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Understanding Female or Male Athlete Triad Compared to Relative Energy Deficiency in Sports

While the Female Athlete Triad may be better known among health professionals, there is evidence to support a comparable syndrome in males, and both conditions are distinct from Relative Energy Deficiency in Sports (RED-S).

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The Female Athlete Triad was officially described in 1997 by the Task Force on Women's Issues of the American College of Sports Medicine (ACSM). This syndrome, often observed in physically active adolescent and adult females, represents a spectrum of three distinct medical disorders including disordered eating, amenorrhea and osteoporosis. The most recent consensus statement from the ACSM in 2017 uses new terminology to describe these three interrelated components: energy availability, menstrual function and bone health...

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