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ASTON (Asymptomatic Threshold in ON) formula estimates body composition from age and fitness level. It's used in athletic populations.

Guida passo passo

  1. 1Calculate body density from skinfold measurements or bioimpedance
  2. 2Convert to body fat percentage using Siri or Brozek formula
  3. 3ASTON estimates optimal body composition ranges

Esempi risolti

Ingresso
Young male athlete, density 1.07
Risultato
Body fat ≈ 9% (lean athletic range)
Using Siri formula

Errori comuni da evitare

  • Using athlete standards for non-athletes
  • Over-relying on single assessment method

Domande frequenti

Is ASTON specific to a sport?

More general tool; sport-specific norms vary significantly.

How accurate is body composition assessment?

DEXA is gold standard; bioimpedance, skinfolds 3-5% error.

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