Functional test

Single-leg balance

One-leg stand · Unipedal stance

How long you can stand on one leg with eyes open — a 30-second cliff-edge in cohort data.

Moderate relevance3 cited sourcesNo fastingFree.movement

What it measures

Time held on a single leg, eyes open, arms relaxed, before having to put the lifted foot down or grab support. Best of three trials. Captures lower-body strength, proprioception, vestibular function, and visual integration.

Reference context

2 guideline sources

Eyes-closed variant is much more difficult and not standardised across cohorts. Use eyes-open for trend tracking.

Population context — consult guideline targets below

Mechanism

Why moving this marker matters

Balance integrates multiple systems and is acutely sensitive to age-related decline. Araujo 2022 (Br J Sports Med, n=1,702 adults aged 51–75) showed that inability to stand on one leg for 10 seconds was associated with an 84% increased risk of all-cause death over 7 years.

Guideline targets

What major guidelines recommend

Araujo 2022 (mortality threshold)

Moderate

≥10 seconds — associated with substantially lower 7-year mortality

Population norms

Moderate

Healthy adults under 60 typically hold ≥30 seconds eyes-open; declines steeply with age.

How to measure

The test, where to get it, when to repeat

Method

Stand on one leg, eyes open, hands on hips or relaxed. Time from foot lift until foot touches down or support is needed. Three trials per leg, take the best.

Where

Free at home; included in many physiotherapy and primary-care batteries.

Typical cost

Free.

Fasting

Not required

When to test

  • STEADI (CDC)

    65+

    Part of the falls risk assessment in adults 65+.

  • Araujo 2022

    51+

    The 10-second test is a useful single-point marker in adults 51+.

How to test

Doing this test

This is a self-test — no equipment needed. A timer or tape measure is usually enough. Your GP can confirm the protocol if you want validation.

Context

Reading the numbers

Eyes-closed variant is much more difficult and not standardised across cohorts. Use eyes-open for trend tracking.

Caveats

Acute inner-ear conditions, lower-limb pain, or medication-induced dizziness substantially affect single readings.

See also

Related markers

Take to your physician

Worth discussing

  • If unable to hold 10 seconds, whether balance training and falls-risk evaluation are warranted.
  • Whether vestibular or visual contributors should be investigated.

Sources

Cited literature

Edited by Carl Pöhl, MD · Healicus editorial

Last reviewed May 2026

Educational reference. Population-level information for the longevity-curious reader. Healicus does not compute scores, interpret your specific values, or produce personalised recommendations from your clinical data. Discuss your own results and any decisions with your physician.

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