Do Adventure Sports Have a Role in Health Promotion? Need for Objective Evidence for a Risk-Benefit Analysis

Do Adventure Sports Have a Role in Health Promotion? Need for Objective Evidence for a Risk-Benefit Analysis

Physical Activity Series Do adventure sports have a role in health promotion? Need for objective evidence for a risk-benefit analysis Jamie F. Burr MSc PhD William J. Montelpare PhD Roy J. Shephard MD PhD DPE FACSM he past 20 years have seen a dramatic shift in the settings under environmental conditions that expose focus of health care, from the intuition and unsys- participants to various types of risk.8 Ttematic clinical judgments of an earlier generation to evidence-based health promotion and treatment.1 Perceptions One of the many advantages of this focus on evidence- During recent years, there has been a tendency among based practice is that, where possible, emotionally the young and middle-aged segment of the population charged decisions have been replaced by careful assess- to engage in ever more dangerous adventure sports,9 ment of risk and benefit, using empirical data. Nowhere including mountain biking,10 mountain trekking,11,12 is this more obvious than in the field of sport and exer- snowboarding,13 skateboarding,13 surfing,14 windsurf- cise medicine; there is now strong evidence supporting ing,14 parachuting, bungee jumping, BASE (building, the prescription of physical activity (PA) for the primary antenna, span, earth) jumping,15-18 hang-gliding,19 rock and secondary prevention of many chronic diseases and climbing,20,21 and skiing.22 According to data from the their associated complications.2 Like most treatments, Sporting Goods Manufacturers Association,23 a range no form of PA is completely devoid of risk,3 but current of adventure sports is now being adopted by mil- information suggests that in most situations the risk of lions of North Americans. The growing popularity of PA participation is greatly outweighed by enduring ben- such pursuits is also evidenced by television networks’ efits to one’s health.4,5 investment in adventure sports programming and their Despite this generalization, balancing potential risks coverage of sports events (eg, X Games).8 The allure of with the manifest benefits of PA can sometimes be chal- high risk has apparently been a part of the motivation lenging for the practitioner. Risk in PA is a dynamic to participate in adventure sports, within the context of construct, such that an activity that is considered to be an increasingly safer and less exciting urban environ- appropriate for one patient might well be inappropriate ment,8 while media exposure of such activities stimu- for another. The origins of PA-related adverse events lates greater participation rates.15,24 can be dichotomized as those which involve traumatic Given the potentially catastrophic consequences of physical injury and those which precipitate an adverse misadventure, the natural visceral reaction of some phy- physiologic or pathophysiologic event. To date, many sicians has been to recommend avoidance of seem- risk-benefit analyses have focused mainly on the lat- ingly “high-risk” sports. As health researchers with an ter. The likelihood of adverse events such as myocar- interest in adventure sports,25-27 we have observed a dial infarction or sudden cardiac arrest has been well consistent reaction from many of our peers, clinicians, managed through pre-exercise screening and a careful and trauma specialists who insist that any activity with PA prescription that balances the immediate risks of the a substantial potential for traumatic injury cannot be proposed PA against the long-term health risks associ- health promoting. The emergencies that physicians are ated with inactivity. inevitably summoned to treat might negatively influence The dangers of PA are determined in part by the their perspective on the value of such activities. Perhaps participant’s experience, skill, and comprehension of a natural maternal and paternal instinct is superim- risk; however, unforeseen incidents can occur owing posed on the expression of the cause-and-effect view to unanticipated adverse environmental factors. Even that if a patient had not participated in a particular high- an elderly person who uses a walker might hit a lamp- risk activity, then catastrophic injury could not have post, trip over a curb, or be hit by a speeding motorist. occurred. Injuries incurred while engaging in more tra- For the moderate PA practised by much of the general ditional PA (whether team sports or individual activi- population, such incidents are so infrequent that they ties such as jogging or leisurely cycling) are regarded do not merit inclusion in the physician’s weighing of as “unfortunate accidents,” while injuries resulting from risk versus benefit. However, the rationale for neglect- participation in adventure sports are viewed as “foresee- ing the dangers of physical injury is challenged by the able and foolhardy.” However, such reactions stray from recent growth of adventure (“extreme”) sports, which both the desired evidence-based model and the clearly can be defined broadly as “individualistic sports con- enunciated view of the journal Injury Prevention that taining structural components of real or perceived dan- there is no such thing as an “accident.”28 Any “evidence” ger.”6,7 Such activities commonly take place in natural upon which such conclusions are based is currently VOL 59: DECEMBER • DÉCEMbrE 2013 | Canadian Family Physician • Le Médecin de famille canadien 1311 Physical Activity Series prone to selection bias, as uninjured participants in systems, thereby reducing the risk of numerous adventure activities might gain important health benefits chronic conditions. Such activities could also offer but are never seen by the sports physician. Currently, it an alternative mode of PA with a likelihood of greater is extremely difficult to understand incidence of injury adherence for segments of the population that cur- or relative risk for adventure sports because participant rently demonstrate a lacklustre participation in tradi- exposure rates remain largely untracked. For exam- tional forms of PA. ple, recent data from the Whistler Health Care Centre Many facets of our modern lifestyle require us to in British Columbia (BC) showed that during a single develop appropriate techniques of risk management. For season of downhill cycling, there were 420 fractures example, although daily commuting is associated with a and 101 cases of traumatic brain injury that presented large number of automobile- and cycling-related colli- in the clinic10; however, investigators were unable to sions, most of us have adapted to the demands of driv- obtain data on the number of participants in these vari- ing or riding to work regularly. We accept that the risk ous activities or on the number of injured cyclists who of city traffic can be reduced by learning and practising were evacuated to Squamish, BC, or Vancouver, BC. good driving skills until we have gained adequate mas- Moreover, because Whistler is a resort municipality, it tery of the urban environment; rarely would a physician is likely that many of the mountain bikers were novices, suggest that a person injured or killed in a car crash using rental bicycles on unfamiliar territory; data for should have anticipated a traffic accident because he mountain biking injuries in the neighbouring community or she was engaged in an inherently dangerous activ- of Squamish, where many of the residents are experi- ity. The popular portrayal of many adventure sports is enced habitual mountain bikers, could be altogether dif- of death-defying acrobatics, but most of the athletes ferent in terms of incidence and severity. concerned are among the elite in their sport and they have mastered the skills necessary to control the poten- Value in risk taking tial risks through small incremental challenges in their If adventure sports are, by definition, related to a per- skills.32 It is critical that those advising younger and less ceived increase in risk, wherein lies their potential value? experienced athletes relay the message that junior com- Evolutionary theory suggests that humans develop fear petitors might be at greatest risk of injury owing to a as a mechanism to protect themselves against injury poor ability to match their current skill levels against the until they gain sufficient mastery of a situation to cope potential challenges of a given maneuver. with the stimuli that are induced.29 A strong case has been made that North American Conclusion society should stop reconstructing playgrounds for The current evidence clearly requires that health care pro- children in an attempt to make them totally “risk free.” fessionals encourage patients to engage in regular PA. If young people believe that they are inadequately However, it remains less clear whether a PA prescription challenged by an activity (or play structure), lack of should include “risky” adventure sports. In some instances, interest and dropout often ensue. Creating risk-free the risk could well outweigh the benefit, and there is a environments deprives youngsters of the opportunity need for systematic investigation into the typical injury to test themselves while engaging in age-appropriate rates in various categories of extreme sports. There is also physical challenges that are motivating and stimulat- a need for further analysis of benefit. However, among ing.29 The highly successful Outward Bound program select segments of the population, adventure sports is one example of an initiative that offers a meaning- encourage program adherence and consequently might ful challenge to adolescents in a safe environment.30 enhance both mental and physical health more effec- Some degree of risk taking and the development of tively than conventional PA.33,34 Until clear scientific evi- appropriate risk management tactics are crucial to the dence is available, we should not allow our assessments full development, engagement, and mental health of of risk to be influenced by perceptions, experiences, and the adolescent, and indeed it is likely that such con- biases. Risk taking is inherently human and can be an cepts apply across the lifespan. This view is supported important factor in personal development.

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