How Your Menstrual Cycle Affects Your Injury Risk

By some estimates, 200,000 people tear their anterior cruciate ligaments (ACLs) in the United States each year, the large vast majority of them ladies. And the timing of these injuries isn’t coincidental. For extra than two many years, researchers have recognized that ACL tears are more probable all through sure phases of the menstrual cycle, presumably due to the fact transforming hormone concentrations have an impact on ligament qualities.

It is not just ACLs: a new research in Frontiers in Physiology, from scientists at the University of Lincoln, Nottingham Trent University, and The Football Association, adopted women’s countrywide-group soccer players from England above a 4-calendar year period, and found evidence that muscle mass, tendon, joint, and ligament accidents are unevenly dispersed throughout the menstrual cycle. Hormones evidently impact injury risk—but the tricky aspect is figuring out what the mechanisms are and what to do about it.

The crucial variable

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