VOLUME 25 – ISSUE 2 • WINTER 200 7 Incorporating The Bulletin Opinions expressed throughout this journal are the Contents contributors own and do not necessarily reflect the views or policy of Sports Medicine Australia (SMA). A TASTING PLATE OF CONFERENCE SPEAKERS 2 Members and readers are advised that SMA cannot be held responsible for the accuracy of statements made Insights into the backgrounds, achievements and aspirations of the in advertisements nor the quality of the goods or 2007 National Conference speakers services advertised. All materials copyright. On acceptance of an article for publication, copyright Gary Moorhead passes to the publisher. Publisher DEALING WITH THE DOUBLE EDGED SWORD OF THE MEDIA 6 Sports Medicine Australia PO Box 78 Mitchell ACT 2911 Dr J Tel: (02) 6241 9344 Fax: (02) 6241 1611 PATHOMECHANICS OF LOWER BACK INJURIES IN JUNIOR AND Email: [email protected] Web: www.sma.org.au SENIOR FAST BOWLERS: A PROSPECTIVE STUDY 8 Circulation: 5000 Marc R Portus ISSN No. 1032-5662 Editor John Orchard CONVENTIONAL, REVERSE AND CONTRAST SWING BOWLING 9 Managing Editor Rabindra D Mehta Dominic Nagle Chief Executive Officer THE HOW AND WHY OF SPORTING EXPERTISE 10 Gary Moorhead Implications from the study of experts to skill acquisition in cricket Subscription Manager Michael Woods Bruce Abernethy Advertising Manager Nathan Kruger WHY DO FAST BOWLERS BOWL NO-BALLS? 11 Design/Typesetting Whalen Image Solutions “It’s bloody laziness, lad” and other explanations! Ian Renshaw and Keith Davids SMA STATE BRANCHES ACT ADOLESCENT FRACTURE IMPLICATIONS RELATED TO GROWTH 12 ACT Sports House 100 Maitland St Hackett ACT 2602 DA Bailey, CM Engstrom and DG Walker Tel: (02) 6247 5115 New South Wales EVIDENCE FROM BASEBALL THAT UMPIRING DECISIONS ARE PO Box 3176 Rhodes NSW 2138 Tel: (02) 8116 9815 INFLUENCED BY GAME CONTEXT 13 Northern Territory Clare MacMahon PO Box 2331, Darwin NT 0801 Tel: (08) 8981 5362 SMA(ACT) INJURY REPORTING TRIAL 14 Queensland Sports House, 150 Caxton St, Milton QLD 4064 Results and analysis Tel: (07) 3367 2700 John Lockie and Patricia Donaghue South Australia PO Box 219, Brooklyn Park SA 5025 Tel: (08) 8234 6369 RUGBY LEAGUE INJURIES AT STATE OF ORIGIN LEVEL 19 Victoria and Tasmania John Orchard and Wayne Hoskins Sports House, 375 Albert Rd, Albert Park Vic 3206 Tel: (03) 9674 8777 ROTATOR CUFF TEAR 25 Western Australia PO Box 57, Claremont WA 6010 Joseph Myers Tel: (08) 9285 8033 SCIENCE IN AUSTRALIAN SPORT: ITS ORIGINS AND CHALLENGES 26 SUBSCRIPTION RATES 2007 Frank Pyke Australia A$35 Overseas A$50 SMA members receive Sport Health as part of their GROUND CONDITIONS AND INJURY RISK: WHAT DO WE REALLY KNOW? 28 membership fee Dara Twomey Single copies and back copies A$15 (includes postage) BULLETIN 31 PP No. 226480/00028 For subscriptions contact Michael Woods Phone: (02) 6241 9344 Email: [email protected] Cover photograph: Australian Sports Commission FROM THE CEO A tasting plate of conference speakers Gary Moorhead For the benefit of readers socioeconomic inequalities in physical “The development and evaluation of considering attending the Sports activity and diet among women. This computer-tailored health education - I Medicine Australia national work is important as it’s among very was one of the first to work in this field. conference -- this year badged few studies internationally that have Also, a series of systematic reviews I “be active ‘07” and to be held in attempted to move beyond merely was involved in as a project leader on Adelaide from 13–16 October -- the documenting socioeconomic gradients the association of physical and social major speakers at the Conference in these key health behaviours to environmental factors with physical have contributed to this article, the investigating the underlying pathways activity and nutrition. Many claims aim being to reveal a little more by which socioeconomic disadvantage have been made that the obesogenic’ about them, their backgrounds contribute to increased risk of sedentary environments are the main driving force lifestyles and poor diet. We identified behind the present obesity epidemic, and interests. a range of personal, social and but our reviews show that there is not All speakers were asked to respond to environmental factors that are potentially much scientific evidence yet supporting the following four questions: important and might be key intervention the fact that such environmental factors points for strategies aimed at promoting are strongly associated with obesogenic 1. What do you consider the most physical activity and healthy eating behaviors.” (Johannes Brug) important piece of work or research you among socioeconomically disadvantaged “I participated in a few studies that found have undertaken and why (or of which groups.” (Kylie Ball) you are most proud)? that exercise (alone) was effective in “A kinetic, kinematic and EMG study reducing rates of falls in older adults.” 2. What persons, events or specific of the effect of football boot midsole (David Buchner) research had a significant influence on height on hamstring muscle activity” “Most proud of: research into the your career development? - because it led directly to a fairly radical incidence and determinants of injury change in thinking on football boot 3. What is the most exciting project you affecting female gymnasts. My work design, and ultimately the production of have planned for the future? was the first prospective cohort research a commercially available football boot to document the nature and incidence 4. What single piece of advice would/ that we believe may directly influence of injuries affecting competitive female injury.” (Simon Bartold) could you give to policy-makers seeking gymnasts which used exposure data to turn research into policy and practice “An article published in Arthritis and (ie, hours and athletic exposures) as in your field? Rheumatism in 2004 (Vol 50, pp 3306- a basis for determining injury rates Satisfying for an organisation like SMA 3313) entitled “The “enthesis organ” and for testing risk factors of interest. which promotes multidisciplinary concept: why enthesopathies may not Perhaps most important: co-editor (with information-sharing and problem- present as focal disorders. This article N. Maffulli) of two edited volumes on solving, the responses reflect the has had a very important impact on the ‘Epidemiology of Pediatric Sports different disciplines and backgrounds clinical rheumatologists who have begun Injuries’ in Karger Publishers’ Medicine to recognise that enthesopathies should and Sport Science book series. These from which the speakers are drawn. not necessarily be regarded a focal were the first published volumes on They also give a fascinating “taster” of problems, but as multifocal disorders. the epidemiology of injury in pediatric what is to come in Adelaide in October. It helps them understand why patients sports.” (Dennis Caine) present with the symptoms they do. More details about the speakers can “Probably my single most important (Michael Benjamin) be found at http://www.sma.org.au/ work has centred on creation of a ACSMS/2007/speakers/default.asp “Two immediately come to mind: first, theoretical model that uses an hourglass a 1989 paper on cardiac respiratory and inverted triangle as heuristics in 1. What do you consider the fitness and mortality which revealed attempting to account for both the most important piece of the protection that could be derived ‘products’ and ‘processes’ of motor work or research you have from moderate fitness – this changed a development, respectively. When undertaken and why? (Or of prevailing mindset and has been cited this information is combined on an which you are most proud). more than 1200 times; second, the individual learner level with what we first paper I published showing it was know about the process of movement “In 2003-4 I led a study funded possible to be active, fit and healthy, skill learning, we gain essential by the National Heart Foundation regardless of weight.” (Steve Blair) information for guiding us in the investigating the mechanisms underlying 2 Sport Health FROM THE CEO selection and use of a wide spectrum of easons other than changing rearfoot his thinking about planned health teaching styles.” (David Gallahue) motion.” (Craig Payne) promotion, Karen Glanz to systematic and stepwise research in behavioural A tasting plate of “The research I’ve conducted on the “Research soon to be published nutrition, Vic Strecher was the key psychological aspects of sport injuries demonstrating that a 12 week behavioural pioneer in computer-tailoring research.” is pleasing because of the feedback intervention conducted by an exercise (Johannes Brug) conference speakers I receive regularly from colleagues physiologist increased physical activity overseas who find the applied levels in sedentary people with chronic “The most significant influence on my implications particularly helpful in the disease beyond the National Guidelines career development was the Robert professional training of physical trainers. at 12 weeks with these levels being Wood Johnson Clinical Scholars Program. I’m also proud of the contributions my maintained independently at 12 months This two-year fellowship influenced me students and I have made in the career with no ongoing professional follow up.” to do research in prevention and geriatric transitions area, which is now a staple (Daryl Sadgrove). medicine.” (David Buchner) topic in most conferences world-wide.” “The studies performed together with “My early work with Steven Roy MD (Sandy Gordon) my colleagues were among the first to (Eugene, OR) on ‘Stress changes of “To develop the RESTQ-Sport in a series show that physical exercise may have the distal radial epiphyses in young studies and to get it published with a a profound effect on ageing skeletal female gymnasts’ (AJSM, 1985). I had high ranked publisher. And of course muscle, connective tissues and bone. initially approached Steven regarding seeing the RESTQ-Sport used in practice The evidence extending from the cell my interest in researching overuse and in research by other researchers.