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Table 2 Inclusion and exclusion criteria for the study

From: Quantitative MRI comparison of multifidus muscle degeneration in thoracolumbar fractures treated with open and minimally invasive approach

Inclusion criteria  
 Monosegemental fractures of the thoracolumbar spine
 from T 11 to L2 which were treated with a bisegmental dorsal instrumentation
 Minimal follow up time 48 months
 Age 18–65
 Frankel E
Exclusion criteria  
 Metal implants in the fracture region
 Neurological deficits (Frankel A-D)
 Osteoporotic fractures, low energy trauma
 Muscle diseases
 Diabetes, Steroid, Adipositas >BMI 30
 Contraindications for MRI