Sports & Fitness: Performance Training, Rules & Recovery

Elite athletic performance and general fitness are sustained through structured hypertrophy strategies, sport-specific conditioning, and rigorous adherence to injury prevention protocols.

Young couple jogging in field, side view

How Do Men and Women Differ Athletically?

Athletic differences between men and women have much to do with innate characteristics determined by genetics and hormones. These include height, weight, muscle mass, body fat and aerobic capacity. As a group, women do not run, jump or swim as fast as men.

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Body mass index BMI

Differences Between Fat Free Mass & Lean Body Mass

The terms "lean body mass" and "fat-free mass" are used to describe body composition. Although they may be used interchangeably, they are not the same. Lean body mass includes fat that acts as fuel for energy production and other processes that are part of normal metabolism.

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