Single sport specialization can be defined as intensive, year-round training in one sport to the exclusion of others . Many young athletes, parents, and coaches believe that early single-sport specialization is necessary for long-term athletic success [2-6]. But, does the research agree with this notion?
EARLY SPORT SPECIALIZATION AND IMMEDIATE ATHLETIC SUCCESS
Early specialization in a single sport appears to be a decent strategy for attaining youth athletic success. There are many reports suggesting that early single sport specialization and intensified, sport-specific practice/training during childhood (age ≤ 12 years) and adolescence (13–18 years) correlate with youth athletic prowess [7-13]. On the surface, it appears that early sport specialization would be the ideal path for climbing up the ranks and, eventually, reaching sport performance at the highest level possible.
10,000 HOURS OF DELIBERATE PRACTICE IS ALL IT TAKES
In 2008, Malcolm Gladwell authored a book popularizing the “10,000 hour rule,” . By studying the most successful business professionals and musicians throughout history and their paths to success, Gladwell suggested that the true mastery of a skill requires 10,000 hours of deliberate practice . Others also believe that 10,000 hours of deliberate practice are necessary for sport mastery .
Many athletes and coaches report that it would be foolish to not specialize in a single sport early on because increased recognition, attainment of professional status, a college scholarship, or an Olympic qualification could result . They may be right; let’s take a look at a few examples.
TIGER AND “THE GREAT ONE”
One of the world’s most renowned athletes, Tiger Woods, is a prime example supporting the advocates of early sport specialization . At a mere 12 years of age, Tiger recorded his first round of 70 on a regulation golf course. At age 20 in 1996, Tiger became the first golfer to win three consecutive U.S. Amateur titles and won the NCAA individual golf championship . Tiger’s early introduction to golf, deliberate practice at a very early age, a dominating parent in Earl Woods, a highly regulated life through childhood and adolescence into adulthood, and eventual extraordinary athletic success is a well-documented story .
The best ice hockey player of all time, Wayne Gretzky (”The Great One”), started playing hockey at the age of 2 years . Between the ages of 3-12, Wayne reported frequently spending 8-10 hours per day on the ice . At 6 years of age, Wayne had already developed a hyper-focus on the sport, and was so good that he played on a team of players who were 10 years old (nearly twice his age), at the time . The Gretzky family arranged for Wayne to move from Ontario to Toronto when he was a mere 14 years of age, with the sole purpose of putting Wayne in a situation that would allow him to optimize his ice hockey career . Today, Wayne Gretzky is considered “the greatest hockey player ever” by many sportswriters, players, and the league itself, following his illustrious 16-year professional career [21-24].
Tiger and Wayne Gretzky (“The Great One”) undoubtedly accrued 10,000 hours of deliberate practice early in their athletic careers and subsequently achieved sport mastery. They’re both notable examples of expert athletes who found remarkable success with extreme levels of deliberate practice, as suggested by Malcolm Gladwell.
Given this mindset, it’s no surprise that early sport specialization continues to (1) become more prevalent and (2) begin earlier during adolescence, as time moves forward [25-31]. Although Tiger Woods, Wayne Gretzky, and the 10,000-hour rule are prime anecdotes illustrating the rationale for destined success with early sport specialization, let’s take a peek at the other side of the coin, just for kicks.
MAYBE IT’S NOT ALL THAT PRACTICE AT AN EARLY AGE
Yes Allen, we’re talking about practice. The 10,000 hour rule suggests that expert performance is largely the result of time spent in deliberate practice, or “engagement in structured activities created specifically to improve performance.” In a study by Macnamara et al. (2014), it was discovered that only 18% of sport performance could be attributed to time spent practicing the sport . A frequently referenced article by Ericsson et al. (1993) contends that high volumes of deliberate practice are required to attain expert performance which is, most likely, a true statement . However, the authors also state that “experts carefully schedule deliberate practice and limit its duration to avoid exhaustion and burnout.” It’s evident that this key aspect of their research is frequently overlooked or ignored. This is validated by the prevalence of early sport specialization, today.
There’s no question that accruing many hours of high-quality, deliberate practice is beneficial to achieving expertise, but not when it comes at the expense of youth development early in adolescence. In the following sections, it will become apparent that greater involvement in a variety of sports, before specializing in later stages of development, may lead to higher levels of athletic success, compared with early specialization in a single sport.
WHEN HIGH-LEVEL ATHLETES BEGIN TO SPECIALIZE
A survey of 148 elite and 95 near-elite Danish athletes (24.5 years old on average; track and field, weightlifting, cycling, rowing, swimming, skiing) found that the elite group of athletes began to specialize in their sport of choice ~3.5 years later and spent far fewer hours practicing its main sport during early adolescence (before 18 years old), compared with the near-elite group . Another survey of 376 NCAA Division 1 female athletes found that the majority had their first organized sports experiences in sports other than their main sport . In a small study of 4 Canadian Hockey League (CHL) athletes, the authors found that the athletes spent 2.5x more time participating in other organized sports, compared with ice hockey (1149 hours vs. 460 hours), between the ages of 6-12 years old . It wasn’t until late adolescence that these elite hockey players began specializing in their main sport . Carlson et al. (1988) found that elite tennis players began intense training and specialized later (after 13-15 years of age), compared with their near-elite counterparts, who began tennis specialization at 11 years old .
In a German study, 88% of Olympians reported participating in more than 1 sport as a child . In another German study in 1558 elite athletes, the more successful athletes started training and competing in their specific main sport later . Additionally, a higher percentage of the internationally successful top athletes were involved with other sports and maintained training in the other sport(s) until a higher age, as compared with the less successful athletes .
Baker et al. (2013) found that national level Australian athletes who participated in a wider breadth of sports required less time to acquire expertise in their primary sport, compared with their specialized counterparts . The 2012 Olympic Champion Men’s Field Hockey (Germany) team did not differ from less-elite national class players in the total amount of hockey-specific practice/training, but had greater amounts of organized involvement in other sports and later specialization in field hockey . In 2017, a study conducted in 73 elite senior Australian Track and Field athletes found that, between 13-15 years of age, the athletes spent nearly just as much time training for other sports as they did for their chosen sport (5.63 vs. 5.13 training hours/week) . It wasn’t until they were 17.7 years old (on average) that they became specialized in their main T&F event . These athletes either (1) competed at least once in an Olympic Games (between 1956 and 2012) or International Association of Athletic Federations (IAAF) World Track and Field Championships (between 1986 and 2013) .
The results of these studies suggest that multi-sport participation is beneficial for for expert development [38-42].
The beliefs of elite athletes reflect the aforementioned research findings. In a survey conducted in U.S. Olympians by Snyder (2014), 97% of athletes believed being a multi-sport athlete was beneficial to their success . Buckley et al. (2017) found that 79.7% and 80.6% of current high school and collegiate athletes, respectively, thought that specializing in a single sport would help them play at a higher level . In contrast, only 61.7% of professional athletes believed this to be true . Similarly, in a survey of professional baseball players, 63.4% believed that early sport specialization was not required to play professional baseball .
Overall, World-Class and professional athletes were more likely to engage in multiple sports during childhood [34, 37, 40-44], and specialized in their primary sport significantly later [26, 37, 39-42]. These World-Class athletes were on to something; continuing to play other sports throughout development and well into adolescent years rather than early specialization appears to leads to greater success and longevity of elite sporting careers.
DOES EARLY SPORT SPECIALIZATION LEAD TO LONG-TERM ATHLETIC SUCCESS?
Even if athletic success is attained at the youth level, research supporting its translation into long-term senior success is iffy, at best [45, 49-52]. In other words, early competitive athletic success is not a prerequisite, nor a valid predictor, of long-term athletic accomplishment. In fact, a recent reviewhighlighted that the youth participation patterns that lead to youth success are quite different than those that facilitate long-term athletic development and adult success . In most cases, long-term athletic development and adult success is the goal.
Although early single sport specialization and intensified, sport-specific practice/training during childhood and adolescence (5-18 years of age) have been associated with athletic success during youth [7-13], youth athletic prowess is not necessary, nor advised, for adult elite performance [54-57]. Taking this into account, multiple well-respected researchers and governing bodies advise avoidance of early sport specialization, due to many short and long-term health-related concerns [58-65]. A few of these concerns include athlete burnout, overuse injury, decreased enjoyment, limited physical and motor development, and even potential negative impact on the entire family [58-71].
Written by Adam Virgile / @ShakeBotApp
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