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The US Navy body fat method estimates body fat percentage from circumference measurements (neck, waist, hip for women) and height, without requiring expensive body composition equipment. It was developed for military fitness standards.
ステップバイステップガイド
- 1Male: %BF = 86.010×log10(waist−neck) − 70.041×log10(height) + 36.76
- 2Female: %BF = 163.205×log10(waist+hip−neck) − 97.684×log10(height) − 78.387
- 3All measurements in inches for the original formula
- 4Accuracy ±3–4% compared to DEXA (gold standard)
解いた例
入力
Male: neck 38cm · waist 85cm · height 175cm
結果
Body fat ≈ 17%
Healthy range for adult males: 10–22%
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