Why is grip strength linked to longevity?

Grip strength serves as a proxy for overall neuromuscular function, muscle mass, and physiological reserve. Because it reflects the coordinated health of the nervous system and muscles broadly, it correlates strongly with outcomes like mortality, disability, and cognitive decline in large population studies, despite being a simple, quick measurement.

What is considered a healthy grip strength for age?

Healthy grip strength varies significantly by age and sex, generally peaking in the 20s to 30s and declining progressively afterward, with a steeper decline after age 60. There is no single universal cutoff; results are best interpreted relative to age- and sex-specific reference tables, ideally with guidance from a healthcare professional.

How can you improve grip strength as you age?

Resistance training, especially compound exercises like deadlifts, rows, and farmer's carries, along with dedicated grip work such as dead hangs, are commonly used to build and maintain grip strength. General muscle-building strength training tends to improve grip strength as a byproduct even without isolated grip exercises.

Is grip strength a better predictor of health than blood pressure?

Some large studies, including the PURE cohort study, found grip strength to be a stronger predictor of all-cause mortality than systolic blood pressure in the populations studied. This does not mean blood pressure is unimportant; both are considered valuable, low-cost health indicators, and grip strength is notable for how much it can predict from such a simple test.

Biomarkers

Grip Strength and Aging

Why a simple handgrip measurement has become one of the most studied biomarkers in aging research.

Updated July 9, 2026

Grip strength, typically measured with a handheld dynamometer, is one of the simplest physical tests available. It is also one of the most consistently studied biomarkers in aging research, showing up repeatedly in large cohort studies as a strong predictor of health outcomes that has little to do with hand strength itself.

What Grip Strength Actually Measures

Grip strength is not primarily useful because strong hands matter in daily life, though they do to some degree. It is useful as a proxy for overall neuromuscular function, muscle mass, and general physiological reserve. Because grip strength depends on the coordinated function of the nervous system, muscles, tendons, and joints, it reflects broader systemic health in a way that is quick and inexpensive to measure.

What the Research Shows

Large prospective studies, including the Prospective Urban Rural Epidemiology (PURE) study covering over 140,000 adults across 17 countries, found grip strength to be a stronger predictor of all-cause mortality than systolic blood pressure.
Lower grip strength relative to age and sex norms is associated with increased risk of cardiovascular disease, cognitive decline, disability, and hospitalization.
Grip strength decline often precedes other visible signs of frailty, making it a useful early-warning marker in older adults.
Grip strength correlates with, but is not identical to, overall muscle mass and strength, since hand and forearm musculature is only one component of total-body strength.

How Grip Strength Is Measured

Grip strength is measured using a handheld dynamometer, a device that records the force generated by squeezing it. Standard protocols typically take the best of three attempts per hand, using the dominant hand's result or an average of both hands as the recorded value. Reference ranges vary by age and sex, with strength generally peaking in the 20s to 30s and declining progressively thereafter, with a more pronounced drop after age 60.

Improving Grip Strength

Grip strength responds to general resistance training, particularly compound movements like deadlifts and rows that require sustained grip, as well as targeted grip work such as farmer's carries and dead hangs. Because grip strength is closely tied to overall muscle mass and neuromuscular function, broad-based strength training tends to improve it more reliably than isolated grip exercises alone.

Practical Note

A single grip strength measurement is most useful when compared against age- and sex-adjusted norms, and even more useful when tracked over time. This information is educational and not a substitute for a clinical assessment. Anyone concerned about declining strength or physical function should speak with a healthcare professional, who can assess for underlying causes.

Frequently Asked Questions

Why is grip strength linked to longevity?: Grip strength serves as a proxy for overall neuromuscular function, muscle mass, and physiological reserve. Because it reflects the coordinated health of the nervous system and muscles broadly, it correlates strongly with outcomes like mortality, disability, and cognitive decline in large population studies, despite being a simple, quick measurement.
What is considered a healthy grip strength for age?: Healthy grip strength varies significantly by age and sex, generally peaking in the 20s to 30s and declining progressively afterward, with a steeper decline after age 60. There is no single universal cutoff; results are best interpreted relative to age- and sex-specific reference tables, ideally with guidance from a healthcare professional.
How can you improve grip strength as you age?: Resistance training, especially compound exercises like deadlifts, rows, and farmer's carries, along with dedicated grip work such as dead hangs, are commonly used to build and maintain grip strength. General muscle-building strength training tends to improve grip strength as a byproduct even without isolated grip exercises.
Is grip strength a better predictor of health than blood pressure?: Some large studies, including the PURE cohort study, found grip strength to be a stronger predictor of all-cause mortality than systolic blood pressure in the populations studied. This does not mean blood pressure is unimportant; both are considered valuable, low-cost health indicators, and grip strength is notable for how much it can predict from such a simple test.