Why How You Squat Predicts How Long You Live

Of all the numbers people track for health — steps, resting heart rate, VO2 max — one of the most predictive is also one of the simplest: how well you can lower yourself to the floor and stand back up. It sounds almost too basic to matter. The research says otherwise.

The test behind the claim

The sitting-rising test (SRT) asks you to lower yourself to the floor and stand back up again, scored on a 0-10 scale based on how much support you need along the way — a hand on the floor, a knee, a hand on your leg to push off. A widely cited study published in the European Journal of Preventive Cardiology found this simple score was a meaningful predictor of mortality risk, independent of other health measures. A chair-based version exists too — the 30-second sit-to-stand test, first developed by researchers Rikli and Jones in 1999 — counting how many times you can rise from a seated position without using your hands, and it’s since become a standard tool for assessing an older adult’s ability to maintain independence.

Why this specific movement is such a good predictor

A sit-to-stand or floor-to-stand movement isn’t testing one thing — it’s testing strength, balance, and mobility simultaneously, in a way that most single-purpose fitness metrics don’t. You can run a respectable time in a race and still struggle to get up off the floor without using your hands; the two capacities don’t automatically travel together. That’s part of why researchers studying this keep circling back to the same conclusion: being generally active helps, but genuine functional longevity requires being reasonably capable across strength, balance, and mobility together, not excelling at just one.

There’s also a power component worth knowing about, separate from simple pass/fail scoring: how fast and forcefully you can complete the movement — not just whether you can do it — appears to decline before other, more commonly tracked measures of muscle function do, and researchers have identified a real inflection point where this kind of functional decline tends to accelerate, typically somewhere between age 65 and 75. That makes it a useful early signal, not just a late-stage warning.

What actually improves it

The research consistently points to the same three components, not squats alone:

Lower-body strength. Bodyweight squats, split squats, step-ups, and loaded squats (goblet squats with a dumbbell or kettlebell once bodyweight is comfortable) are the foundation. Two sessions a week, a few sets each, shows up consistently in the research on this specific outcome — and a 2019 study in Experimental Gerontology found that structured sit-to-stand practice over 12 weeks improved strength even in adults who started out physically frail.

Hip and ankle mobility. A low score is often a mobility problem as much as a strength one — tight hips or restricted ankles can block a clean, controlled descent even when the muscles involved are strong enough. Simple daily hip openers and ankle mobility work address this directly.

Balance and single-leg control. The small stabilizing muscles that let you trust a movement without needing to catch yourself get trained by things like single-leg stance work, slow tempo split squats, or a regular yoga or tai chi practice.

The number that actually matters is your own, over time

Scores naturally run lower for older adults, and that’s expected, not a red flag — the research on this is explicit that individual improvement over time is a far more useful thing to track than comparing your number to a younger person’s, or even to the general population average for your age. The point isn’t to hit a universal target. It’s to be measurably better at this a few months from now than you are today.

Starting safely

If getting up from the floor is currently difficult or feels unsafe, that’s exactly the population this research is describing — and exactly why the starting point should be a supported version, not the full unassisted movement on day one. A chair-assisted squat, working up gradually to less and less hand support, is a legitimate and research-consistent way to build toward it. Anyone with a significant balance concern, a recent fall, or a joint condition that makes floor transfers risky should start this kind of work under supervision rather than alone, and check with a doctor first if there’s any uncertainty about safety.

Where this fits with training

This is exactly the kind of outcome that benefits from a trainer who can watch the actual movement — catching whether a low score is a strength issue, a mobility restriction, or a balance issue, since the right starting point is different for each. Type A’s in-home senior fitness training builds this kind of functional strength and balance work directly into sessions, with a certified trainer watching form and adjusting the pace to what’s actually safe and effective for you. See how Type A’s senior fitness training works or book a free consultation to get started.