Table of contents

Original articles

• Characteristics of youth soccer players aged 13–15 years classified by skill level (15 January, 2007)

  Robert M Malina, Basil Ribeiro, João Aroso, Sean P Cumming
• Activity patterns, blood lactate concentrations and ratings of perceived exertion during a professional singles tennis tournament (19 January, 2007)

  Alberto Mendez-Villanueva, Jaime Fernandez-Fernandez, David Bishop, Benjamin Fernandez-Garcia, Nicolas Terrados
• Automated external defibrillators in Washington State high schools (8 February, 2007)

  Justin D Rothmier, Jonathan A Drezner, Kimberly G Harmon
• Risk of hepatitis B infections in Olympic wrestling (1 March, 2007)

  S Bereket-Yücel
• Relationship between the intensity of physical activity, inactivity, cardiorespiratory fitness and body composition in 7–10-year-old Dublin children (29 March, 2007)

  J Hussey, C Bell, K Bennett, J O’Dwyer, J Gormley
• A 6-month prospective study of injury in Gaelic football (30 November, 2006)

  F Wilson, S Caffrey, E King, K Casey, C Gissane
• Change in the capability of reactive oxygen species production by neutrophils following weight reduction in female judoists (15 January, 2007)

  Makoto Yaegaki, Takashi Umeda, Ippei Takahashi, Masashi Matsuzaka, Norio Sugawara, Sen Shimaya, Masaru Tanabe, Arata Kojima, Noriko Mochida, Yousuke Yamamoto, Shigeyuki Nakaji