Table of contents

Original articles

• Is activation of transversus abdominis and obliquus internus abdominis associated with long-term changes in chronic low back pain? A prospective study with 1-year follow-up (26 July, 2011)

  Monica Unsgaard-Tøndel, Tom Ivar Lund Nilsen, Jon Magnussen, Ottar Vasseljen
• Compliance with return-to-play regulations following concussion in Australian schoolboy and community rugby union players (24 June, 2011)

  Stephanie J Hollis, Mark R Stevenson, Andrew S McIntosh, E Arthur Shores, Caroline F Finch
• Five-year changes in school recess and lunchtime and the contribution to children's daily physical activity (19 May, 2011)

  Nicola D Ridgers, Anna Timperio, David Crawford, Jo Salmon
• The association between sedentary leisure and physical activity in middle-aged adults (2 May, 2011)

  Nicola W Burton, Asaduzzaman Khan, Wendy J Brown, Gavin Turrell
• The effect of different doses of aerobic exercise training on endothelial function in postmenopausal women with elevated blood pressure: results from the DREW study (22 September, 2011)

  Damon L Swift, Conrad P Earnest, Steven N Blair, Timothy S Church
• Identifying context-specific competencies required by community Australian Football sports trainers (6 October, 2011)

  Alex Donaldson, Caroline F Finch