Lumbosciatica is a very prevalent pathology. When conservative treatments fail, surgery should be considered. The traditional surgical treatment is lumbar arthrodesis. The vast majority of patients who undergo spinal fusion cannot return to their same job and a good number of them never work again. Another form of treatment for lumbosciatica is the implantation of a lumbar disc prosthesis. This technique preserves the mobility of the lumbar area that has been operated on. This allows for a greater return to work and a higher percentage of those who return to the same job. This study aims to quantify how many of the patients who have had a lumbar disc prosthesis implanted in the last twenty years have returned to their same job, how many have had to change their jobs, and how many have not returned to work and are now totally or completely disabled from work.