Resumen

PEREZ GUISADO, Joaquín. Contribution to the study of unspecific low back pain. Rev Cubana Ortop Traumatol [online]. 2006, vol.20, n.2, pp. 0-0. ISSN 1561-3100.

Low back pain is a problem characterized by its high prevalence in the population and by its great economic and social repercussions, since it has become one of the first causes of working absenteeism. In low back pain, there is an association between muscular and psychosocial factors that generate avoidance conducts, fear and muscular atrophy, leading to a vicious circle that favors chronicity and disability. About 90 % of the patients do not present any demonstrable injury, and that's why the problem is considered as an unspecific low back pain. Contrary to what it was thought before, rest is contraindicated, since it debilitates and atrophies the back musculature. It was made a bibliographic review that clears up many mysteries related to the low back pain problem on the basis of solid scientifc argumentations that help and make easy the understanding of the process.

Palabras clave : Unspecific low back pain; factors/muscular; factors/psychosocial.

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