Dru Forrester, left, and Fe Brinkley, both of Lawrence, earned world champion honors at a recent tae kwon do competition. They and three other students at the ATA Black Belt and Leadership Academy ...

There was a threefold increased risk of injury and multiple injury in tae kwon do than karate (p<0.001). Subjects ⩾18 years of age were at greater risk of injury than younger ones (p<0.05; OR 3.95; CI ...