Introduction. Primary-level teachers are exposed to physical risks that they can control through an exercise program, which seeks improved promotions for their health in a timely manner. Objectives. To determine the effect of an exercise program on the musculoskeletal symptoms in primary school teachers. Methods. An experimental study was carried out, where the Cornell questionnaire was applied. Results. The teachers had a median age of 52 years. Initially, it was found that the most frequent musculoskeletal symptoms of all teachers were found in the neck (50,8%), lower back (41,5%), left foot (35,4%) and right foot (33,9%); in the final comparison between the groups, it is observed that the intensity obtained significant differences of p value <0,01 for neck, right/left shoulder, upper back, lower back, right/left knee. It is worth noting in the&nbs...