Chinese Academy of Sciences Jul 18 2025 As youth engagement in high-energy sports surges, so does the prevalence of sport-related injuries. Among them, tibial tubercle avulsion fractures (TTAFs) represent a small but serious subset, accounting for less than 3% of pediatric fractures. These injuries commonly affect adolescent boys and are associated with risk factors such as delayed skeletal maturity, Osgood-Schlatter disease, and abnormal body mass index. Diagnosis can be complex, as symptoms