Gender at the Gym: How Workout Preferences Vary by Sex, Age

Younger people are less into the gender divide of classes for women and weightlifting for men. HowStuffWorks looks at where gym workouts are headed.
Workout trends are changing, as younger people are less into the gender divide of classes for women and weightlifting for men.

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PDF) Age and Gender-related Changes in Exercise Motivation among Highly Active Individuals.

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