Análise da força muscular de preensão manual durante e após o ciclo menstrual

Abstract

Women are predisposed to acquire functional changes in the wrist and hand and experts recognized the hormonal influence as a potential risk factor for musculoskeletal injuries in women. Objective: To investigate whether there are differences in levels of strength between menstrual period and the post-menstrual. Methodology: The sample was composed of 25 sedentary women with 18-25 years, with regular menstrual cycle, healthy and does not produce motor disturbances. The volunteers were divided into two groups: Does not make use of contraceptive, and makes use of contraceptive. Were submitted to a test of 1RM using the dynamometer Baseline to hold. This one’s responded to questionnaires on depression (Hamilton) Syndrome pre-menstrual disorder (Steiner) and changes in mood, physical and depressive (MSQ). For comparative analysis of quantitative variables were used to test t-student and student t-paired. For comparative analysis of the qualitative variables was applied chi-square test for proportions, and when necessary Fisher. Results: Indicate a better performance during the post-menstrual, with a gain of 16.54% compared with the averages of forces and 13.09% in the maximum forces when compared to the menstrual period. Mild depression were found in 24% (Hamilton), presence of Syndrome pre-menstrual disorder in 36% (Steiner) and the MSQ was no change in mood in 76% in physical symptoms in 84% and depressive symptoms in 68% of participants. Conclusion: This study report a higher average mean and maximum forces during the post-menstrual, however, no differences in handgrip strength among women users and non users of oral contraceptives.