30-Second Chair Stand Test Percentile

Score the 30-second chair stand test and compare to age- and sex-specific normative data to assess lower extremity strength and fall risk.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How to Use

Enter the values for the scenario you are assessing. Score the 30-second chair stand test and compare to age- and sex-specific normative data to assess lower extremity strength and fall risk. Use the chair stand test result to inform your calculation.

Frequently Asked Questions