What Your Grip Says About Your Health, Longevity, and Performance

Grip strength might seem like a small detail in the bigger picture of health and fitness, but the evidence tells a very different story. Used in physical assessments for over a century, it provides a simple measure of the force produced by the muscles of the hand and forearm. Today, it’s recognised as far more than a strength metric—it’s a powerful indicator of overall health, functional capacity, and long-term disease risk.

Because it can be measured quickly, cheaply, and reliably, grip strength offers a practical way to detect early signs of systemic decline. This early detection makes it possible to intervene while changes may still be reversible, helping to prevent more serious disease and loss of function.

In this article, we break down what grip strength reveals about the body, why it matters for both health and performance, and how personal trainers can use it as part of a broader assessment strategy.

What grip strength tells us about overall health

A growing body of research highlights the strong association between grip strength and multiple markers of health and mortality. A major review (1) identified grip strength as a fundamental indicator of muscle function and physical capability, with low values linked to a wide range of health concerns, including:

• Type 2 diabetes
• Cardiovascular disease
• Stroke
• Chronic kidney and liver disease
• Certain cancers
• Fragility fractures

Low grip strength is also strongly associated with sarcopenia—the age‑related decline in muscle mass and function—as well as increased hospitalisation, poorer nutritional status, reduced quality of life, and higher overall mortality.

Large‑scale population evidence

One of the most compelling pieces of evidence comes from the Prospective Urban Rural Epidemiology (PURE) study (2), which followed more than 140,000 participants across 17 countries for four years. The findings showed that:

• Lower grip strength was associated with higher all‑cause mortality
• It predicted non‑cardiovascular mortality, heart attack, and stroke
• It was a better predictor of cardiovascular and all‑cause mortality than systolic blood pressure

Another large‑scale analysis (3), involving over half a million adults, found that every 5‑kg reduction in grip strength increased the risk of death from any cause. Individuals classified as having muscle weakness (below 26 kg for men and 16 kg for women) faced significantly higher risks across almost all major health outcomes.

A surprising link with mental health

The relationship between grip strength and wellbeing extends beyond physical health. Evidence suggests a meaningful association with mental health outcomes as well. A large international study (4) involving 115,601 participants found that:

• Higher grip strength was consistently linked to a lower risk of depression
• Each incremental increase in grip strength corresponded to a measurable reduction in depressive symptoms
• The protective effect plateaued at around 40 kg in men and 27 kg in women

Crucially, this association remained even after adjusting for age, sex, physical activity, chronic disease, and socioeconomic status—suggesting that grip strength reflects deeper physiological and psychological resilience.

How grip strength reflects health and disease risk

We have seen what grip strength can tell us about health, but how can such a simple measure reveal so much about complex bodily systems and processes?

It’s important to understand that grip strength reflects the combined function of the nervous system, muscle mass, motor unit recruitment, and metabolic efficiency. As these systems decline early in many chronic diseases, reductions in grip strength often appear long before clinical symptoms become apparent (5).

If these changes can be spotted early enough, action may be taken to prevent more serious disease and loss of function.

What lower grip strength indicates

Lower grip strength is associated with:

• Impaired neuromuscular signalling
• Reduced mitochondrial function
• Systemic inflammation
• Poorer cardiovascular and metabolic health (6)

It also correlates with lower physical activity levels, reduced glucose handling, and diminished vascular function—all factors that help explain its strong association with cardiovascular disease, respiratory illness, and all‑cause mortality (2).

Grip strength is also a powerful indicator of ageing. As strength declines faster than muscle size, it provides an early signal of sarcopenia and systemic decline (7). This is why poorer grip strength predicts disability, hospitalisation, and earlier death across diverse populations (2).

Grip strength and athletic performance

Beyond health, grip strength is strongly linked to overall muscular strength and athletic performance. Research shows that individuals with higher grip strength tend to perform better in strength‑based and functional tasks (8).

One study (9) found that athletes with stronger grips performed better in sports requiring pulling, lifting, or striking force. Unsurprisingly, strength‑dominant athletes—such as powerlifters—displayed significantly higher grip strength than athletes in less force‑dependent sports.

Perhaps less obvious is that grip strength also correlates well with lower‑body strength and power, with studies show meaningful associations between grip strength and performance in both horizontal and vertical jump tests (10).

Functional independence and fall risk

Grip strength is equally relevant for functional independence. Reduced muscle strength can limit daily activities and increase injury risk, particularly in older adults. For example, older women with low grip strength have been shown to be 2.73 times more likely to fall than those with normal strength (11).

Why grip strength shouldn’t be your only performance measure

It’s important to be aware that while grip strength is a practical indicator of general strength and functional ability, it should not be used as the sole measure of physical performance. The relationship between grip strength and total muscle strength varies depending on the population and testing methods (8). Therefore, more specific assessments are often needed to build a complete picture of a client’s physical capabilities.

What this means for personal trainers

The evidence clearly demonstrates grip strength’s value goes far beyond being just a quick and convenient screening tool for physical strength. It provides a simple but powerful marker of overall physiological integrity by reflecting the combined function of the nervous system, muscle mass, motor unit recruitment, and metabolic efficiency.

These systems decline early in many chronic diseases, leading to reductions in grip strength, which often appear long before clinical symptoms are detected. If these changes can be spotted early enough, action may be taken to prevent more serious disease and loss of function.

It’s important to remember that as useful as grip strength is as a broad marker of physical capacity, it’s a proxy measurement. In other words, it doesn’t capture every detail of a system directly but gives a reliable indication of how that system is functioning. Therefore, more specific assessments may be needed to give a more nuanced appraisal of an individual’s health and functional status.

For personal trainers, understanding how to interpret and apply measures like grip strength is essential for delivering more effective, evidence-based coaching. This is where structured education becomes important. Our personal training courses are designed to help coaches move beyond surface-level fitness testing and develop a deeper understanding of assessment, programming, and long-term client outcomes—so they can make better decisions and deliver more meaningful results.

References

1.Vaishya R, Misra A, Vaish A, Ursino N, D’Ambrosi R. Hand grip strength as a proposed new vital sign of health: a narrative review of evidences. J Health Popul Nutr. 2024;43:7.

2.Leong DP, Teo KK, Rangarajan S, Lopez‑Jaramillo P, Avezum A, Orlandini A, et al. Prognostic value of grip strength: findings from the Prospective Urban Rural Epidemiology (PURE) study. Lancet. 2015;386(9990):266‑73.

3.Celis‑Morales CA, Welsh P, Lyall DM, Steell L, Petermann F, Anderson J, 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;361:k1651.

4.López-Bueno R, Calatayud J, Andersen LL, Casaña J, Koyanagi A, Del Pozo Cruz B, Smith L. Dose-response association of handgrip strength and risk of depression: a longitudinal study of 115 601 older adults from 24 countries. Br J Psychiatry. 2023 Mar;222(3):135-142. doi: 10.1192/bjp.2022.178. PMID: 36464972; PMCID: PMC9929711

5. Bohannon RW. Hand-grip dynamometry predicts future outcomes in aging adults. J Geriatr Phys Ther. 2008;31(1):3–10.

6. Manini TM, Clark BC. Dynapenia and ageing: muscle strength declines faster than muscle mass. J Gerontol A Biol Sci Med Sci. 2012;67(1):28–35.

7. Cruz‑Jentoft AJ et al. Sarcopenia: European consensus on definition and diagnosis. Age Ageing. 2010;39(4):412–23

8.Szaflik P, Zadoń H, Michnik R, Nowakowska‑Lipiec K. Handgrip strength as an indicator of overall strength and functional performance—systematic review. Appl Sci. 2025;15(4):1847.

9. Kouyoumdjian JA, Kahn A, de Azevedo FM. Comparison of handgrip strength among athletes from different sports. J Exerc Physiol. 2022;25(3):45‑53.

10. González‑Ravé JM, Clemente‑Suárez VJ, Navarro‑Valdivielso F. Handgrip strength as a predictor of muscular strength and endurance performance in young adults. J Strength Cond Res. 2011;25(8):2289‑95.

11. Neri SGR, Lima RM, Ribeiro HS, Vainshelboim B. Poor handgrip strength determined clinically is associated with falls in older women. J Frailty Sarcopenia Falls. 2021 Jun 1;6(2):43-49. doi: 10.22540/JFSF-06-043. PMID: 34131600; PMCID: PMC8173535.

Author

Paul Orridge

Paul Orridge BSc (Hons)

Paul Orridge is a graduate in the field of sport, exercise and health, and has over 30 years’ experience within the fitness industry. In this time, he has performed a variety of roles including personal training, lecturing and writing. Paul now works as a freelance technical author and subject matter expert within the fitness industry. His work is based on his practical experience gained working with a diverse range of people from very unfit, overweight individuals to highly conditioned athletes, and is underpinned by the latest research.