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// Body Hack
The 10-Second Stand
I spend over $20,000 a year on research feeds hedge funds use. Most of it is noise. But once in a while, one test cuts through.
This one comes from the CLINIMEX cohort in Rio de Janeiro. Dr. Claudio Gil Araújo gave 1,702 people one task: stand on one leg for ten seconds. Gaze fixed ahead, free foot on the back of the other calf. Up to three tries per foot.
One in five failed. And the failure rate roughly doubled with every five years of age past 51. Among adults 71 to 75, more than half could not hold it.
But here is the good news: balance is a skill. And skills respond to practice. A 2025 network meta-analysis pooled 103 studies (5,114 older adults) and ranked every type of training by how well it extended one-leg stance time. The winner was the Otago Exercise Programme: simple leg and balance drills, tested in over 1,000 people, shown to cut falls by 35%.
So I tried it. Day one: 11 seconds on my left, 14 on my right. By day 14, both legs topped 25 seconds. Here is how:
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Test yourself first: Stand barefoot near a counter (for safety, not for leaning). Lift one foot onto the back of your standing calf. Arms at your sides, eyes forward. Time how long you hold. Do both legs and write it down. |
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Build to 30 seconds per side: Three times a day, stand on one leg as long as you can, then switch. Use a counter or door frame as a safety rail. Three holds per leg, per session. That is about six minutes of work spread across the day. |
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Add challenge at week two: Close your eyes for 5 seconds at the end of each hold. Your brain has to lean on the inner-ear vestibular system and ankle sensors instead of sight. Once you can hold 10 seconds eyes-closed, try a folded towel under your foot for extra challenge. |
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Retest at week four: Run the same test from Step 1. Compare your scores. Otago data shows at least 12 weeks of practice (three or more sessions per week) is linked to gains in balance and fall prevention, though the effect fades if training stops. |
Participants: 1,702 · Age range: 51–75 · Mortality risk gap: 84%
→ Source: Araujo et al., British Journal of Sports Medicine 2022
→ Source: Zhang, BMC Geriatrics 2025 (network meta-analysis, 103 studies)
→ Source: Otago Exercise Programme (Campbell & Robertson, University of Otago)
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