Their percentage of body fat ranged from 13.8% to 35.3% in men, and from 26.4% to 42.8% in women.

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She needs to reduce her waist size a bit more, which she can do by doing more muscle-strengthening exercise to lower her percentage of body fat.

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Now it's body fat percentage.

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To perhaps the greatest amusement of outsiders, Arthur suggested that some players had unacceptably high numbers of skinfolds, a measure of body-fat percentage and indirectly of fitness.

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