La force de préhension est l'un des auto-tests les plus simples et les plus solides de la qualité de votre vieillissement. Une poigne plus faible prédit une vie plus courte, davantage de maladies cardiaques, plus d'incapacités à un âge avancé et un déclin cognitif plus rapide.
Ce lien se vérifie chez près de 140 000 adultes de l'étude PURE et chez trois millions de personnes supplémentaires dans des données regroupées.
Findings & Outcomes
What It Predicts
PURE followed nearly 140,000 adults across 17 countries. Each 11 lb (5 kg) less grip came with about a 16% higher death rate, and a weaker grip predicted death more strongly than blood pressure did.
The pattern repeats at scale. Pooling 42 cohorts and three million people reproduced the link, in men and women alike, and it held after excluding those who were already sick. In the largest cohort, grip showed no association with diabetes, fractures, fall injuries or chest infections, so it points to no single disease. Most of this evidence is observational. A low reading partly picks out people already ill or frail, so the number tells you as much about your health now as about your future.
The Research & Studies
Everything here is based on the research we have collected and checked, sorted into groups and ordered with the strongest evidence first. Click any claim to open the studies behind it.
Progress Markers
Chaque baisse de force de préhension de 11 lb (5 kg), 16 % de taux de décès en plus chez 140,000 adultes de 17 pays
Dans une étude portant sur près de 140,000 personnes dans 17 pays, chaque baisse de force de préhension de 11 lb (5 kg) s'accompagnait d'environ 16 % de risque de décès en plus au cours des années suivantes, et la force de préhension prédisait mieux le décès que la pression artérielle.
L'étude Prospective Urban Rural Epidemiology (PURE) a mesuré la force de préhension une seule fois avec un dynamomètre Jamar chez 139,691 adultes âgés de 35 à 70 ans et les a suivis pendant une durée médiane de 4.0 ans. Chaque réduction de 11 lb (5 kg) était associée à la mortalité toutes causes confondues (RR 1.16, IC à 95 % 1.13 à 1.20) et à la mortalité cardiovasculaire, indépendamment de l'âge, de l'éducation, de l'emploi, de l'activité physique, du tabac et de l'alcool. Les auteurs présentent la force de préhension comme un marqueur pronostique simple et peu coûteux de la santé générale, et non comme une cible thérapeutique.
Who this may not transfer to:Unusually well balanced for this literature at 58% women, spread across 17 countries of differing income levels.
The study · 1
Leong et al., prognostic value of grip strength: findings from the PURE study · Lancet 2015;386(9990):266-273
Chaque baisse de force de préhension de 11 lb (5 kg), environ 20 % de mortalité cardiovasculaire en plus chez 500,000 adultes britanniques
Chez environ 500,000 adultes britanniques, une force de préhension plus faible s'accompagnait d'une probabilité plus élevée de développer une maladie cardiaque et d'en mourir, chez les hommes comme chez les femmes.
La UK Biobank a mesuré la force de préhension chez environ 500,000 adultes et les a suivis en moyenne 7.1 ans. Par baisse de 11 lb (5 kg) de la force de préhension, la mortalité toutes causes a augmenté (RR 1.20 chez les femmes, 1.16 chez les hommes) et la mortalité cardiovasculaire a augmenté (1.19 chez les femmes, 1.22 chez les hommes), avec en parallèle une incidence plus élevée de maladie cardiovasculaire, de maladie respiratoire et de certains cancers. L'ajout de la force de préhension à un modèle de risque établi a apporté une petite amélioration de la prédiction, ce qui est attendu d'un marqueur général de la réserve physiologique.
Who this may not transfer to:Reported separately by sex, with closely matching hazard ratios in men and women; the cohort is healthier and more affluent than the UK average, which tends to shrink observed associations.
The study · 1
Celis-Morales et al., associations of grip strength with cardiovascular, respiratory, and cancer outcomes and all-cause mortality in UK Biobank · BMJ 2018;361:k1651
Tiers le plus faible pour la force de préhension à l'âge mûr, environ deux fois plus de handicap 25 ans plus tard
Les hommes ayant la force de préhension la plus faible à l'âge mûr avaient environ deux fois plus de risque de se retrouver handicapés ou limités dans les tâches quotidiennes 25 ans plus tard, par rapport aux hommes les plus forts.
Le Honolulu Heart Program a mesuré la force de préhension chez 3,218 hommes en bonne santé âgés de 45 à 68 ans et a réévalué leur fonction 25 ans plus tard. Les hommes du tiers inférieur pour la force de préhension initiale avaient environ deux fois plus de risque de limitations fonctionnelles et de handicap que le tiers supérieur, après ajustement pour l'âge, la taille et la présence de maladies chroniques. La force mesurée à l'âge mûr chez des personnes apparemment en bonne santé se prolongeait comme un signal de la façon dont le corps tiendrait le coup.
Who this may not transfer to:Measured only in Japanese-American men. Grip norms differ by sex, so the absolute cut-points do not transfer to women, though the direction of the association (weaker midlife grip, more later disability) is echoed in mixed-sex cohorts.
The study · 1
Rantanen et al., midlife hand grip strength as a predictor of old age disability · JAMA 1999;281(6):558-560
Chaque 11 lb (5 kg) de force de préhension en moins, taux de mortalité toutes causes confondues supérieur de 16 % regroupé sur 3 millions d'adultes
Dans 42 études et trois millions de personnes, chaque 11 lb (5 kg) de force de préhension en moins était associée à un taux de mortalité environ 16 % plus élevé, la même ampleur que celle trouvée dans la plus grande cohorte isolée, et le lien se maintenait aussi bien chez les hommes que chez les femmes et persistait après avoir écarté les personnes déjà malades.
Wu et ses collègues ont combiné 42 études de cohortes prospectives couvrant 3,002,203 adultes. Par 11 lb (5 kg) de force de préhension en moins, la mortalité toutes causes confondues augmentait de 16 % (HR 1.16, IC à 95 % 1.12 à 1.20) et la maladie cardiovasculaire de 21 % (1.21, 1.14 à 1.29), avec une relation dose-réponse à peu près linéaire jusqu'à environ 123 lb (56 kg), tandis que le cancer ne montrait aucune association (1.01, 0.98 à 1.05). Les associations ne différaient pas selon le sexe et persistaient après exclusion des participants ayant une maladie cardiovasculaire ou un cancer à l'inclusion, ce qui restreint sans l'éliminer l'explication par causalité inverse, puisqu'une maladie non diagnostiquée peut encore réduire la force de préhension.
Who this may not transfer to:Pooled from cohorts of both sexes; the meta-analysis found the association did not differ between men and women, though absolute grip values and thresholds differ by sex.
The study · 1
Wu et al., association of grip strength with risk of all-cause mortality, cardiovascular diseases, and cancer in community-dwelling populations: a meta-analysis of prospective cohort studies · J Am Med Dir Assoc 2017;18(6):551.e17-551.e35
Force de préhension plus élevée, risque de démence plus faible dans 16 cohortes combinées
Dans une nouvelle étude combinée à 16 études antérieures, les personnes plus fortes étaient moins susceptibles de développer une démence ou de perdre leurs fonctions cognitives avec le temps.
Un rapport de 2022 de GeroScience a combiné 16 cohortes prospectives, incluant sa propre nouvelle analyse de la cohorte KIHD, et a trouvé que la force de préhension était inversement associée à la déficience cognitive et à la démence ultérieures. Le lien est cohérent dans sa direction à travers les cohortes, mais le schéma est observationnel de bout en bout, il établit donc une association robuste plutôt qu'un effet causal ou entraînable sur le cerveau.
Who this may not transfer to:The pooled cohorts include both sexes; the association holds in men and women, though absolute grip values and thresholds differ between them.
The study · 1
Kunutsor et al., grip strength and risk of cognitive outcomes: systematic review and meta-analysis · GeroScience 2022;44(4):2007-2024
Measurement And Diagnosis
Le test de première ligne pour la sarcopénie, en dessous de 60 lb (27 kg) chez les hommes et 35 lb (16 kg) chez les femmes
La principale définition européenne de la perte musculaire liée à l'âge utilise la force de préhension comme premier élément à vérifier : moins de 60 lb (27 kg) pour les hommes ou 35 lb (16 kg) pour les femmes signale une sarcopénie probable.
L'European Working Group on Sarcopenia in Older People, en révisant sa définition de 2010 après une revue des données probantes, a placé la force musculaire en tête du parcours diagnostique car la force prédit mieux les issues défavorables que la masse musculaire. La force de préhension, étant peu coûteuse et fiable, est la mesure recommandée de la force, avec des seuils de 60 lb (27 kg) (hommes) et 35 lb (16 kg) (femmes) signalant une sarcopénie probable en attendant confirmation par une mesure de la masse.
Who this may not transfer to:Thresholds are set separately for men and women; they are calibrated to European reference data and may need adjustment in other populations.
The study · 1
Cruz-Jentoft et al., sarcopenia: revised European consensus on definition and diagnosis (EWGSOP2) · Age Ageing 2019;48(1):16-31
How it works
Grip peaks near 112 lb (51 kg) for men and 68 lb (31 kg) for women, then falls from midlife
La force de préhension est maximale au début de la trentaine (environ 112 lb (51 kg) pour les hommes, 68 lb (31 kg) pour les femmes en moyenne) et diminue avec l'âge, comparez donc votre valeur à celle d'autres personnes de votre âge et de votre sexe, et non à un chiffre unique.
Dodds and colleagues pooled twelve British studies covering 49,964 participants from childhood to old age to build life-course centile curves for grip strength. Grip rises through youth, peaks in the early thirties, holds through the forties and declines from midlife, with men consistently stronger than women. The curves let a single reading be placed as a centile for a person's age and sex, which is the only way a raw kilogram figure carries meaning.
Who this may not transfer to:Centiles are published separately for males and females across the life course; they are derived from British samples and may sit differently in other populations.
The study · 1
Dodds et al., grip strength across the life course: normative data from twelve British studies · PLoS One 2014;9(12):e113637
Repeatable to r above 0.8 when you average three fixed-posture squeezes
A hand dynamometer gives a repeatable number if you keep the same posture, hand and device each time, and it is usually best to average three squeezes; your dominant hand reads about 10% higher.
Mathiowetz and colleagues established the reliability and validity of grip and pinch measurement, finding high test-retest reliability for grip when a standardized seated posture (elbow at 90 degrees, forearm neutral) and the mean of three trials are used. The work underpins the American Society of Hand Therapists protocol. Because the reading is sensitive to posture, instrument and effort, comparability over time depends on holding those constant.
Who this may not transfer to:The protocol and reliability apply to both sexes; only the absolute values differ, which is why readings are always placed against sex-specific norms.
The study · 1
Mathiowetz et al., reliability and validity of grip and pinch strength evaluations · J Hand Surg Am 1984;9(2):222-226
Muscle And Strength
Training raises grip in older adults, a small but real gain (SMD about 0.28)
Exercise, especially resistance training, does raise your grip number in older adults by a few kilograms, so the score responds to work even though the way to move it is training the whole body.
Labott and colleagues pooled exercise trials in older adults and found a positive overall effect on handgrip strength (standardized mean difference about 0.28), driven by task-specific and multimodal training. The gains are modest in absolute terms. Grip rises when overall muscular strength rises, so the lever is whole-body resistance training, not isolated hand-squeezing work.
Who this may not transfer to:The pooled trials include men and women; the relative response to training is similar, while starting values and absolute gains differ by sex.
Treat grip as a readout of total-body strength. Build it with the movements that build everything else, carries, deadlifts, rows and presses, and add a little dedicated grip work (heavy holds, thick-bar or towel work) only if a weak grip is limiting your other lifts. See resistance training for how to load and progress it.
The study · 1
Labott et al., effects of exercise training on handgrip strength in older adults: a meta-analytical review · Gerontology 2019;65(6):686-698
What It Is
Grip strength is how hard your hand can squeeze, measured in kilograms on a hand dynamometer. A hard squeeze needs muscle, nerves, nutrition, and general vitality in shape at once, so the number stands in for the whole body. Your dominant hand is usually about 10% stronger, so note which hand you use.
How to Measure It
Sit with your feet flat and shoulders relaxed, elbow bent to about 90 degrees, forearm and wrist neutral. Squeeze as hard as you can for a couple of seconds. Take three squeezes per hand with a short rest between, then record the best or the average of the three. Because strength varies with age and sex, judge your number against others of your age and sex.
How to Improve It
Because a strong squeeze comes from total-body strength, you raise it by building strength across the whole body. In pooled exercise trials in older adults, whole-body training is the approach with the strongest evidence. Five foundational lifts carry most of the load: squats, deadlifts, rows, presses and loaded carries. A loaded carry, walking a set distance while holding heavy dumbbells or a loaded handle, loads the grip hard while training the whole posterior chain. Dedicated grip work, such as heavy static holds, thick-bar or towel training and farmer-style holds, is a small add-on, useful mainly when a weak grip limits your other lifts.
Grip predicts these outcomes; training the grip alone does not prevent them. The 42-cohort link is with whole-body strength, not the hands.
Go Deeper
- Self-measures hub: grip alongside walking speed, the chair stand, blood pressure and the other home self-checks, each with the protocol its numbers came from.
- Resistance training: the lever for grip, and how to load and progress whole-body strength safely.
- Protein and muscle: the daily protein that lets strength training build muscle.
- Biological aging: why strength tracks the pace of aging, and the limits of reading any single marker.
- Balance and fall prevention: the other half of staying steady and independent, a separate capacity from strength.
What It Is Not
European clinicians use grip as the first-line strength check for sarcopenia. Below 60 lb (27 kg) in men and 35 lb (16 kg) in women, they call sarcopenia probable, a threshold to investigate, not a diagnosis.
Reading Grip Strength Well
Everything to be aware of is here, in one place. This practice suits most healthy people; a few situations call for real care.
No link to diabetes, fractures, fall injuries or chest infections
Grip works as a general alarm because it reads the condition of the whole body, which is also why it does not point to a specific cause. In PURE, grip predicted death and cardiovascular events but showed no significant link to incident diabetes, hospitalization for pneumonia or COPD, fall injury or fracture. A low reading is a reason to look at overall strength, activity and health, and to see a clinician about any sudden or one-sided weakness, not a diagnosis on its own.Leong et al., prognostic value of grip strength: findings from the PURE study
A low number is a signal, not a diagnosis
A hard squeeze depends on the whole body, so a low reading points to your overall strength, activity, and health. Use it to prompt action and, where warranted, a conversation with a clinician.
Local hand problems change the reading on their own
Hand or thumb osteoarthritis, a recent wrist or hand injury, carpal tunnel, tendon pain, or a rheumatoid flare can all lower grip on their own. None of these reflect whole-body strength. A one-sided drop, especially with pain, points to something local in that hand.
See a clinician for sudden weakness
A gradual change over months fits normal tracking. Sudden weakness in one hand or on one side, numbness, slurred speech, or a drooping face are stroke signs. Get urgent medical care.
Keep the test consistent, and stop if it hurts
The number is comparable over time only when the posture, hand and instrument stay the same, so a change in method can look like a change in strength. Squeeze hard, but stop short of joint pain, and if a maximal squeeze aggravates a sore wrist or thumb, ease off and track the trend with everyday tasks instead.
Start slow, be smart, read the research, and consult a professional if you have any concerns. This is here to inform your choice, not make it for you.
Common Questions
What is a good grip strength for my age?
Judge it against your age and sex, since men are stronger than women at every age. In large British data, grip peaks in the early thirties, about 112 lb (51 kg) for men and 68 lb (31 kg) for women. It holds through the forties, then declines from midlife.
Will a hand gripper or a tennis ball help?
A gripper or a squeezed tennis ball builds the grip muscles in your hands and forearms. The reserve that makes grip predict health comes from whole-body strength, and resistance training raises grip in older adults by a few kilograms while building that reserve.
What if I do not have a dynamometer?
A dynamometer gives you a number you can compare to research and track to the kilogram. The Jamar is the reference model, and a cheaper digital one still tracks your own trend even where it does not match a Jamar exactly. Without one, watch everyday tasks. A stiff jar that is suddenly hard to open, two grocery bags carried up the stairs, wringing out a towel, holding a heavy pan steady: watch for those. A clear, recent drop in any of them is worth acting on, especially when you also feel generally weaker.
Does grip strength predict dementia?
Stronger people are less likely to develop cognitive decline and dementia. Early, undiagnosed brain changes can lower activity and grip years before a diagnosis, so the evidence is observational and cannot prove cause. That signal pools 16 cohorts, including a new KIHD study, where a weaker grip tracked with aging in the brain and the body.
Explore Related
Other pages this one connects to, by the evidence they share, the outcomes they touch, and the ground they cover.
All 10 sources on this page independently checked and cross-referenced.
Thomas Dehli, Founder & Editor, Sacred Lotus
Sacred Lotus has published Chinese medicine reference material since 2001. Integrative pages are held to the same standard as the herb and formula library: cite the source, grade the claim at its real strength, and say where the research has not looked. This page is educational and it is not medical advice. Last reviewed and updated August 10, 2026.
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