Orthosis or no orthosis after surgically treated spine fractures

INTERVENTION: One group will receive an orthosis after surgical fixation of thoracolumbar fracture, and the other group will not use an orthosis. CONDITION: Trauma , Spine, Fracture , Thoracolumbar ; ; PRIMARY OUTCOME: Pain scored on the NRS at 6 weeks post‐operative. SECONDARY OUTCOME: Pain medication used ; ; Quality of life (EQ‐5D) ; ; Backpain related function (ODI) ; ; Kyphosis as measured on x‐ray ; INCLUSION CRITERIA: ‐ Age 18 – 65 years ‐ Traumatic thoracolumbar spine fracture from thoracic 7 – lumbar 4 ‐ AO fracture types A‐C ‐ Undergoing surgical dorsal fixation for fracture