Spine FA3 - a Prospective, International, Multicenter Cohort Study on Treatment of of AO A3 Thoracolumbar Fractures

Inclusion Criteria: * Age 18-65 years * Diagnosis of single or multiple stable thoracolumbar fracture(s) * Level T10- L3 * Type AO A3 or A4 * Radiologically confirmed by Rx or CT * Fracture induced kyphotic deformity lower or equal to 20-35 degrees * Definitive treatment (surgical or conservative) within 10 days after injury * American Spinal Injury Association (ASIA) Impairment Scale = E (normal ) * Ability to understand patient information / informed consent form * Willingness and ability to participate in the clinical investigation including imaging and follow-up procedures (FUs) * Signed informed consent Exclusion Criteria: * Open fracture * Polytrauma * Pathologic fracture * Disruption of the posterior ligamentous complex between T10 and L3 * Clinically evident osteoporosis as assessed by the investigator * Spinal luxation * Associated severe lesions as assessed by the investigator * Spinal lesion due to gun or projectile * Pre-existing spinal column deformity * Prior spinal surgeries * BMI \> 40 kg/m2 * Any severe medically not managed systemic disease * Recent history of substance abuse (ie, recreational drugs, alcohol) that would preclude reli-able assessment * Pregnancy or women planning to conceive within the study period * Prisoner * Participation in any other medical device or medicinal product study within the previous month that could influence the results of the present study