%0 Journal Article %T Lumbalgia mec¨˘nica en el ¨˘mbito laboral, Costa Rica %A Urbina Brenes %A Roberto %J Revista Costarricense de Salud P¨˛blica %D 2011 %I Asociaci¨®n Costarricense de Salud P¨˛blica %X objective: to compare the different therapeutic modalities for mechanical low back post effort clinic offered by the national institute of health in the town of san antonio de bel¨¦n. materials and methods: descriptive study. convenience samples all patients seen at the clinic from the insurance institute of sanantonio de bel¨¦n, duringapril 2008 -october 2010. we evaluated three methods diclofenac sodium, ibuprofen / indomethacin complex b. the indicator used to determine adequate response were days of disability. results: a total of 145 patients evaluated 55 had failure of more than 10 days. six patients had disabilities over 20 days and one patient had failure of more than 30 days. discussion: patients receiving diclofenac sodium and b complex, presented a smaller number of days of disability, a smaller number of reopening and there fore more responsive %K low back pain %K sick leave %K diclofenac %K ibuprofen. %U http://www.scielo.sa.cr/scielo.php?script=sci_abstract&pid=S1409-14292011000100008&lng=en&nrm=iso&tlng=en