Offering critical reviews of current topics and reports of current and on-going research in paediatric health and exercise science, Children and Exercise XXV is a key text for all researchers, teachers, health professionals and students with an interest in paediatric sport and exercise science, sports medicine and physical education.

Part 1: Keynote Lectures 1. The 2009 Josef Rutenfranz Lecture "Child As A Source Of Mechanical Power" 2. Oded Bar-Or (1936-2005): "Father" Of The European Group Of Paediatric Work Physiology: Children And Exercise 3. Obesity And Cardiovascular Function In Children And Adolescents 4. Fatigue Mechanisms In Children C.A. William 5. The Ventilatory Response To Exercise In Healthy Children And Children With Respiratory Pathology 6. Daily Activities And Body Weight Stability In Children: The Unfortunate Influence Of Modernity Part 2: Metabolic Syndrome And Nutrition 7. Metabolic Syndrome And Its Genetic Factors: A Study Of Twins From Madeira And Porto Santo Islands, Portugal 8. Familiality In Metabolic Syndrome Indicators. A Study With Azorean Families 9. Impact Of The Built Environment On Metabolic Syndrome And Other Physiological Variables 10. Lipoprotein (A) In Healthy Welsh Adolescents 11. Immediate Effects Of Exercise On Energy Intake In Normal Weight And Overweight Pre-Pubertal Children 12. 'Fatmax' And The Lactate Response To Exercise In Adolescents 13. Influence Of Pubertal Development On Ghrelin In Young Swimmers: A Longitudinal Study Part 3: Hormonal And Inflammatory Regulations 14. Anabolic Hormones And Inflammatory Markers In Elite Male And Female Adolescent Players Following Volleyball Practice 15. Effect Of Continuous And Intermittent Exercise On Immune Cell Responses In Children With And Without A Chronic Inflammatory Disease 16. Taekwondo Fighting Simulation And Hormonal Response In Elite Adolescent Fighters 17. Bone Mineral Values, Insulin-Like Growth Factor-1, And Sex Hormones In Adolescent Female Athletes 18. Anaerobic Exercise And Salivary Cortisol, Testosterone And Immunoglobulin (A) In 15- 16 Year Old Boys Part 4: Cardiorespiratory Functions 19. HCO3 And Non-Respiratory HCO3 Buffering In Boys And Male Adolescents 20. Secular Trends In Established And Emerging Cardiovascular Risk Factors In Welsh Adolescents 21. Limiting Factors In Maximum Oxygen Uptake In Ambulatory Children With Spinal Bifida 22. Cardiopulmonary Exercise Test Characteristics Of Children With End-Stage Renal Disease: Signs Of An Acquired Myopathy? 23. Muscle Oxidative Metabolism In Children And Adults During Moderate Intensity Cycling Exercise 24. Effect Of Pedal Rate On Pulmonary Oxygen Uptake Kinetics During High-Intensity Cycling In Adolescent Boys 25. Effects Of Exercise Modality On Ventilatory Parameters In Prepubescent Children With Cystic Fibrosis Part 5: Children's Performances 26. Effect Of Maturation On The Relationship Between Muscle Size 143 And Force Production 27. Rate Of Muscle Activation In Pre- And Early-Pubertal Power-And Endurance-Trained Male Athletes 28. Recovery From Brief Isometric Calf Exercise In Young And Adult Females Measured With 31P-MRS 29. Anaerobic-To-Aerobic Power Ratio In Children With Juvenile Idiopathic Arthritis 30. Aerobic Fitness And Performance Indices Of Repeated Sprint Test In Normal Weight And Overweight Children 31. Aerobic Capacity In Contemporary Children And Adolescents With Cerebral Palsy 32. Physiological And Perceptual Responses In Children During Variable-Intensity Exercise Part 6: Fitness Assessment 33. Assessment Of Anaerobic Performance In Youth Basketball And 181 Its Contribution To Differentiate Players By Competitive Level 34. Clinical Exercise Testing In Children With Neurometabolic Myopathies 35. Establishing Maximal Oxygen Uptake In Young People During A Ramp Cycle Test To Exhaustion 36. Power Results Normalization In Arm Cranking And Cycloergometer Wingate Tests Performed By Different Matured Swimmers 37. Factors Affecting Leger Shuttle Run Performance In Children 38. The Test/Re-Test Reliability Of Field-Based Fitness Tests In 9-10 Year Old Schoolchildren Part 7: Physical Activity 39. Empirical Evidence To Inform Decisions Regarding Identification Of Non-Wear Periods From Accelerometer Habitual Physical Activity Data 40. Canada's Report Card On Physical Activity For Children And Youth 41. Dose Related Association Of Total Physical Activity And Health-Related Physical Fitness 42. Comparing Physical Activity Levels Of Hungarian Boys And Girls During Weekdays 43. Relations Between Maturity Status, Physical Activity, And Physical Self-Perceptions In Primary School Children 44. Introducing The Canadian Assessment Of Physical Literacy