Related Experiment Video
Updated: Jan 28, 2026

Modified Drop Tower Impact Tests for American Football Helmets
Published on: February 19, 2017
Salter-Harris Type III Fracture in a Football Player
Abstract:
A 15-year-old high school football player sustained direct impact to his anteromedial left knee by a teammate's helmet during practice. The physician referred the athlete immediately to an after-hours clinic for imaging to rule out a fracture. Radiographs of the knee showed a nondisplaced Salter-Harris type II fracture. The treating physician also ordered magnetic resonance imaging, the results of which allowed for a more specific diagnosis of the fracture as a Salter-Harris type III fracture of the left femur.J Orthop Sports Phys Ther 2019;49(3):209. doi:10.2519/jospt.2019.7984.
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