We should urge kids to avoid hyperspecialization and instead sample a variety of sports through at least age 12.
Nearly a third of youth athletes in a three-year longitudinal study led by Neeru Jayanthi, director of primary care sports medicine at Loyola University in Chicago, were highly specialized — they had quit multiple sports in order to focus on one for more than eight months a year — and another third weren’t far behind. Even controlling for age and the total number of weekly hours in sports, kids in the study who were highly specialized had a 36 percent increased risk of suffering a serious overuse injury. Dr. Jayanthi saw kids with stress fractures in their backs, arms or legs; damage to elbow ligaments; and cracks in the cartilage in their joints.
In the Loyola study, sport diversification had a protective effect. But in case health risks alone aren’t reason enough for parents to ignore the siren call of specialization, diversification also provides performance benefits.
Kids who play multiple “attacking” sports, like basketball or field hockey, transfer learned motor and anticipatory skills — the unconscious ability to read bodies and game situations — to other sports. They take less time to master the sport they ultimately choose.
A Swedish study of sub-elite and elite tennis players — including five who ranked among the top 15 in the world — found that those who topped out at as sub-elites dropped all other sports by age 11. Eventual elites developed in a “harmonious club environment without greater demands for success,” and played multiple sports until age 14.
USA Hockey (which has barred checking in youth games) recently invited adults to play on a 310-by-130-foot ice rink to show them what it’s like for an 8-year-old to play on a regulation rink. The grown-ups’ assessments: “too much time between the action”; “it’s hard to communicate because everyone is spread out so far”; “you end up spending a lot of time in open space.”
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