Results of this study demonstrate that roller hockey produces a higher rate of both contact and noncontact injuries than ice hockey; this contradicts the findings of the only other published research study on injuries in roller versus ice hockey. This increased incidence of injury may be due in part to the differences in surfaces, and can prove hazardous to even the recreational roller hockey player or in-line skater.

ACL injuries in children result in adultlike chronic instability problems. Physical tests and radiographs guide the diagnosis. Treatment depends on whether the ACL injury is an intrasubstance tear or, what is more common, an avulsion fracture of the tibial eminence. A case report of an 11-year-old boy describes a typical avulsion injury. Treatment of avulsion injuries consists of cast immobilization and open reduction and fixation for a displaced fragment.

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