Background: Primary dismenorrhea or painful menstruation, in the absence of any specific pelvic diseases, is one of the most common complaints in women’s medicine. The main goal of this study is to examine the effect of isometric trainings on primary dismenorrhea. Materials and Methods: In this quasi-experimental Stud, 30 female students from Payame-noor and Azad Universities in Golpaygan were randomly assigned into two exercise and non-exercise groups. The exercise group did 8 weeks of isometric exercises under the supervision of a physical education expert. The trainees were examined based on the intensity and duration of pain, the amount of bleeding, and consumption of drugs in the first period of menstruation (pre-test), the second period of menstruation (mid-test) and the third period of menstruation ( post-test ). Results: Intensity of pain in the exercise group decreased after 4 weeks (p<0.05) while the duration of pain declined after 4 weeks (p<0.05) and 8 weeks (p<0.01). Also, the amount of taken drugs decreased after 8 weeks of exercise (p<0.05), but the degree of bleeding did not change significantly (p>0.05). Conclusion: Isometric exercises decreased intensity and duration of pain, and the amount of drugs taken in primary dismenorrhea. Therefore, such exercises can probably be used in the treatment of primary dismenorrhea.

Keywords: Dysmenorrheal, female student, isometric training, primary dysmenorrheal

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