The article tries to check the results of available investigation up to this moment, about the relationships between exercising and long life with exercising and physical-quality of life. As a previous step some points of strictly methodological, nature are pointed out, which affect in general, the spectrum of the physical - health exercises relation-ship and in which those considerations seem to be relevant at the tirne of considering those results.El articulo trata de revisar los resultados de investigacidn disponibles hasta el momenta sobre las relaciones ejercicio fisico-longevi-dad y ejercicio fisico-calidad de vida. Como paso previo se plantean algunas cuestiones de naturaleza estrictamente metodoldgica, que afectan čon caracter general al ambito de las relaciones ejercicio fisico-salud, y cuya consideracidn parece relevante a la hora de considerar tales resultados.