolescents – the HELENA study. BMC Public Health 2011; 11: 717.
 PDF DocumentLabayen I, Ruiz JR, Moreno LA, Ortega FB, Beghin L, Dehenauw S, Benito PJ, Diaz LE, Ferrari M, Moschonis G, Kafatos A, Molnar D, Widhalm K, Dallongeville J, Meirhaeghe A, Gottrand F; on behalf of the HELENA study group.
The effect of ponderal index at birth on the relationships between common LEP and LEPR polymorphisms and adiposity in adolescents. Obesity (Silver Spring) 2011; 19: 2038-2045.
 PDF DocumentLabayen I, Ruiz JR, Huybrechts I, Ortega FB, Rodr�guez G, Dehenauw S, Breidenassel C, Jim�nez-Pav�n D, Vyncke KE, Censi L, Molnar D, Widhalm K, Kafatos A, Plada M, D�az LE, Marcos A, Moreno LA, Gottrand F.
Sexual dimorphism in the early life programming of serum leptin levels in European adolescents: The HELENA Study. J ClinEndocrinolMetab 2011; 96: E1330-1334.
 PDF DocumentLabayen I, Moreno LA, Ruiz JR, Ortega FB, Sjostrom M, Huybrechts I, Gonzalez-Gross M, Spinneker A, De Henauw S, Manios Y, Molnar D, Leclercq C, Gottrand F; on behalf of the HELENA study group.
Associations of birth weight with serum long chain polyunsaturated fatty acids in adolescents; the HELENA study. Atherosclerosis 2011; 217: 286-291.
 PDF DocumentOrtega FB, Ruiz JR, Espa�a-Romero V, Vicente-Rodriguez G, Mart�nez-G�mez D, Manios Y, B�ghin L, Molnar D, Widhalm K, Moreno LA, Sj�str�m M, Castillo MJ; on behalf of the HELENA study group.
The International Fitness Scale (IFIS): usefulness of self-reported fitness in youth. Int J Epidemiol 2011; 40: 701-711.
 PDF DocumentRey-L�pez JP, Vicente-Rodr�guez G, R�p�sy J, Mesana MI, Ruiz JR, Ortega FB, Kafatos A, Huybrechts I, Cuenca-Garc�a M, Le�n JF, Gonz�lez-Gross M, Sj�str�m M, de Bourdeaudhuij I, Moreno LA.
Food and drink intake during television viewing in adolescents: the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study. Public Health Nutr 2011; 14: 1563-1569.
 PDF DocumentJim�nez-Pav�n D, Castillo MJ, Moreno LA, Kafatos A, Manios Y, Kondaki K, B�ghin L, Zaccaria M, de Henauw S, Widhalm K, Moln�r D, Sj�str�m M, Gonz�lez-Gross M, Ruiz JR.
Fitness and fatness are independently associated with markers of insulin resistance in European adolescents; The HELENA Study. Int J PediatrObes 2011; 6: 253-260.
 PDF DocumentDumont J, Huybrechts I, Spinneker A, Gottrand F, Grammatikaki E, Bevilacqua N, Vyncke K, Widhalm K, Kafatos A, Molnar D, Labayen I, Gonzalez-Gross M, Amouyel P, Moreno LA, Meirhaeghe A, Dallongeville J; on behalf of the HELENA Study group.
FADS1 genetic variability interacts with dietary ?-linolenic acid intake to affect serum non-HDL-cholesterol concentrations in European adolescents. J Nutr2011; 141: 1247-1253.
 PDF DocumentVicente-Rodr�guez G, Rey-L�pez JP, Ru�z JR, Jim�nez-Pav�n D, Bergman P, Ciarapica D, Heredia JM, Molnar D, Gutierrez A, Moreno LA, Ortega FB; on behalf of the HELENA study group.
Interrater Reliability and Time Measurement Validity of Speed-Agility Field Tests in Adolescents. J Strength Cond Res2011; 25: 2059-2063.
 PDF DocumentRuiz JR, Ortega FB, Mart�nez-G�mez D, Labayen I, Moreno LA, De Bourdeaudhuij I, Manios Y, Gonzalez-Gross M, Mauro B, Molnar D, Widhalm K, Marcos A, Beghin L, Castillo MJ, Sj�str�m M; on behalf of the HELENA Study Group.
Objectively measured physical activity and sedentary time in European adolescents: The HELENA Study. Am J Epidemiol2011; 174: 173-184.
 PDF DocumentOttevaere C, Huybrechts I, De Bourdeaudhuij I, Sj�str�m M, Ruiz JR, Ortega FB, Hagstr�mer M, Widhalm K, Moln�r D, Moreno LA, Beghin L, Kafatos A, Polito A, Manios Y, M�rtinez-G�mez D, De Henauw S.
Comparison of the IPAQ-A and Actigraph in relation to VO(2)max among European adolescents: The HELENA study. J Sci Med Sport2011; 14: 317-324.
 PDF DocumentKondaki K, Grammatikaki E, Pav�n DJ, Manios Y, Gonz�lez-Gross M, Sj�strom M, Gottrand F, Molnar D, Moreno LA, Kafatos A, Gilbert C, Kersting M, De Henauw S.
Comparison of several anthropometric indices with insulin resistance proxy measures among European adolescents: The Helena Study. Eur J Pediatr2011; 170: 731-739.
 PDF DocumentBokor S, Meirhaeghe A, Ruiz JR, Zaccaria M, Widhalm K, Gonzalez-Gross M, Amouyel P, Moreno LA, Molnar D, Dallongeville J.
Common polymorphisms in six genes of the methyl group metabolism pathway and obesity in European adolescents. Int J PediatrObes 2011; 6: e336-344.
 PDF DocumentChill�n P, Ortega FB, Ruiz JR, De Bourdeaudhuij I, Mart�nez-G�mez D, Vicente-Rodriguez G, Widhalm K, Molnar D, Gottrand F, Gonz�lez-Gross M, Ward DS, Moreno LA, Castillo MJ, Sj�str�m M.
Active Commuting and Physical Activity in Adolescents From Europe: Results From the HELENA Study. PediatrExercSci 2011; 23: 207-217.
 PDF DocumentOttevaere C, Huybrechts I, Benser J, De Bourdeaudhuij I, Cuenca-Garcia M, Dallongeville J, Zaccaria M, Gottrand F, Kersting M, Rey-Lopez JP, Manios Y, Molnar D, Moreno LA, Smpokos E, Widhalm K, De Henauw S, Group FT.
Clustering patterns of physical activity, sedentary and dietary behavior among European adolescents: The HELENA study. BMC PublicHealth 2011; 11: 328.
 PDF DocumentGracia-Marco L, Moreno LA, Ortega FB, Le�n F, Sioen I, Kafatos A, Martinez-Gomez D, Widhalm K, Castillo MJ, Vicente-Rodr�guez G; HELENA StudyGroup.
Levels of physical activity that predict optimal bone mass in adolescents The HELENA Study. Am J Prev Med 2011; 40: 599-607.
 PDF DocumentHallstr�m L, Vereecken CA, Ruiz JR, Patterson E, Gilbert CC, Catasta G, D�az LE, G�mez-Mart�nez S, Gonz�lez Gross M, Gottrand F, Hegyi A, Lehoux C, Mouratidou T, Widham K, Astr�m A, Moreno LA, Sj�str�m M.
Breakfast habits and factors influencing food choices at breakfast in relation to socio-demographic and family factors among European adolescents. The HELENA Study. Appetite 2011; 56: 649-657.
 PDF DocumentLegry V, Bokor S, Beghin L, Galfo M, Gonzalez-Gross M, Molnar D, Moreno LA, Amouyel P, Dallongeville J, Meirhaeghe A; on behalf of the HELENA Study Group.
Associations between common genetic polymorphisms in the liver X receptor alpha and its target genes with the serum HDL-cholesterol concentration in adolescents of the HELENA Study. Atherosclerosis 2011; 216: 166-169.
 PDF DocumentOttevaere C, Huybrechts I, Beghin L, Cuenca-Garcia MM, De Bourdeaudhuij I, Gottrand F, Hagstromer M, Kafatos A, Le Donne C, Moreno LA, Sjostrom M, WidhalmK, De Henauw S, Healthy Lifestyle In Europe By Nutrition In Adolescence HS.
Relationship between self-reported dietary intake and physical activity levels among adolescents: The HELENA study. Int J BehavNutrPhys Act 2011; 8: 8.
 PDF DocumentV�rier CM, Duhamel A, B�ghin L, Diaz LE, Warnberg J, Marcos A, G�mez-Mart�nez S, Manios Y, De Henauw S, Sj�str�m M, Moreno LA, Kersting M, Breidenassel C, Molnar D, Artero EG, Ferrari M, Widhalm K, Turck D, Gottrand F; on behalf of the HELENA study group.
Breastfeeding in infancy is not associated with inflammatory status in healthy adolescents. J Nutr 2011; 141: 411-417.
 PDF DocumentFerrari M, Mistura L, Patterson E, Sj�str�m M, D�az LE, Stehle P, Gonzalez-Gross M, Kersting M, Widhalm K, Moln�r D, Gottrand F, De Henauw S, Manios Y, Kafatos A, Moreno LA, Leclercq C.
Evaluation of iron status in European adolescents through biochemical iron indicators: the HELENA Study. Eur J ClinNutr 2011; 65: 340-349.
 PDF DocumentMartinez-Gomez D, Ortega FB, Ruiz JR, Vicente-Rodriguez G, Veiga OL, Widhalm K, Manios Y, B�ghin L, Valtue�a J, Kafatos A, Molnar D, Moreno LA, Marcos A, Castillo MJ, Sj�str�m M; on behalf of the HELENA study group.
Excessive sedentary time and low cardiorespiratory fitness in European adolescents: the HELENA study. Arch Dis Child 2011; 96: 240-246.
 PDF DocumentDe Cocker K, Ottevaere C, Sj�str�m M, Moreno LA, W�rnberg J, Valtue�a J, Manios Y, Dietrich S, Mauro B, Artero EG, Moln�r D, Hagstr�mer M, Ruiz JR, Sarri K, Kafatos A, Gottrand F, De Henauw S, Maes L, De Bourdeaudhuij I.
Self-reported physical activity in European adolescents: results from the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study. Public Health Nutr 2011; 14: 246-254.
 PDF DocumentMoliner-Urdiales D, Ruiz JR, Vicente-Rodriguez G, Ortega FB, Rey-Lopez JP, Espa�a-Romero V, Casaj�s JA, Molnar D, Widhalm K, Dallongeville J, Gonz�lez-Gross M, Castillo MJ, Sj�str�m M, Moreno LA.
Associations of muscular and cardiorespiratory fitness with total and central body fat in adolescents; The HELENA Study. Br J Sports Med 2011; 45: 101-108.
 PDF DocumentOrtega FB, Artero EG, Ruiz JR, Espa�a-Romero V, Jim�nez-Pav�n D, Vicente-Rodr�guez G, Moreno LA, Manios Y, Beghin L, Ottevaere C, Ciarapica D, Sarri K, Dietrich S, Blair SN, Kersting M, Molnar D, Gonz�lez-Gross M, Guti�rrez A, Sj�str�m M, Castillo MJ.
Physical fitness levels among European adolescents: The HELENA study. Br J Sports Med 2011; 45: 20-29.
 PDF DocumentVerier C, Meirhaeghe A, Bokor S, Breidenassel C, Manios Y, Moln�r D, Artero EG, Nova E, De Henauw S, Moreno LA, Amouyel P, Labayen I, Bevilacqua N, Turck D, B�ghin L, Dallongeville J, Gottrand F; on behalf of the HELENA study group.
Breastfeeding modulates the influence of the peroxisome proliferator-activated receptor gamma (PPARG2) Pro12Ala polymorphism on adiposity in adolescents: the HELENA Study. Diabetes Care 2010; 33: 190-196.
 PDF DocumentRuiz JR, Labayen I, Ortega FB, Legry V, Moreno LA, Dallongeville J, Mart�nez-G�mez D, Bokor S, Manios Y, Ciarapica D, Gottrand F, De Henauw S, Moln�r D, Sj�str�m M, Meirhaeghe A; HELENA Study Group.
Attenuation of the effect of the FTO rs9939609 polymorphism on total and central body fat by physical activity in adolescents: the HELENA study. Arch Pediatr Adolesc Med 2010; 164: 328-333.
 PDF DocumentDe Bourdeaudhuij I, Maes L, De Henauw S, De Vriendt T, Moreno LA, Kersting M, Sarri K, Manios Y, Widhalm K, Sj�strom M, Ruiz JR, Haerens L; HELENA Study Group.
Evaluation of a computer-tailored physical activity intervention in adolescents in six European countries: the Activ-O-Meter in the HELENA intervention study. J Adolesc Health 2010; 46: 458-466.
 PDF DocumentVardavas CI, Tzatzarakis MN, Plada M, Tsatsakis AM, Papadaki A, Saris WH, Moreno LA, Kafatos AG.
Biomarker evaluation of Greek adolescents� exposure to second hand smoke. Hum Exp Toxicol 2010; 29: 459-466.
 PDF DocumentPigeyre M, Bokor S, Romon M, Gottrand F, Gilbert CC, Valtue�a J, G�mez-Mart�nez S, Moreno LA, Amouyel P, Dallongeville J, Meirhaeghe A.
Influence of maternal educational level on the association between the rs3809508 neuromedin B gene polymorphism and the risk of obesity in the HELENA study. Int J Obes (Lond) 2010; 34: 478-486.
 PDF DocumentRey-L�pez JP, Vicente-Rodriguez G, B Ortega F, Ruiz JR, Martinez-G�mez D, De Henauw S, Manios Y, Molnar D, Polito A, Verloigne M, Castillo MJ, Sj�str�m M, De Bourdeaudhuij I, Moreno LA; on behalf of the HELENA Study Group.
Sedentary patterns and media availability in European adolescents: The HELENA study. Prev Med 2010; 51: 50-55.
 PDF DocumentSzopa M, Meirhaeghe A, Luan J, Moreno LA, Gonzalez-Gross M, Vidal-Puig A, Cooper C, Hagen R, Amouyel P, Wareham NJ, Loos RJ.
No association between polymorphisms in the INSIG1 gene and the risk of type 2 diabetes and related traits. Am J Clin Nutr 2010; 92: 252-257.
 PDF DocumentBokor S, Dumont J, Spinneker A, Gonzalez-Gross M, Nova E, Widhalm K, Moschonis G, Stehle P, Amouyel P, De Henauw S, Molnar D, Moreno LA, Meirhaeghe A, Dallongeville J.
Single nucleotide polymorphisms in the FADS gene cluster are associated with delta-5 and delta-6 desaturase activities estimated by serum fatty acid ratios. J Lipid Res 2010; 51: 2325-2333.
 PDF DocumentMoliner-Urdiales D, Ortega FB, Vicente-Rodriguez G, Rey-Lopez JP, Gracia-Marco L, Widhalm K, Sj�str�m M, Moreno LA, Castillo MJ, Ruiz JR.
Association of physical activity with muscular strength and fat-free mass in adolescents: the HELENA study. Eur J Appl Physiol 2010; 109: 1119-1127.
 PDF DocumentBokor S, Legry V, Meirhaeghe A, Ruiz JR, Mauro B, Widhalm K, Manios Y, Amouyel P, Moreno LA, Moln�r D, Dallongeville J; on behalf of the HELENA Study group.
Single-nucleotide polymorphism of CD36 locus and obesity in European adolescents. Obesity (Silver Spring) 2010; 18: 1398-1403.
 PDF DocumentMartinez-Gomez D, Ruiz JR, Ortega FB, Veiga OL, Moliner-Urdiales D, Mauro B, Galfo M, Manios Y, Widhalm K, B�ghin L, Moreno LA, Molnar D, Marcos A, Sj�str�m M; HELENA Study Group.
Recommended levels of physical activity to avoid an excess of body fat in European adolescents The HELENA Study. Am J Prev Med 2010; 39: 203-211.
 PDF DocumentEspa�a-Romero V, Ortega FB, Ruiz JR, Artero EG, Mart�nez-G�mez D, Vicente-Rodriguez G, Moliner-Urdiales D, Gracia-Marco L, Ciarapica D, Widhalm K, Castillo Garzon MJ, Sj�strom M, Moreno LA.
Role of cardiorespiratory fitness on the association between physical activity and abdominal fat content in adolescents: The HELENA Study. Int J Sports Med 2010; 31: 679-682.
 PDF DocumentMoliner-Urdiales D, Ruiz JR, Ortega FB, Jim�nez-Pav�n D, Vicente-Rodriguez G, Rey-L�pez JP, Mart�nez-G�mez D, Casaj�s JA, Mesana MI, Marcos A, Noriega-Borge MJ, Sj�str�m M, Castillo MJ, Moreno LA; On behalf of the AVENA and HELENA Study Groups.
Secular trends in health-related physical fitness in Spanish adolescents: The AVENA and HELENA Studies. J Sci Med Sport 2010; 13: 584-588.
 PDF DocumentGracia-Marco L, Vicente-Rodr�guez G, Valtue�a J, Rey-L�pez JP, D�az Mart�nez AE, Mesana MI, Widhalm K, Ruiz JR, Gonz�lez-Gross M, Castillo MJ, Moreno LA.
Bone mass and bone metabolism markers during adolescence: The HELENA Study. Horm Res Paediatr 2010; 74: 339-350.
 PDF DocumentArtero EG, Ortega FB, Espa�a-Romero V, Labayen I, Huybrechts I, Papadaki A, Rodriguez G, Mauro B, Widhalm K, Kersting M, Manios Y, Molnar D, Moreno LA, Sj�str�m M, Gottrand F, Castillo MJ, De Henauw S.
Longer breastfeeding is associated with increased lower body explosive strength during adolescence. J Nutr 2010; 140: 1989-1995.
 PDF DocumentMartinez-Gomez D, Ruiz JR, Ortega FB, Casaj�s JA, Veiga OL, Widhalm K, Manios Y, B�ghin L, Gonz�lez-Gross M, Kafatos A, Espa�a-Romero V, Molnar D, Moreno LA, Marcos A, Castillo MJ, Sj�str�m M; on behalf of the HELENA study group.
Recommended levels and intensities of physical activity to avoid low-cardiorespiratory fitness in European adolescents: The HELENA study. Am J Hum Biol 2010; 22: 750-756.
 PDF DocumentVardavas CI, Plada M, Tzatzarakis M, Marcos A, Warnberg J, Gomez-Martinez S, Breidenassel C, Gonzalez-Gross M, Tsatsakis AM, Saris WH, Moreno LA, Kafatos AG.
Passive smoking alters circulating na�ve/memory lymphocyte T-cell subpopulations in children. Pediatr Allergy Immunol 2010; 21: 1171-1178.
 PDF DocumentVereecken C, De Henauw S, Maes L, Moreno L, Manios Y, Phillipp K, Plada M, De Bourdeaudhuij I; on behalf of the HELENA Study Group.
Reliability and validity of a healthy diet determinants questionnaire for adolescents. Public Health Nutr 2009; 12: 1830-1838.
 PDF DocumentHaerens L, Maes L, Vereecken C, De Henauw S, Moreno L, De Bourdeaudhuij I.
Effectiveness of a computer tailored physical activity intervention in adolescents compared to a generic advice. Patient Educ Couns 2009; 77: 38-41
 PDF DocumentMoliner-Urdiales D, Ruiz JR, Ortega FB, Rey-Lopez JP, Vicente-Rodriguez G, Espa�a-Romero V, Mungu�a-Izquierdo D, Castillo MJ, Sj�str�m M, Moreno LA.
Association of objectively assessed physical activity with total and central body fat in Spanish adolescents; The HELENA Study. Int J Obes (Lond) 2009; 33: 1126-1135.
 PDF DocumentLabayen I, Ruiz JR, Vicente-Rodr�guez G, Turck D, Rodr�guez G, Meirhaeghe A, Moln�r D, Sj�str�m M, Castillo MJ, Gottrand F, Moreno LA.
Early life programming of abdominal adiposity in adolescents; The HELENA study. Diabetes Care 2009; 32: 2120-2122.
 PDF DocumentLegry V, Bokor S, Cottel D, Beghin L, Catasta G, Nagy E, Gonzalez-Gross M, Spinneker A, Stehle P, Moln�r D, Moreno LA, Amouyel P, Dallongeville J, Meirhaeghe A.
Associations between common genetic polymorphisms in angiopoietin-like proteins 3 and 4 and lipid metabolism and adiposity in European adolescents and adults. J Clin Endocrinol Metab 2009; 94: 5070-5077
 PDF DocumentMoreno LA, De Henauw S, Gonz�lez-Gross MM, Kersting M, Moln�r D, Gottrand F, Barrios L, Sj�str�m M, Manios Y, Gilbert CC, Leclercq C, Widhalm K, Kafatos A Marcos A – on behalf of the HELENA Study Group.
Design and implementation of the Healthy Lifestyle by Nutrition in Adolescence Cross-Sectional Study. Int J Obes (London) 2008; 32 (Suppl 5): S4-S11.
 PDF DocumentB�ghin L, Castera M, Manios Y, Gilbert CC, Kersting M, De Henauw S, Kafatos A, Gottrand F, Molnar D, Sj�str�m M, Leclercq C, Widhalm K, Mesana MI, Moreno LA, Libersa C, on behalf of the HELENA Study Group.
Quality assurance of ethical issues and regulatory aspects relating to good clinical practices in the HELENA Cross Sectional Study . Int J Obes (London) 2008; 32 (Suppl 5): S12-S18.
 PDF DocumentIliescu C, B�ghin L, Maes L, De Bourdeaudhuij I, Libersa C, Vereecken C, Gonzalez-Gross MM, Kersting M, Molnar D, Leclercq C, Sj�str�m M, Manios Y, Wildhalm K, Kafatos A, Moreno LA, Gottrand F, on behalf of the HELENA Study Group.
Socioeconomic questionnaire and clinical assessment in the HELENA Cross-Sectional Study: methodology. Int J Obes (London) 2008; 32 (Suppl 5): S19-S25.
 PDF DocumentVereecken CA, Covents M, Sichert-Hellert W, Fern�ndez-Alvira JM, Le Donne C, De Henauw S, De Vriendt T, Phillipp K, B�ghin L, Manios Y, Hallstr�m L, Poortvliet E, Matthys C, Plada M, Nagy E, Moreno LA, on behalf of the HELENA Study Group.
Development and evaluation of a self-administered computerized 24-hour dietary recall method for adolescents in Europe. Int J Obes (London) 2008; 32 (Suppl 5): S26-S36.
 PDF DocumentKersting M, Sichert-Hellert W, Vereecken CA, Diehl J, B�ghin L, DeHenauw S, Grammatikaki E, Manios Y, Mesana MI, Papadaki A, Phillip K, Plada M, Poorvliet E, Sette S.
Food and nutrient intake, nutritional knowledge and diet-related eating attitudes in European adolescents. Int J Obes (London) 2008; 32 (Suppl 5): S35-S41.
 PDF DocumentHagstr�mer M, Bergman P, De Bourdeaudhuij I, Ortega FB, Ruiz JR, Manios Y, Rey-L�pez JP, Phillipp K, von Berlepsch J, Sj�str�m M, on behalf of the HELENA Study Group.
Concurrent validity of a modified version of the International Physical Activity Questionnaire (IPAQ-A) in European adolescents � The HELENA Study. Int J Obes (London) 2008; 32 (Suppl 5): S42-S48.
 PDF DocumentOrtega FB, Garc�a-Artero E, Ruiz JR, Vicente-Rodriguez G, Bergman P, Hagstr�mer M, Ottevaere C, Nagy E, Konsta O, Rey-L�pez JP, Polito A, Dietrich S, Plada M, B�ghin L, Manios Y, Sj�str�m M, Castillo MJ, on behalf of the HELENA study group.
Reliability of health-related physical fitness tests in European adolescents. The HELENA study. Int J Obes (London) 2008; 32 (Suppl 5): S49-S57.
 PDF DocumentNagy E, Vicente-Rodriguez G, Manios Y, B�ghin L, Iliescu C, Censi L, Dietrich S, Ortega FB, De Vriendt T, Plada M, Moreno LA, Molnar D, on behalf of the HELENA Study Group.
Harmonization process and reliability assessment of anthropometric measurements in a multicenter study in adolescents. Int J Obes (London) 2008; 32 (Suppl 5): S58-S65.
 PDF DocumentGonz�lez-Gross M, Breidenassel C, G�mez S, Ferrari M, B�ghin L, Spinneker A, D�az L, Maiani G, Demailly A, Al-Tahan J, Albers U, W�rnberg J, Stoffel-Wagner B, Jim�nez-Pav�n D, Libersa C, Pietrzik K, Marcos A, Stehle P, on behalf of the HELENA study group.
Sampling and processing of fresh blood samples within a European multicenter nutritional study: Evaluation of biomarker stability during transport and storage. Int J Obes (London) 2008; 32 (Suppl 5): S66-S75.
 PDF DocumentMaes L, Vereecken CA, Gedrich K, Rieken K, Sichert-Hellert W, De Bourdeaudhuij I, Kersting M, Manios Y, Plada M, Hagstr�mer M, Dietrich S, Matthys C, on behalf of the HELENA Study Group.
A feasibility study of using a diet optimization approach in a web-based computer-tailoring intervention for adolescents Int J Obes (London) 2008; 32 (Suppl 5): S76-S81.
 PDF DocumentRuiz JR, Ramirez-Lechuga J, Ortega FB, Castro-Pi�ero J, Benitez JM, Arauzo-Azofra A, Sanchez C, Sj�str�m M, Castillo MJ, Gutierrez A, Zabala M on behalf of the HELENA Study Group
Artificial neural network-based equation for estimating VO2max from the 20 m shuttle run test in adolescents. Artificial Intelligence in Medicine (2008).
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Moreno LA, Gonz�lez-Gross M, Kersting M, Molna D, De Henauw S, Beghin L, Sj�str�m M, Hagstr�mer M, Manios Y, Gilbert CC, Ortega FB, Dallongeville J, Arcella D, W�rnberg J, Hallberg M, Fredriksson H, Maes L, Widhalm K, Kafatos AG and Marcos A, on behalf of the HELENA Study Group

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. Publ Health Nutr: 11(3), 288�299.
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De Henauw S, Gottrand F, De Bourdeaudhuij I, Gonzalez-Gross M, Leclercq C, Kafatos A, Molnar D, Marcos A, Castillo M, Dallongeville J, Gilbert C, Bergman P, Widhalm K, Manios Y, Breidenassel C, Kersting M, Moreno LA on behalf of the HELENA Study Group.

Nutritional status and lifestyles of adolescents in a public health perspective.
The HELENA Project – Healthy Lifestyle in Europe by Nutrition in Adolescence. J Publ Health 2007; 15: 187-197.
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Ruiz JR, España-Romero V, Ortega FB,  Sjöström M, Castillo MJ, Gutierrez A on behalf of the HELENA Study Group
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Hand-size influences optimal grip span in young healthy subjects. J Hand Surg 2006; 31A: 1367-1372.
 PDF DocumentRuiz JR, Ortega FB, Gutiérrez A, Meusel D, Sjöström M, Castillo MJ.
Health-related fitness assessment in childhood and adolescence: a European approach based on the AVENA, EYHS and HELENA studies. J Public Health 2006; 14: 269-277.
 PDF DocumentMoreno LA, Kersting M, de Henauw S, González-Gross M, Sichert-Hellert W, Matthys C, Mesana MI, Ross N.
How to measure dietary intake and food habits in adolescence? – the European perspective.
Int J Obes Relat Metab Disord 2005; 29 (Suppl 2): S66-S77.
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National Publications

  Vicente-Rodriguez G, Libersa C, Mesana MI, Béghin L, Iliescu C, Moreno LA, Dallongeville J, Gottrand F, on behalf of the HELENA study group.
Healthy Lifestyle by Nutrition in Adolescence (HELENA). A New EU Funded Project.
Thérapie 2007; 62: 259-270.
 
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Kersting M, Breidenassel C, Sichert-Hellert W, Koeppen E, Gedrich K, Rieken K, Pietrzik K, Gonzalez-Gross M, Stehle P, im Namen der HELENA-Studiengruppe.

HELENA. Healthy Lifestyle in Europe by Nutrition in Adolescente. Ernährung 2007; 1: 17-22.
 PDF DocumentMoreno LA, González-Gross M, Marcos A, Jiménez-Pavón D, Sánchez MJ, Mesana MI, Gómez S, Vicente-Rodríguez G, Diaz LE, Castillo MJ, en representación del grupo HELENA.
Promocionando un estilo de vida saludable en los adolescentes europeos mediante el ejercicio y la nutricións. El proyecto HELENA Selección 2007; 16: 13-17.
 PDF DocumentDietrich S,  Phillipp K, Widhalm K. Das HELENA Projekt. J Ernmed 2007; 1: 19-21.
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