Research brief · 2026-09-09
What Does Grip Strength Actually Predict?
Grip strength is one of the simplest measurements in medicine: squeeze a handheld device as hard as you can. What makes it interesting is how consistently that number tracks survival in very large groups of people.
The PURE study, published by Leong and colleagues in The Lancet in 2015, followed 139,691 adults aged 35 to 70 across seventeen countries for a median of four years. After adjustment, every five kilogram reduction in grip strength was associated with a sixteen percent higher risk of death from any cause and a seventeen percent higher risk of cardiovascular death. The association was stronger than the one the study found for systolic blood pressure, and it held across rich and poor countries alike.
A 2018 analysis of 502,293 UK Biobank participants by Celis-Morales and colleagues in the BMJ found a similar size of effect and extended it. Weaker grip tracked with higher mortality from cardiovascular disease, respiratory disease and several cancers including colorectal, lung and breast. Adding grip strength to a standard office risk score modestly improved its ability to predict death and cardiovascular events.
Two newer findings add texture. A 2026 meta-analysis by Ran and colleagues in Archives of Gerontology and Geriatrics pooled nine cohorts and 900,253 people and found that asymmetry between the two hands carried its own twelve percent higher mortality risk, independent of overall strength. And a 2024 dose-response meta-analysis in Renal Failure found that in chronic kidney disease the curve was U-shaped: risk fell as grip rose to about twenty-eight kilograms, then ticked back up.
The limit is fundamental. Every study here is observational. Grip was measured and people were followed; nobody tested whether raising grip strength lowers anyone's risk. Grip may be a marker of overall reserve rather than a target in itself, and no single cut-point works across populations. Questions about what a personal reading means belong with a physician.
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
- Celis-Morales CA, Welsh P, Lyall DM, et al. Associations of grip strength with cardiovascular, respiratory, and cancer outcomes and all cause mortality: prospective cohort study of half a million UK Biobank participants
- BMJ 2018
- Ran M, Yu Y, Chen L, Zhou X. Handgrip strength asymmetry is associated with mortality risk: Systematic review and meta-analysis
- Archives of Gerontology and Geriatrics 2026
- Chen H, Zhang F, Huang L, et al. Thresholds of handgrip strength for all-cause mortality in patients with chronic kidney disease: a dose-response meta-analysis
- Renal Failure 2024
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