Skeletal Muscle Mass Index Calculator

Calculate Skeletal Muscle Mass Index (SMI) from appendicular lean mass and height to assess sarcopenia risk, used clinically to identify age-related muscle mass decline.

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🏅 Sports Note: These calculators provide estimates based on population data and validated formulas. Individual results vary by physiology, training level, and testing conditions. Consult a qualified coach or sports scientist for personalized guidance.
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How It Works

Calculate Skeletal Muscle Mass Index (SMI) from appendicular lean mass and height to assess sarcopenia risk, used clinically to identify age-related muscle mass decline

Each component has a specific meaning:

  • Appendicular lean mass — The appendicular lean mass recorded for the scenario being assessed.
  • Height — The height recorded for the scenario being assessed.

Note: Interpret the smi calculator result against the thresholds and context described above.

How to Use

Enter the appendicular lean mass, height for the scenario you are assessing. Calculate Skeletal Muscle Mass Index (SMI) from appendicular lean mass and height to assess sarcopenia risk, used clinically to identify age-related muscle mass decline. Use the smi calculator result to inform your calculation.

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Frequently Asked Questions