J R Ruiz

Summary

Affiliation: University of Granada
Country: Spain

Publications

  1. ncbi Cardiovascular fitness in adolescents: the influence of sexual maturation status-the AVENA and EYHS studies
    Francisco B Ortega
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, 14157 Huddinge, Sweden
    Am J Hum Biol 19:801-8. 2007
  2. doi Supervised exercise-based intervention to prevent excessive gestational weight gain: a randomized controlled trial
    Jonatan R Ruiz
    PROmoting FITness and Health through physical activity research group, Department of Physical Education and Sports, School of Sport Sciences, University of Granada, Granada, Spain Electronic address
    Mayo Clin Proc 88:1388-97. 2013
  3. doi ACTN3 genotype in Spanish elite swimmers: no "heterozygous advantage"
    J R Ruiz
    Department of Physical Education and Sport, School of Sport Sciences, University of Granada, Granada, Spain
    Scand J Med Sci Sports 23:e162-7. 2013
  4. pmc Are centenarians genetically predisposed to lower disease risk?
    Jonatan R Ruiz
    Department of Physical Education and Sport, School of Physical Activity and Sport Sciences, University of Granada, Granada, Spain
    Age (Dordr) 34:1269-83. 2012
  5. pmc Land- and water-based exercise intervention in women with fibromyalgia: the al-Andalus physical activity randomised controlled trial
    Ana Carbonell-Baeza
    Department of Physical Education and Sport, School of Sport Sciences, University of Granada, Granada, Spain
    BMC Musculoskelet Disord 13:18. 2012
  6. doi ACTN3 R577X polymorphism does not influence explosive leg muscle power in elite volleyball players
    J R Ruiz
    Department of Biosciences and Nutrition, Unit for Preventive Nutrition, Karolinska Institutet, Stockholm, Sweden
    Scand J Med Sci Sports 21:e34-41. 2011
  7. pmc Stability of the factorial structure of metabolic syndrome from childhood to adolescence: a 6-year follow-up study
    Vicente Martínez-Vizcaíno
    Social and Health Care Research Center, University of Castilla La Mancha, Cuenca, Spain
    Cardiovasc Diabetol 10:81. 2011
  8. pmc Health enhancing strength training in nonagenarians (STRONG): rationale, design and methods
    José A Serra Rexach
    Department of Physiology, Universidad Europea de Madrid, Madrid, Spain
    BMC Public Health 9:152. 2009
  9. pmc Suggestive evidence of associations between liver X receptor β polymorphisms with type 2 diabetes mellitus and obesity in three cohort studies: HUNT2 (Norway), MONICA (France) and HELENA (Europe)
    Karianne Solaas
    Department of Endocrinology, Oslo University Hospital, Aker, Oslo, Norway
    BMC Med Genet 11:144. 2010
  10. doi Can we identify a power-oriented polygenic profile?
    Jonatan R Ruiz
    Dept of Biosciences and Nutrition at NOVUM, Unit for Preventive Nutrition, Karolinska Institutet, Huddinge 14157, Sweden
    J Appl Physiol (1985) 108:561-6. 2010

Detail Information

Publications109 found, 100 shown here

  1. ncbi Cardiovascular fitness in adolescents: the influence of sexual maturation status-the AVENA and EYHS studies
    Francisco B Ortega
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, 14157 Huddinge, Sweden
    Am J Hum Biol 19:801-8. 2007
    ..05). These results suggest that for CVF comparisons and interpretation in adolescent populations, sexual maturation status and BF%, as well as the way to express the CVF, should be taken into account...
  2. doi Supervised exercise-based intervention to prevent excessive gestational weight gain: a randomized controlled trial
    Jonatan R Ruiz
    PROmoting FITness and Health through physical activity research group, Department of Physical Education and Sports, School of Sport Sciences, University of Granada, Granada, Spain Electronic address
    Mayo Clin Proc 88:1388-97. 2013
    ..To study the effect on maternal weight gain of a supervised light- to moderate-intensity exercise-based intervention performed from the ninth week of pregnancy...
  3. doi ACTN3 genotype in Spanish elite swimmers: no "heterozygous advantage"
    J R Ruiz
    Department of Physical Education and Sport, School of Sport Sciences, University of Granada, Granada, Spain
    Scand J Med Sci Sports 23:e162-7. 2013
    ....
  4. pmc Are centenarians genetically predisposed to lower disease risk?
    Jonatan R Ruiz
    Department of Physical Education and Sport, School of Physical Activity and Sport Sciences, University of Granada, Granada, Spain
    Age (Dordr) 34:1269-83. 2012
    ..The wild-type (i.e., functional) genotype of GSTT1, which is associated with lower cancer risk, might be associated with exceptional longevity, yet further studies with larger sample sizes must confirm these findings...
  5. pmc Land- and water-based exercise intervention in women with fibromyalgia: the al-Andalus physical activity randomised controlled trial
    Ana Carbonell-Baeza
    Department of Physical Education and Sport, School of Sport Sciences, University of Granada, Granada, Spain
    BMC Musculoskelet Disord 13:18. 2012
    ....
  6. doi ACTN3 R577X polymorphism does not influence explosive leg muscle power in elite volleyball players
    J R Ruiz
    Department of Biosciences and Nutrition, Unit for Preventive Nutrition, Karolinska Institutet, Stockholm, Sweden
    Scand J Med Sci Sports 21:e34-41. 2011
    ..In summary, these findings suggest that the ACTN3 R577X polymorphism does not influence explosive leg muscle power in elite volleyball players...
  7. pmc Stability of the factorial structure of metabolic syndrome from childhood to adolescence: a 6-year follow-up study
    Vicente Martínez-Vizcaíno
    Social and Health Care Research Center, University of Castilla La Mancha, Cuenca, Spain
    Cardiovasc Diabetol 10:81. 2011
    ..There is no consistent evidence on whether the MS construct works in the same way in different populations and at different stages in life...
  8. pmc Health enhancing strength training in nonagenarians (STRONG): rationale, design and methods
    José A Serra Rexach
    Department of Physiology, Universidad Europea de Madrid, Madrid, Spain
    BMC Public Health 9:152. 2009
    ....
  9. pmc Suggestive evidence of associations between liver X receptor β polymorphisms with type 2 diabetes mellitus and obesity in three cohort studies: HUNT2 (Norway), MONICA (France) and HELENA (Europe)
    Karianne Solaas
    Department of Endocrinology, Oslo University Hospital, Aker, Oslo, Norway
    BMC Med Genet 11:144. 2010
    ..We aimed to assess the associations between single nucleotide polymorphisms (SNPs) in LXRβ and risk of type 2 diabetes mellitus (T2DM), obesity and related traits in 3 separate cohort studies...
  10. doi Can we identify a power-oriented polygenic profile?
    Jonatan R Ruiz
    Dept of Biosciences and Nutrition at NOVUM, Unit for Preventive Nutrition, Karolinska Institutet, Huddinge 14157, Sweden
    J Appl Physiol (1985) 108:561-6. 2010
    ..e., approximately 0.2% (or 1 in 500 Spanish individuals). We have identified a polygenic profile that allows us, at least partly, to distinguish elite power athletes from both endurance athletes and nonathletic population...
  11. ncbi Reference values for serum lipids and lipoproteins in Spanish adolescents: the AVENA study
    Jonatan R Ruiz
    Departamento de Fisiologia, Facultad de Medicina, Universidad de Granada, Spain
    Soz Praventivmed 51:99-109. 2006
    ..To provide current reference values for serum lipid and lipoprotein levels in Spanish adolescents according to age and sex...
  12. doi Field-based fitness assessment in young people: the ALPHA health-related fitness test battery for children and adolescents
    Jonatan R Ruiz
    Department of Physiology, School of Medicine, University of Granada, Granada, Spain
    Br J Sports Med 45:518-24. 2011
    ..In conclusion, the ALPHA fitness tests battery is valid, reliable, feasible and safe for the assessment of health-related physical fitness in children and adolescents to be used for health monitoring purposes at population level...
  13. doi Predictive validity of health-related fitness in youth: a systematic review
    J R Ruiz
    Department of Biosciences and Nutrition, Novum, Huddinge, Sweden
    Br J Sports Med 43:909-23. 2009
    ..Due to a limited number of studies, inconclusive evidence emerged for a relationship between muscular strength or motor fitness and CVD risk factors, and between flexibility and low back pain...
  14. ncbi Inflammatory proteins and muscle strength in adolescents: the Avena study
    Jonatan R Ruiz
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, Huddinge, Sweden
    Arch Pediatr Adolesc Med 162:462-8. 2008
    ..To examine the associations between inflammatory proteins and muscle strength and to determine whether this association varies between overweight and nonoverweight adolescents...
  15. pmc Association between muscular strength and mortality in men: prospective cohort study
    Jonatan R Ruiz
    Department of Biosciences and Nutrition at Novum, Unit for Preventive Nutrition, Karolinska Institutet, Huddinge, Sweden
    BMJ 337:a439. 2008
    ..To examine prospectively the association between muscular strength and mortality from all causes, cardiovascular disease, and cancer in men...
  16. doi Artificial neural network-based equation for estimating VO2max from the 20 m shuttle run test in adolescents
    Jonatan R Ruiz
    Department of Physiology, School of Medicine, University of Granada, Granada 18012, Spain
    Artif Intell Med 44:233-45. 2008
    ..To develop an artificial neural network (ANN)-equation to estimate maximal oxygen uptake (VO(2max)) from 20m shuttle run test (20 mSRT) performance (stage), sex, age, weight, and height in young persons...
  17. ncbi Physical activity, fitness, weight status, and cognitive performance in adolescents
    Jonatan R Ruiz
    Department of Medical Physiology, School of Medicine, University of Granada, Granada, Spain
    J Pediatr 157:917-922.e1-5. 2010
    ..To examine the association of participation in physical sports activity during leisure time, sedentary behaviors, cardiorespiratory and muscular fitness, and weight status with cognitive performance in Spanish adolescents...
  18. ncbi Attenuation of the effect of the FTO rs9939609 polymorphism on total and central body fat by physical activity in adolescents: the HELENA study
    Jonatan R Ruiz
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, Huddinge, Sweden
    Arch Pediatr Adolesc Med 164:328-33. 2010
    ..To examine whether physical activity attenuates the effect of the FTO rs9939609 polymorphism on body fat estimates in adolescents...
  19. pmc Birth weight and blood lipid levels in Spanish adolescents: influence of selected APOE, APOC3 and PPARgamma2 gene polymorphisms. The AVENA Study
    Jonatan R Ruiz
    Department of Medical Physiology, School of Medicine, University of Granada, 18071 Granada, Spain
    BMC Med Genet 9:98. 2008
    ..5 years...
  20. pmc Muscular strength and adiposity as predictors of adulthood cancer mortality in men
    Jonatan R Ruiz
    Department of Biosciences and Nutrition, Karolinska Institutet, Sweden
    Cancer Epidemiol Biomarkers Prev 18:1468-76. 2009
    ..We examined the associations between muscular strength, markers of overall and central adiposity, and cancer mortality in men...
  21. ncbi Individual and combined effects of ApoE and MTHFR 677C/T polymorphisms on cognitive performance in Spanish adolescents: the AVENA study
    Jonatan R Ruiz
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, Huddinge, Sweden
    J Pediatr 156:978-84, 984.e1. 2010
    ..To examine the individual and combined associations of ApoE and MTHFR 677C/T polymorphisms with cognitive performance in adolescents...
  22. ncbi Criterion-related validity of the 20-m shuttle run test in youths aged 13-19 years
    Jonatan R Ruiz
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition, Novum, Karolinska Institute, Huddinge, Sweden
    J Sports Sci 27:899-906. 2009
    ..g., population-based studies) using different equations. The results of the present study suggest that Barnett's (b) equation provides the closest agreement with directly measured VO2max (cardiorespiratory fitness) in youth...
  23. ncbi The -174 G/C polymorphism of the IL6 gene is associated with elite power performance
    Jonatan R Ruiz
    Department of Biosciences and Nutrition, Unit for Preventive Nutrition, Karolinska Institutet, Stockholm, Sweden
    J Sci Med Sport 13:549-53. 2010
    ..We did not find differences between the control and endurance athlete groups. In summary, our findings suggest that the G allele of the IL6 -174 G/C polymorphism might favour sprint/power sports performance...
  24. ncbi Body fat is associated with blood pressure in school-aged girls with low cardiorespiratory fitness: the European Youth Heart Study
    Jonatan R Ruiz
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, Huddinge, Sweden
    J Hypertens 25:2027-34. 2007
    ..To examine the association between anthropometric measurements of total and central adiposity and blood pressure in school-aged children, and to study whether these associations are modified by the levels of cardiorespiratory fitness...
  25. ncbi Markers of insulin resistance are associated with fatness and fitness in school-aged children: the European Youth Heart Study
    J R Ruiz
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition, Novum, Karolinska Institutet, 14157, Huddinge, Sweden
    Diabetologia 50:1401-8. 2007
    ....
  26. ncbi Hand span influences optimal grip span in male and female teenagers
    Jonatan R Ruiz
    Department of Physiology, School of Medicine, University of Granada, Granada, Spain
    J Hand Surg Am 31:1367-72. 2006
    ..If they are related then the second aim was to derive a mathematic equation relating hand span and optimal grip span...
  27. ncbi High cardiovascular fitness is associated with low metabolic risk score in children: the European Youth Heart Study
    Jonatan R Ruiz
    Department of Biosciences and Nutrition, Unit for Preventive Nutrition, Novum, Karolinska Institutet, Huddinge, 14157, Sweden
    Pediatr Res 61:350-5. 2007
    ..In conclusion, the results suggest a hypothetical CVF level for having a low metabolic risk, which should be further tested in longitudinal and/or intervention studies...
  28. ncbi Cardiovascular fitness is negatively associated with homocysteine levels in female adolescents
    Jonatan R Ruiz
    Department of Medical Physiology, School of Medicine, University of Granada, Spain
    Arch Pediatr Adolesc Med 161:166-71. 2007
    ..To examine the association between cardiovascular fitness and homocysteine levels in adolescents...
  29. ncbi Homocysteine levels in children and adolescents are associated with the methylenetetrahydrofolate reductase 677C>T genotype, but not with physical activity, fitness or fatness: the European Youth Heart Study
    Jonatan R Ruiz
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, Huddinge, Sweden
    Br J Nutr 97:255-62. 2007
    ....
  30. ncbi Serum lipids, body mass index and waist circumference during pubertal development in Spanish adolescents: the AVENA Study
    J R Ruiz
    Departamento de Fisiologia, Facultad de Medicina, Universidad de Granada, Granada, Spain
    Horm Metab Res 38:832-7. 2006
    ..To describe the effects of chronological age and biological age (pubertal development) on serum lipid and lipoprotein levels, body mass index (BMI) and waist circumference in Spanish adolescents...
  31. ncbi Increased susceptibility to plasma lipid peroxidation in untrained subjects after an extreme mountain bike challenge at moderate altitude
    J R Ruiz
    Department of Medical Physiology, School of Medicine, University of Granada, Spain
    Int J Sports Med 27:587-9. 2006
    ..8 %. We concluded that strenuous physical exercise partially performed under hypoxic conditions increases the susceptibility of plasma lipids to peroxidation in untrained subjects...
  32. ncbi [Sports requiring stressful physical exertion cause abnormalities in plasma lipid profile]
    Jonatan R Ruiz
    Departamento de Fisiologia Medica, Facultad de Medicina, Universidad de Granada, Granada, Espana
    Rev Esp Cardiol 57:499-506. 2004
    ..For other variables the cutoff points were the third quartile values recorded in the control group, except for apo A-I and HDLc, for which we used the first quartile values...
  33. doi Fitness, fatness and cardiovascular profile in South Spanish and North Moroccan women
    V A Aparicio
    Department of Physiology and Institute of Nutrition and Food Technology, University of Granada, Granada, Spain
    Nutr Hosp 27:227-31. 2012
    ..We studied the differences on physical fitness, fatness and cardiovascular profile in Spanish and Moroccan women...
  34. pmc Is there an optimum endurance polygenic profile?
    Jonatan R Ruiz
    Department of Biosciences and Nutrition at Novum, Karolinska Institutet, Huddinge, Sweden
    J Physiol 587:1527-34. 2009
    ..Other polymorphisms yet undiscovered as well as several factors independent of genetic endowment may explain why some individuals reach the upper end of the endurance performance continuum...
  35. ncbi Fibromyalgia's key symptoms in normal-weight, overweight, and obese female patients
    V A Aparicio
    Department of Physical Education and Sport, School of Physical Activity and Sports Sciences, University of Granada, Granada, Spain Department of Biosciences and Nutrition, Unit for Preventive Nutrition, Novum, Karolinska Institutet, Stockholm Sweden Department of Physiology and Institute of Nutrition and Food Technology, University of Granada, Granada, Spain Electronic address
    Pain Manag Nurs 14:268-76. 2013
    ..These findings suggest that keeping a healthy (normal) weight is not only associated with decreased risk for developing FM but might also be a relevant and useful way of improving FM symptomatology in women. ..
  36. doi Role of socio-cultural factors on changes in fitness and adiposity in youth: a 6-year follow-up study
    F B Ortega
    Department of Biosciences and Nutrition at Novum, Karolinska Institutet, Huddinge, Sweden Department of Medical Physiology, School of Medicine, University of Granada, Granada, Spain Department of Physical Education and Sport, School of Sport Sciences, University of Granada, Granada, Spain Electronic address
    Nutr Metab Cardiovasc Dis 23:883-90. 2013
    ..We analysed changes in fitness and adiposity in young individuals from two countries, and examined the role of maternal education in these changes...
  37. ncbi Health-related physical fitness according to chronological and biological age in adolescents. The AVENA study
    F B Ortega
    Department of Physiology, School of Medicine, University of Granada, Granada, Spain
    J Sports Med Phys Fitness 48:371-9. 2008
    ..The aim of the present study was to determine the levels of several health-related physical fitness components with respect to chronological and biological age (sexual maturation status) in Spanish adolescents...
  38. doi Cardiorespiratory fitness and dietary intake in European adolescents: the Healthy Lifestyle in Europe by Nutrition in Adolescence study
    M Cuenca-Garcia
    Department of Medical Physiology, School of Medicine, Granada University, Avenida de Madrid s n, 18012 Granada, Spain
    Br J Nutr 107:1850-9. 2012
    ..The present findings contribute to the understanding of the relationships between dietary factors and physiological health indicators such as CRF...
  39. doi Fitness, fatness and cardiovascular profile in South Spanish and North Moroccan women
    V A Aparicio
    Department of Physiology, Institute of Nutrition and Food Technology, University of Granada, Granada, Spain
    Nutr Hosp 26:1188-92. 2011
    ..We studied the differences on physical fitness, fatness and cardiovascular profile in Spanish and Moroccan women...
  40. doi Reliability of field-based fitness tests in youth
    E G Artero
    EFFECTS 262 Research Group, Department of Physiology, School of Medicine, University of Granada, Avenida Madrid s n, Granada, Spain
    Int J Sports Med 32:159-69. 2011
    ....
  41. ncbi Anthropometric determinants of a clustering of lipid-related metabolic risk factors in overweight and non-overweight adolescents--influence of cardiorespiratory fitness. The Avena study
    Jose L Mesa
    Department of Medical Physiology, School of Medicine, University of Granada, Granada, Spain
    Ann Nutr Metab 50:519-27. 2006
    ....
  42. doi Reliability of health-related physical fitness tests in European adolescents. The HELENA Study
    F B Ortega
    Department of Physiology, School of Medicine, University of Granada, Granada, Spain
    Int J Obes (Lond) 32:S49-57. 2008
    ..To examine the reliability of a set of health-related physical fitness tests used in the European Union-funded Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) Study on lifestyle and nutrition among adolescents...
  43. doi Short sleep duration is associated with increased obesity markers in European adolescents: effect of physical activity and dietary habits. The HELENA study
    M Garaulet
    Department of Physiology, University of Murcia, Campus de Espinardo s n, Murcia, Spain
    Int J Obes (Lond) 35:1308-17. 2011
    ..Adequate sleep is a critical factor for adolescent's health and health-related behaviors...
  44. ncbi Associations of low-grade inflammation with physical activity, fitness and fatness in prepubertal children; the European Youth Heart Study
    J R Ruiz
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, 14157 Huddinge, Sweden
    Int J Obes (Lond) 31:1545-51. 2007
    ..To examine the associations of low-grade inflammation with objectively measured physical activity, cardiovascular fitness (CVF) and fatness in prepubertal children...
  45. doi Fitness testing as a discriminative tool for the diagnosis and monitoring of fibromyalgia
    V A Aparicio
    Department of Physical Education and Sport, School of Sports Sciences, University of Granada, Granada, Spain
    Scand J Med Sci Sports 23:415-23. 2013
    ..Physical fitness in general, and particularly the 30-s chair stand test, is able to discriminate between women with FM from those without FM, as well as between those with moderate FM from their peers with severe FM. ..
  46. ncbi [ALPHA-fitness test battery: health-related field-based fitness tests assessment in children and adolescents]
    J R Ruiz
    Departamento de Educación Física y Deportiva, Facultad de Ciencias de Actividad Física y Deporte, Universidad de Granada, Granada, Espana
    Nutr Hosp 26:1210-4. 2011
    ....
  47. doi Physical fitness levels among European adolescents: the HELENA study
    F B Ortega
    Department of Physiology, University of Granada, Spain
    Br J Sports Med 45:20-9. 2011
    ..To report sex- and age-specific physical fitness levels in European adolescents...
  48. ncbi Associations between physical activity, body fat, and insulin resistance (homeostasis model assessment) in adolescents: the European Youth Heart Study
    Nico S Rizzo
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition, Novum, Karolinska Institutet, Huddinge, Sweden
    Am J Clin Nutr 87:586-92. 2008
    ..More and better data are needed to understand the action of physical activity (PA) on insulin resistance and the concomitant relation with body fat in adolescence...
  49. ncbi Effectiveness of multidisciplinary therapy on symptomatology and quality of life in women with fibromyalgia
    A Carbonell-Baeza
    Department of Physical Education and Sport, University of Granada, Granada, Spain
    Clin Exp Rheumatol 29:S97-103. 2011
    ..To study the effects of a 3-month multidisciplinary intervention based on exercise and psychological therapy on symptomatology and quality of life in women with fibromyalgia...
  50. doi Health-related fitness in adolescents: underweight, and not only overweight, as an influencing factor. The AVENA study
    E G Artero
    Department of Physiology, School of Medicine, University of Granada, Granada, Spain
    Scand J Med Sci Sports 20:418-27. 2010
    ..In conclusion, not only overweight and obesity but also underweight seem to be determinants of health-related fitness in adolescents. The associations could be related to differences in body composition...
  51. ncbi Relations of total physical activity and intensity to fitness and fatness in children: the European Youth Heart Study
    Jonatan R Ruiz
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, Huddinge, Sweden
    Am J Clin Nutr 84:299-303. 2006
    ..It is unclear how the amount and intensity of physical activity (PA) are associated with cardiovascular fitness (CVF) and body fatness in children...
  52. ncbi A warm water pool-based exercise program decreases immediate pain in female fibromyalgia patients: uncontrolled clinical trial
    V Segura-Jiménez
    Department of Physical Education and Sports, School of Sport Sciences, University of Granada, Granada, Spain
    Int J Sports Med 34:600-5. 2013
    ..Improvements were higher in older women and in those with more intense pain. ..
  53. doi Cardiovascular fitness modifies the associations between physical activity and abdominal adiposity in children and adolescents: the European Youth Heart Study
    F B Ortega
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition at Novum, Karolinska Institutet, 14157 Huddinge, Sweden
    Br J Sports Med 44:256-62. 2010
    ..To examine the associations between physical activity (PA) and abdominal adiposity, as measured by waist circumference, in children and adolescents, and to test whether cardiovascular fitness (CVF) modifies these associations...
  54. doi Assessing health-related fitness tests in the school setting: reliability, feasibility and safety; the ALPHA Study
    V España-Romero
    University of Granada, Department of Medical Physiology, School of Medicine, Granada, Spain
    Int J Sports Med 31:490-7. 2010
    ..The feasibility and safety items assessed presented a successful answer. Therefore, the results indicate that health-related fitness tests administered by PE teachers are reliable, feasible and safe to be performed in the school setting...
  55. doi Associations between physical activity, fitness, and academic achievement
    Lydia Kwak
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition, Karolinska Institute, Huddinge, Sweden
    J Pediatr 155:914-918.e1. 2009
    ..To explore the associations between objectively assessed intensity levels of physical activity and academic achievement and test whether cardiovascular fitness mediates the association between physical activity and academic achievement...
  56. doi GNB3 C825T Polymorphism and elite athletic status: A replication study with two ethnic groups
    J R Ruiz
    Karolinska Institutet, Department of Biosciences and Nutrition at Novum, Huddinge, Sweden
    Int J Sports Med 32:151-3. 2011
    ..Our findings support the need to corroborate genotype:phenotype associations in the field of sports genetics with the largest possible population samples, including populations of different ethnic backgrounds...
  57. ncbi Usefulness of tenderness to characterise fibromyalgia severity in women
    V A Aparicio
    Department of Physical Education and Sport, School of Sports Sciences, University of Granada, Spain
    Clin Exp Rheumatol 29:S28-33. 2011
    ..To investigate the usefulness of tenderness (tender points count (TPC) and algometer score) to characterise fibromyalgia (FM) severity and symptomatology in women...
  58. doi Concurrent validity of a modified version of the International Physical Activity Questionnaire (IPAQ-A) in European adolescents: The HELENA Study
    M Hagstromer
    Department of Biosciences and Nutrition, Unit for Preventive Nutrition, Karolinska Institutet, Stockholm, Sweden
    Int J Obes (Lond) 32:S42-8. 2008
    ..This study explores the concurrent validity of a modified version of the long IPAQ (the IPAQ-A) for the assessment of physical activity among adolescents...
  59. ncbi Cardiorespiratory fitness relates more strongly than physical activity to cardiovascular disease risk factors in healthy children and adolescents: the European Youth Heart Study
    Anita Hurtig-Wennlof
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition, Karolinska Institutet, Orebro University, Sweden
    Eur J Cardiovasc Prev Rehabil 14:575-81. 2007
    ....
  60. ncbi Acute exposure to moderate high altitude decreases growth hormone response to physical exercise in untrained subjects
    A Gutierrez
    Department of Physiology, School of Medicine and School of Sport Sciences, University of Granada, Granada, Spain
    J Sports Med Phys Fitness 43:554-8. 2003
    ..This study aims at investigating the growth hormone (GH) response to submaximal exercise after acute exposure to moderate high altitude...
  61. ncbi Physical fitness in childhood and adolescence: a powerful marker of health
    F B Ortega
    Department of Physiology, School of Medicine, University of Granada, Granada, Spain
    Int J Obes (Lond) 32:1-11. 2008
    ..Schools may play an important role by identifying children with low physical fitness and by promoting positive health behaviors such as encouraging children to be active, with special emphasis on the intensity of the activity...
  62. ncbi Aerobic physical fitness in relation to blood lipids and fasting glycaemia in adolescents: influence of weight status
    Jose L Mesa
    Department of Medical Physiology, School of Medicine, University of Granada, Granada 18071, Spain
    Nutr Metab Cardiovasc Dis 16:285-93. 2006
    ..We explored the associations between aerobic physical fitness with blood lipids and a composite index of blood lipids and fasting glycaemia in adolescents, analysing possible interactions with weight status...
  63. doi The C allele of the AGT Met235Thr polymorphism is associated with power sports performance
    Félix Gómez-Gallego
    Department of Physiology, Universidad Europea de Madrid, Madrid, Spain
    Appl Physiol Nutr Metab 34:1108-11. 2009
    ..In summary, the C allele of the AGT Met235Thr polymorphism might favour power sports performance. Although more research is needed, this could be attributed to the higher activity of angiotensin II, a skeletal muscle growth factor...
  64. ncbi Relationship of physical activity, fitness, and fatness with clustered metabolic risk in children and adolescents: the European youth heart study
    Nico S Rizzo
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition, Novum, Karolinska Institutet, Huddinge, Sweden
    J Pediatr 150:388-94. 2007
    ..To examine the associations of physical activity (PA) at different levels and intensities and cardiorespiratory fitness (CRF) with a clustering of metabolic risk factors in children and adolescents with special consideration of body fat...
  65. ncbi Combined influence of healthy diet and active lifestyle on cardiovascular disease risk factors in adolescents
    M Cuenca-Garcia
    Department of Medical Physiology, School of Medicine, University of Granada, Granada, Spain Unit for Preventive Nutrition, Department of Biosciences and Nutrition, Institute of Karolinska, Huddinge, Sweden
    Scand J Med Sci Sports 24:553-62. 2014
    ..02). Thus, a combination of healthy diet and active lifestyle is associated with decreased CVD risk in adolescents. Moreover, an active lifestyle may reduce the adverse consequences of an unhealthy diet...
  66. ncbi [Egg intake and cardiovascular risk factors in adolescents: role of physical activity; the HELENA study]
    A Soriano-Maldonado
    Departamento de Fisiologia Medica, Facultad de Medicina, Universidad de Granada, Espana
    Nutr Hosp 28:868-77. 2013
    ..Serum cholesterol levels have been related to cardiovascular disease (CVD). Egg intake has been indirectly related to the risk of developing CVD because of its high cholesterol content...
  67. doi Association between the FTO rs9939609 polymorphism and leptin in European adolescents: a possible link with energy balance control. The HELENA study
    I Labayen
    Department of Nutrition and Food Science, University of the Basque Country, Vitoria, Spain
    Int J Obes (Lond) 35:66-71. 2011
    ..These findings could link the FTO gene with serum leptin and consequently with the control of energy balance. Leptin could be a possible intermediary contributing to the association between the FTO rs9939609 polymorphism and adiposity...
  68. ncbi [Increase in cigarette smoking and decrease in the level of physical activity among Spanish adolescentes. AVENA study]
    P Tercedor
    Departamento de Educación Física y Deportiva, Facultad de Ciencias de la Actividad Física y del Depote, Universidad de Granada, Espana
    Nutr Hosp 22:89-94. 2007
    ..Cigarette smoking among adolescents as well as the level of physical activity constitutes a public health care issue. The aim is knowing the relationship between cigarette smoking and practice of physical activity...
  69. doi Preliminary findings on the role of PLIN1 polymorphisms on body composition and energy metabolism response to energy restriction in obese women
    J R Ruiz
    Department of Physical Education and Sport, School of Physical Activity and Sport Sciences, University of Granada, Granada, Spain
    Br J Nutr 106:486-90. 2011
    ..These results confirm and extend previous findings suggesting that the PLIN1 11482G>A polymorphism plays a modulating role on diet-induced changes in body fat and energy metabolism in obese women...
  70. ncbi Extreme mountain bike challenges may induce sub-clinical myocardial damage
    F B Ortega
    Research Group EFFECTS 262, Sotogrande Health Experience, Department of Medical Physiology, School of Medicine, University of Granada, Granada, Spain
    J Sports Med Phys Fitness 46:489-93. 2006
    ..The aim of the present study was to determine whether strenuous endurance exercise, performed under conditions in which the partial pressure of environmental oxygen varies constantly, can induce myocardial cell injury...
  71. doi Role of cardiorespiratory fitness on the association between physical activity and abdominal fat content in adolescents: the HELENA study
    V España-Romero
    Department of Medical Physiology, School of Medicine, University of Granada, Granada, Spain
    Int J Sports Med 31:679-82. 2010
    ..The findings indicate that there is not a clear interaction effect of CRF in the association between PA and abdominal fat in adolescents, yet slightly stronger association was observed in the low fit group...
  72. ncbi Variations in folate pathway genes are associated with unexplained female infertility
    Signe Altmäe
    Department of Clinical Science, Division of Obstetrics and Gynecology, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden
    Fertil Steril 94:130-7. 2010
    ..To investigate associations between folate-metabolizing gene variations, folate status, and unexplained female infertility...
  73. ncbi Recommended levels of physical activity to avoid an excess of body fat in European adolescents: the HELENA Study
    David Martinez-Gomez
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition at Novum, Karolinska Institute, Huddinge, Sweden
    Am J Prev Med 39:203-11. 2010
    ..It is unclear how much physical activity is necessary to prevent obesity during adolescence...
  74. ncbi Effectiveness of Tai-Chi for decreasing acute pain in fibromyalgia patients
    V Segura-Jiménez
    Department of Physical Education and Sports, School of Sport Sciences, University of Granada, Spain
    Int J Sports Med 35:418-23. 2014
    ..In conclusion, a low-moderate intensity Tai-Chi program for 12 weeks (3 times/week) decreased levels of acute pain in fibromyalgia patients. A longer period is necessary (e. g. 24 weeks) for observing cumulative changes in pain...
  75. ncbi Socioeconomic status influences physical fitness in European adolescents independently of body fat and physical activity: the HELENA study
    D Jimenez Pavon
    Department of Health and Human Performance, Faculty of Physical Activity and Sport Sciences INEF, Universidad Politecnica de Madrid, Madrid, Spain
    Nutr Hosp 25:311-6. 2010
    ..The influence of socioeconomic status on health-related fitness is not clear...
  76. ncbi A Mediterranean diet is not enough for health: Physical fitness is an important additional contributor to health for the adults of tomorrow
    Manuel J Castillo-Garzon
    Department of Physiology, School of Medicine, University of Granada, Granada and Sotogrande Health Experience, Cadiz, Spain
    World Rev Nutr Diet 97:114-38. 2007
  77. ncbi Efficacy of Biodanza for treating women with fibromyalgia
    Ana Carbonell-Baeza
    Department of Physical Activity and Sports, School of Sport Sciences, University of Granada, Carretera de Alfacar s n, Granada, Spain
    J Altern Complement Med 16:1191-200. 2010
    ..The objective of this study was to determine the effects of a 3-month Biodanza intervention in women with fibromyalgia (FM)...
  78. pmc Psychological well-being, cardiorespiratory fitness, and long-term survival
    Francisco B Ortega
    Department of Biosciences and Nutrition at Novum, Karolinska Institutet, Huddinge, Sweden
    Am J Prev Med 39:440-8. 2010
    ..Although cardiorespiratory fitness (CRF) is one of the strongest predictors of mortality, studies examining the relationship between well-being and survival seldom account for the possible effects of CRF...
  79. doi Active commuting to school in children and adolescents: an opportunity to increase physical activity and fitness
    Palma Chillon
    Department of Physical Education and Sport, School of Physical Activity and Sport Sciences, University of Granada, Granada, Spain
    Scand J Public Health 38:873-9. 2010
    ..The purpose was to describe the patterns of commuting to school in young people and to examine its associations with physical activity (PA) and cardiorespiratory fitness...
  80. doi High fitness is associated with a healthier programming of body composition at adolescence
    Francisco B Ortega
    Department of Physiology, School of Medicine, University of Granada, 18012 Granada, Spain
    Am J Hum Biol 20:732-4. 2008
    ....
  81. doi Central adiposity in 9- and 15-year-old Swedish children from the European Youth Heart Study
    Francisco B Ortega
    Unit for Preventive Nutrition, Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden
    Int J Pediatr Obes 3:212-6. 2008
    ..More studies involving children of different ages and from different regions in Scandinavia are needed...
  82. ncbi [Physically active adolescents are more likely to have a healthier cardiovascular fitness level independently of their adiposity status. The European youth heart study]
    Francisco B Ortega
    Unidad de Nutrición Preventiva, Departamento de Biociencia y Nutrición de NOVUM, Karolinska Institutet, Huddinge, Suecia
    Rev Esp Cardiol 61:123-9. 2008
    ..The main purpose of this study was to examine whether meeting the current physical activity (PA) recommendations is associated with a healthier CVF level in adolescents...
  83. pmc Anti-aging therapy through fitness enhancement
    Manuel J Castillo-Garzon
    EFFECTS 262 Department of Medical Physiology, School of Medicine, University of Granada, Sotogrande Health Experience, Spain
    Clin Interv Aging 1:213-20. 2006
    ..Such training programs would allow people to develop their maximum physical potential, improve their physical and mental health, and attenuate the negative consequences of aging...
  84. ncbi [Lipid and metabolic profiles in adolescents are affected more by physical fitness than physical activity (AVENA study)]
    Enrique García-Artero
    Grupo Effects 262, Departamento de Fisiologia, Facultad de Medicina, Universidad de Granada, Granada, Spain
    Rev Esp Cardiol 60:581-8. 2007
    ..To determine whether the level of physical activity or physical fitness (i.e., aerobic capacity and muscle strength) in Spanish adolescents influences lipid and metabolic profiles...
  85. ncbi Cardiorespiratory fitness and sedentary activities are associated with adiposity in adolescents
    Francisco B Ortega
    Department of Medical Physiology, School of Medicine, University of Granada, Granada 18071, Spain
    Obesity (Silver Spring) 15:1589-99. 2007
    ..To determine whether physical activity, sedentary activities, and/or cardiorespiratory fitness are related to waist circumference in adolescents, as previously reported in adults...
  86. ncbi [Low level of physical fitness in Spanish adolescents. Relevance for future cardiovascular health (AVENA study)]
    Francisco B Ortega
    Departamento de Fisiologia, Facultad de Medicina, Universidad de Granada, Spain
    Rev Esp Cardiol 58:898-909. 2005
    ....
  87. doi Are muscular and cardiovascular fitness partially programmed at birth? Role of body composition
    Francisco B Ortega
    Department of Medical Physiology, School of Medicine, University of Granada, Grenada, Spain
    J Pediatr 154:61-66.e1. 2009
    ..To determine whether birth weight is associated with handgrip strength and cardiovascular fitness in adolescence and, if so, how these associations are influenced by current body composition...
  88. ncbi Body fat measurement in elite sport climbers: comparison of skinfold thickness equations with dual energy X-ray absorptiometry
    Vanesa Espana Romero
    Department of Physiology, School of Medicine, University of Granada, Granada, Spain
    J Sports Sci 27:469-77. 2009
    ..The generalizability of the results is limited by the fact that the sample was not selected at random...
  89. doi Socio-economic factors and active commuting to school in urban Spanish adolescents: the AVENA study
    Palma Chillon
    Department of Physical Education and Sport, School of Physical Activity and Sport Sciences, University of Granada, Carretera Alfacar s n, Granada, Spain
    Eur J Public Health 19:470-6. 2009
    ..This study aimed: (i) to describe the patterns of commuting to school in urban Spanish adolescents; and (ii) to examine the associations between active commuting to school (ACS) and socio-economic factors...
  90. doi Sleep patterns in Spanish adolescents: associations with TV watching and leisure-time physical activity
    Francisco B Ortega
    Department of Medical Physiology, School of Medicine, University of Granada, Granada, Spain
    Eur J Appl Physiol 110:563-73. 2010
    ..49, 1.64-3.79). We conclude that non-participation in LT-PA is associated with morning tiredness in male and female adolescents, while excessive TV watching is more associated with short sleep or morning tiredness depending on gender...
  91. doi Hip flexibility is the main determinant of the back-saver sit-and-reach test in adolescents
    Palma Chillon
    Department of Physical Education and Sport, School of Physical Activity and Sport Sciences, University of Granada, Granada, Spain
    J Sports Sci 28:641-8. 2010
    ..The back-saver sit-and-reach test can therefore be considered an appropriate and valid test for assessing hip and low-back flexibility in this age group. The back-saver sit-and-reach and sit-and-reach tests provide comparable values...
  92. ncbi Influence of socioeconomic factors on fitness and fatness in Spanish adolescents: the AVENA study
    David Jiménez-Pavón
    Department of Health and Human Performance, Faculty of Physical Activity and Sport Sciences INEF, Universidad Politecnica de Madrid, Spain
    Int J Pediatr Obes 5:467-73. 2010
    ..This study was to examine the influence of socioeconomic status on fitness and fatness in Spanish adolescents...
  93. doi Elbow position affects handgrip strength in adolescents: validity and reliability of Jamar, DynEx, and TKK dynamometers
    Vanesa España-Romero
    Department of Physiology, School of Medicine, University of Granada, Granada, Spain
    J Strength Cond Res 24:272-7. 2010
    ..The present study provides useful and relevant information indicating which elbow position, and which type of dynamometer, yield maximal handgrip strength in adolescents...
  94. ncbi Climbing time to exhaustion is a determinant of climbing performance in high-level sport climbers
    Vanesa España-Romero
    Department of Physiology, School of Medicine, University of Granada, 18012 Granada, Spain
    Eur J Appl Physiol 107:517-25. 2009
    ..407.7 +/- 150 s, respectively, P = 0.001). These results suggest that, among climbers with a high level of performance, as those analysed in this study, climbing time to exhaustion is a major determinant of climbing performance...
  95. doi Physical activity among Spanish adolescents: relationship with their relatives' physical activity - the AVENA study
    Miguel Martin-Matillas
    Department of Physical Education and Sport, Faculty of Physical Activity and Sport Sciences, University of Granada, Granada, Spain
    J Sports Sci 29:329-36. 2011
    ..Physical activity levels in girls are strongly related to the physical activity of any significant other, whereas physical activity levels in boys are only related to their male relatives' physical activity...
  96. ncbi A learning protocol improves the validity of the Borg 6-20 RPE scale during indoor cycling
    A Soriano-Maldonado
    Department of Medical Physiology, School of Medicine, University of Granada, Spain
    Int J Sports Med 35:379-84. 2014
    ..072; P=0.34). These preliminary results suggested that an RPE learning protocol might slightly improve the validity of the Borg 6-20 RPE scale for exercise intensity self-regulation during IC sessions in healthy adults...
  97. ncbi Sauna-induced rapid weight loss decreases explosive power in women but not in men
    A Gutierrez
    Department of Physiology, School of Medicine, University of Granada, Granada, Spain
    Int J Sports Med 24:518-22. 2003
    ..7 +/- 2.2 vs. 25.2 +/- 1.4 cm, p < 0.05). The squat jump decrease in women was linearly and directly related to the percent reduction of body weight...
  98. ncbi Handgrip strength in men with fibromyalgia
    V A Aparicio
    Department of physical activity, School of Sports Sciences, University of Granada, Spain
    Clin Exp Rheumatol 28:S78-81. 2010
    ..To examine the association of muscular strength, as measured by handgrip strength test (HGs), with the presence/absence of fibromyalgia (FM) and FM severity in men...
  99. ncbi Oral creatine supplementation and skeletal muscle metabolism in physical exercise
    Jose L M Mesa
    Department of Physiology, School of Medicine, University of Granada, Granada, Spain
    Sports Med 32:903-44. 2002
    ..Therefore, creatine may be considered as a widespread, effective and safe ergogenic aid...
  100. doi Hand span influences optimal grip span in boys and girls aged 6 to 12 years
    Vanesa España-Romero
    Department of Physiology, School of Medicine, University of Granada, Granada, Spain
    J Hand Surg Am 33:378-84. 2008
    ..If so, the second aim was to derive a mathematical equation relating hand span and optimal grip span...