30-Second Chair Stand (CDC STEADI)
30-Second Chair Stand (CDC STEADI): full sit-to-stand repetitions in 30 seconds compared with the below-average cut-point for age and sex.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Stands
- 9
- Age
- 75
- Sex
- Female
Result: 9 stands, below average for women aged 75 (cut-point 10).
The tool opens with these values already filled in. Replace them with your own.
What the result means
- at/above
- At or above the below-average cut-point for age/sex.
- below
- Below the age/sex cut-point — increased fall risk.
What you enter
- Stands
- Age
- Sex
How this is calculated
Jones CJ, Rikli RE, Beam WC. A 30-s chair-stand test as a measure of lower body strength in community-residing older adults. Res Q Exerc Sport. 1999;70(2):113-119. CDC STEADI (Stopping Elderly Accidents, Deaths & Injuries) below-average age/sex norms. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.