Two people can be the same age on paper and function very differently.
One may move easily, exercise regularly and remain physically strong. Another may already be losing strength, stamina or mobility.
That is why healthy-ageing research increasingly looks beyond chronological age.
One surprisingly useful measure is grip strength.
It cannot tell you how long you will live. But large studies suggest that weaker grip strength is associated with a higher risk of poor health outcomes and earlier death.
Key Takeaways
- Grip strength is a simple marker of physical function and overall strength.
- In a large international study, weaker grip was more strongly associated with mortality than systolic blood pressure.
- This does not mean that grip strength is more important than blood pressure or that it can predict an individual’s lifespan.
- Walking speed and cardiorespiratory fitness are other useful indicators of physical function and long-term health.
- Improving grip alone has not been shown to extend life. The bigger goal is maintaining whole-body strength, fitness and mobility.
Why Is Grip Strength Useful?
Grip strength reflects more than how strong your hands are.
It can provide clues about:
- Overall muscle strength
- Physical function
- Neuromuscular health
- Frailty risk
- Age-related physical decline
It is also quick and inexpensive to measure using a handheld dynamometer.
That makes it useful in both research and clinical settings.
What Did the Major Grip-Strength Study Find?
One of the best-known studies involved almost 140,000 adults across 17 countries.
Researchers in the Prospective Urban Rural Epidemiology, or PURE, study measured participants’ grip strength and followed their health outcomes.
For every 5 kg lower grip strength, the study found approximately:
- 16% higher risk of all-cause mortality
- 17% higher risk of cardiovascular mortality
- Higher risk of heart attack and stroke
Grip strength was also more strongly associated with all-cause and cardiovascular mortality than systolic blood pressure within the study.
That sounds striking, but it needs the right interpretation.
It does not mean grip strength matters more than blood pressure.
High blood pressure is a well-established and treatable cardiovascular risk factor that remains an important part of routine healthcare.
Grip strength simply appears to capture additional information about someone’s overall physical health.
In a Singapore-based cohort, handgrip strength and the Timed Up-and-Go test were also shown to predict short-term mortality among elderly participants, and a separate Singapore study of patients with advanced heart failure found that hand grip strength predicted both mortality and quality of life.
Does a Stronger Grip Mean You Will Live Longer?
Not necessarily.
The research shows an association, not causation.
A weaker grip may reflect broader issues such as:
- Lower overall muscle strength
- Reduced physical activity
- Frailty
- Chronic illness
- Poor nutrition
- Age-related decline
So repeatedly squeezing a hand gripper is unlikely to be a longevity strategy on its own.
The more useful goal is maintaining whole-body strength and physical capacity.
What About Walking Speed?
Walking speed is another simple marker linked with health and survival.
A major JAMA analysis followed more than 34,000 community-dwelling adults aged 65 and above.
A faster usual walking speed was associated with better survival, even after accounting for age and sex.
But there is no single walking speed that indicates how long someone will live.
Walking pace can be influenced by:
- Joint pain
- Injury
- Balance
- Neurological conditions
- Muscle strength
- Cardiovascular fitness
A noticeable decline in your usual walking speed may therefore be worth discussing with a healthcare professional, particularly as you get older.
Cardiorespiratory Fitness Matters Too
How well your heart, lungs and muscles work during exercise is another powerful health marker.
That does not mean everyone needs a laboratory VO₂ max test.
For most people, the practical message is simpler:
Maintaining aerobic fitness matters.
Regular walking, cycling, swimming, running or other suitable aerobic activity can help build that capacity.
What Should You Actually Track?
You do not need to turn healthy ageing into a collection of scores.
A few practical questions can be more useful:
Strength
Can you continue doing resistance exercise and everyday tasks comfortably?
Walking
Has your usual walking pace noticeably changed?
Fitness
Can you perform moderate activity without becoming unusually breathless or exhausted?
Function
Are everyday physical tasks becoming easier, staying stable or getting progressively harder?
The trend over time may tell you more than one isolated measurement.
Frequently Asked Questions
Is Grip Strength Really More Predictive Than Blood Pressure?
In the PURE study, grip strength was more strongly associated with all-cause and cardiovascular mortality than systolic blood pressure.
That does not mean blood pressure is less important. The two measures reflect different aspects of health.
What Counts as Good Grip Strength?
Grip strength varies by age, sex, body size and testing method.
There is no single target that is appropriate for everyone. A healthcare professional or physiotherapist can interpret dynamometer results using suitable reference values.
Can Training My Grip Help Me Live Longer?
There is no good evidence that improving hand grip alone extends lifespan.
Grip strength is better viewed as a marker of wider physical strength and function. Whole-body resistance training is more relevant than training the hands alone.
Do I Need a VO₂ Max Test?
No.
Formal exercise testing can be useful in some circumstances, but you do not need a laboratory VO₂ max score to benefit from improving your aerobic fitness.
The Bottom Line
Grip strength cannot tell you how many years you have left.
But it can provide useful information about physical function and health risk.
The same is true of walking speed and cardiorespiratory fitness.
Their value is not in revealing a hidden “true age”.
They reflect something much more practical:
How well your body can still perform.
Rather than chasing a perfect longevity score, focus on maintaining the abilities that support healthy ageing:
Strength. Fitness. Mobility. Function.
Sources
Leong DP, Teo KK, Rangarajan S, et al. Prognostic Value of Grip Strength: Findings From the Prospective Urban Rural Epidemiology (PURE) Study. The Lancet. 2015.
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(14)62000-6/abstract
Studenski S, Perera S, Patel K, et al. Gait Speed and Survival in Older Adults. JAMA. 2011.
https://pubmed.ncbi.nlm.nih.gov/21205966/
Mandsager K, Harb S, Cremer P, et al. Association of Cardiorespiratory Fitness With Long-Term Mortality Among Adults Undergoing Exercise Treadmill Testing. JAMA Network Open. 2018.
https://pubmed.ncbi.nlm.nih.gov/30646252/
Chua KY, Lim WS, Lin X, Yuan JM, Koh WP. Handgrip Strength and Timed Up-and-Go (TUG) Test are Predictors of Short-Term Mortality among Elderly in a Population-Based Cohort in Singapore. The Journal of Nutrition, Health & Aging. 2020.
https://pubmed.ncbi.nlm.nih.gov/32242204/
Dai KZ, Laber EB, Mentz RJ, Chen H, Malhotra C. Hand Grip Strength Predicts Mortality and Quality of Life in Heart Failure: Insights From the Singapore Cohort of Patients With Advanced Heart Failure. Journal of Cardiac Failure. 2023.
https://pubmed.ncbi.nlm.nih.gov/36526216/
Editorial Note
This article is intended for general educational purposes and should not replace personalised medical advice. Grip strength, walking speed and cardiorespiratory fitness are associated with health outcomes at a population level but cannot predict an individual’s lifespan or diagnose disease on their own. Results may also be influenced by age, sex, illness, injury and other health factors. Speak with a qualified healthcare professional if you are concerned about changes in your strength, mobility or physical fitness.