The ACSM stated their national roadmap would focus on increasing physical activity rates among girls and women, with no explicit mention of desiring to achieve the same for boys and men. The ACSM’s rationale for this focus was that females have lower physical activity rates than males because of discrimination against females that limits their “access to physical activity resources.”

"Life expectancy for males is shorter than for females in every61719-X/fulltext) country in the world. Thus […] increasing physical activity rates among girls and women […] would exacerbate the existing sex differences in mortality

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