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Objectives:To analyze the clinical and radiographic outcomes in fracture of the fourthlumbar vertebra, under conservative or surgical treatment.Methods:Patients diagnosed with L4 fracture with or without neurological injury werestudied and to whom conservative or surgical treatment was provided. Radiographicmeasurements were performed taking into account the kyphosis angle, the sagittalindex, loss of vertebral body height, percentage of canal occlusion and heightcompression percentage.Results:Twenty-five patients were treated, five conservatively and 20 surgically. Thevertebral kyphosis angle in both groups was 12&#176;, no regional kyphosis was present,the sagittal index was 11.9 (Farcy), the loss of vertebral body height was 53.17%,the percentage of canal occlusion was 23% and the height compression percentagewas 38.06%. The residual pain according to the visual analog scale was two in bothgroups.Conclusions:Patients with a fractured L4 have a satisfactory outcome with both treatments,the height of the vertebral body remains the same, the lordosis is preserved andtherefore the sagittal balance, allowing recovering the mechanical functions ofthe spine as opposed to other segment fractures

L4 fractures, biomechanics of cure foretold