A person gripping a dumbbell with a flexed forearm against a plain background

Grip Strength: The Longevity Marker You Can Train

8 min read

Your hands may say more about your long-term health than your weight does. The strength of your grip, measured with one hard squeeze on a handheld device, tracks how much muscle and force your whole body can produce. In large studies that followed people for years, a weaker grip lined up with a higher risk of dying early, and the link held across rich and poor countries alike.

Grip strength is cheap to measure and hard to fake, which is why researchers reach for it so often. The reading also goes beyond the hand, tracking the muscle, nerve and heart health that supports strength across the body. A strong grip does not create a long life on its own, but it reflects the systems that do. Here is what the number means, what the evidence actually shows, and how to build a grip that lasts.

16%
higher risk of death per 5 kg weaker grip
Lancet PURE study, 139,691 adults, 2015
1.67x
death risk, weakest vs strongest grip quarter
BMJ meta-analysis, 14 studies, 2010
3.1M
adults in studies linking grip to mortality
Ageing Research Reviews, 48 studies, 2022
2 days
a week of strength work, all major muscles
NHS physical activity guidelines, 2024

What grip strength actually measures

Grip strength is measured with a handheld dynamometer, a device you squeeze as hard as you can. The reading, in kilograms, captures the force your hand and forearm can produce in one effort. On its own that might sound narrow, yet grip tracks strength across the whole body. People with a strong grip tend to carry more muscle, recruit it more efficiently, and have a heart and lungs that can support hard effort. It needs one cheap tool, takes seconds, and gives a number that is difficult to fudge.

Strength tends to fall with age. From the middle years onward, most adults lose muscle and force year by year unless they work to keep it. A weak grip in later life is one visible sign of that wider decline, and it often comes with frailty, slower recovery from illness, and a harder time with daily tasks such as carrying shopping or standing up from a low chair. Measuring grip gives a clinician or trainer a fast read on where someone sits on that curve, and whether the trend needs attention. The squeeze is a proxy for the strength built into the rest of you.

A weak grip rarely stands alone. It tends to mark wider losses in muscle, nerve and heart health.

What the large studies found

The clearest picture comes from the Prospective Urban Rural Epidemiology study, known as PURE. Researchers measured grip in 139,691 adults across 17 countries and followed them for about four years. After accounting for age, sex and other factors, the PURE study reported that each 5 kg drop in grip strength was linked to a 16 percent higher risk of death from any cause, a 17 percent higher risk of death from heart disease, the same 17 percent rise for other causes of death, and smaller rises for heart attack and stroke, at 7 and 9 percent. For death from any cause and from heart disease, grip strength was a closer predictor than resting systolic blood pressure, the authors reported.

Higher risk per 5 kg drop in grip strength Death, any cause 16% Cardiovascular death 17% Non-CV death 17% Heart attack 7% Stroke 9%
Risk increase for each 5 kg lower grip strength. Source: Leong DP, et al. Lancet, PURE study, 2015.

A 2022 systematic review pulled together 48 studies and more than three million adults aged 35 to 85. It found strong evidence that lower grip strength went with a higher risk of death from any cause, from cancer, and from heart disease. The link followed a dose-response curve, meaning risk fell in step as grip rose across the review's range of roughly 26 to 50 kilograms, rather than switching on at a single cut-off. A graded link that holds across millions of people is a strong form of evidence, though it cannot prove cause on its own.

An earlier BMJ meta-analysis set grip strength beside other tests of physical capability. Pooling 14 studies and more than 53,000 people, it found that those in the weakest quarter for grip were about 1.67 times as likely to die during follow-up as those in the strongest quarter. Walking speed was an even stronger predictor, with the slowest quarter about 2.87 times as likely to die as the fastest. Grip was the one test that also predicted risk in younger adults, not only in older groups.

Death risk: weakest vs strongest quarter 1x reference 1.67x Grip strength 2.87x Walking speed
Mortality risk, weakest versus strongest quarter. Source: Cooper R, et al. BMJ meta-analysis, 2010.

A marker, not a cause

It is worth being careful about what these numbers mean. Every one of these studies is observational. They show that grip strength and later health move together, not that squeezing harder adds years to your life. A weak grip is more likely a sign of something underneath, such as low muscle mass, poor nerve function, or an illness already at work, than a cause in itself. The PURE authors made the same point, calling for more research to test whether raising strength actually lowers the risk of death.

So the reading flags a problem rather than creating one. Chasing a higher grip number for its own sake, with a hand gripper in front of the television, misses the point. What the evidence supports is building and keeping strength across the whole body, and grip rises with it. The useful response to a weak grip is not a gadget. It is a plan for the muscle, movement and heart health that the grip reflects.

How to build and keep your strength

The national guidelines set a floor. The NHS advises adults to do muscle-strengthening activities that work all the major muscle groups on at least 2 days a week, alongside at least 150 minutes of moderate activity such as brisk walking. Strength work is the part most people skip. These four habits cover it.

1. Lift with your whole body
Compound moves such as squats, rows, presses and deadlifts build the large muscle groups that grip strength reflects. Two short sessions a week meet the guideline. Add load or reps over time so the work stays hard.
2. Carry heavy things
Loaded carries, where you walk holding a heavy weight in each hand, train grip, shoulders, core and legs together. A pair of heavy shopping bags counts. Thirty to sixty seconds of walking, repeated a few times, is a strong start.
3. Hang and hold
Dead hangs from a bar, and holds at the top of a row or the end of a carry, train the hands directly. Build the time you can hold on week by week. A few tens of seconds across a session adds up.
4. Feed the muscle, keep showing up
Muscle needs protein and regular training to grow and hold. Spread protein across your meals, keep aerobic activity in the week for your heart, and treat consistency as the real target. Strength built slowly is strength that stays.

Common mistakes

  • Treating a hand gripper as the whole answer, when overall strength training is what the evidence supports.
  • Testing grip once, reading too much into a single number, and ignoring the trend over months.
  • Skipping strength work and relying on cardio alone, which leaves the muscle side untrained.
  • Going too heavy too soon on hangs and carries, which strains the hands and forces a layoff.

Frequently asked questions

Does a stronger grip make me live longer?
Not on its own. The studies show that grip strength and long life move together, not that training grip causes it. A strong grip reflects muscle and heart health, and building those is the real aim.
How is grip strength measured?
With a handheld dynamometer that you squeeze as hard as you can. The result is given in kilograms. Clinics and researchers use it because it is quick, cheap and consistent.
What counts as a weak grip?
Thresholds vary by age, sex and the device used, so there is no single universal number. What matters more is the trend over time and how your grip compares with others of your age and sex. A clinician can interpret your reading.
Can I train my grip at home?
Yes. Dead hangs from a bar, loaded carries with heavy bags, and holding the top of a row all train the hands. The NHS advice to do strengthening work on at least 2 days a week is the backbone.
Is grip strength useful for younger adults?
The BMJ review found grip predicted mortality risk in younger groups too, not only in older people. Building strength early and keeping it is easier than rebuilding it later.

The bottom line

Grip strength is one of the simplest health checks we have, and in large international studies a weaker grip marked a higher risk of early death. It is a marker, not a cure, so the smart move is to build the whole-body strength it reflects. Two strength sessions a week, some heavy carries, and steady protein will do more for your long-term health than any single squeeze test. Train the strength, and let the grip follow.

Train for the long game
A strength plan built around your body and your week helps the habit stick. DT Fitness London offers evidence-based personal training and nutrition coaching in London. Book a consultation at dtfitnesslondon.com.

Sources

  • Leong DP, et al. Prognostic value of grip strength: findings from the PURE study. Lancet, 2015. pubmed.ncbi.nlm.nih.gov/25982160
  • Lopez-Bueno R, et al. Thresholds of handgrip strength for all-cause, cancer, and cardiovascular mortality. Ageing Research Reviews, 2022. pubmed.ncbi.nlm.nih.gov/36332759
  • Cooper R, et al. Objectively measured physical capability levels and mortality. BMJ, 2010. pubmed.ncbi.nlm.nih.gov/20829298
  • NHS. Physical activity guidelines for adults aged 19 to 64, 2024. nhs.uk
Back to blog