---
title: "Grip-Strength Dynamometer — Evidence, Benefits & Where to Buy | Magellan"
description: "Grip-Strength Dynamometer — A hand-grip (handgrip) dynamometer is a simple handheld device that measures the maximal isometric force a person can…"
url: "https://magellanlongevity.com/p/153.md"
canonical: "https://magellanlongevity.com/p/153.html"
html: "https://magellanlongevity.com/p/153.html"
type: "product"
section: "Diagnostics & Epigenetic Tests"
evidence_grade: "Measurement tool"
evidence_tier: "tool"
citations: 16
product_id: 153
price_usd: 45
updated: 2026-09-02
author: "Gabriel Radu, DO"
author_credentials: "Physiatrist (PM&R). NY medical license 275110. NPI 1376861765."
publisher: "Magellan Longevity"
content_format: "markdown"
license: "Educational content — not medical advice"
---

# Grip-Strength Dynamometer

[Home](https://magellanlongevity.com/) › [Diagnostics & Epigenetic Tests](https://magellanlongevity.com/c/2.md) › Grip-Strength Dynamometer

**HTML version:** https://magellanlongevity.com/p/153.html · **In the Magellan app:** https://magellanlongevity.com/#/product/153

## Key facts

| Field | Value |
| --- | --- |
| Product | Grip-Strength Dynamometer |
| Category | [Diagnostics & Epigenetic Tests](https://magellanlongevity.com/c/2.md) |
| Evidence grade | Measurement tool (B) |
| Peer-reviewed citations | 16 |
| Typical listed price | $45.00 (check the live price) |
| Where to buy | [Search Amazon](https://www.amazon.com/s?k=Grip-Strength%20Dynamometer&tag=magellanlong-20) |
| Catalog ID | 153 |

## What it is

A hand-grip (handgrip) dynamometer is a simple handheld device that measures the maximal isometric force a person can generate by squeezing, reported in kilograms or pounds. Grip strength reflects overall skeletal-muscle strength and depends on coordinated muscle, tendon, joint, and nervous-system function, making it a convenient proxy for global muscular fitness. Muscular strength rises through early adulthood, peaks around ages 30-39, and declines thereafter, a loss that accelerates with age and physical inactivity. Because the test is quick, inexpensive, and non-invasive, low grip strength is used clinically as a core diagnostic criterion for sarcopenia (age-related loss of muscle mass and function) and as a general marker of vitality.

## Its role in longevity

Across large prospective cohorts and meta-analyses, lower grip strength is consistently associated with higher all-cause and cardiovascular mortality, incident cardiovascular disease, disability, and, in some studies, cognitive decline and depression, often predicting outcomes as well as or better than systolic blood pressure. These associations have led researchers to propose grip strength as a new vital sign of health, and low grip strength anchors consensus definitions of sarcopenia, while reference ranges from more than 125,000 healthy adults in 21 countries allow one home measurement to be compared against age- and sex-specific norms. Importantly, grip strength is a marker or proxy of underlying physiological robustness rather than a proven cause of longevity; associations with some outcomes (such as longitudinal cognitive change) are weaker or inconsistent, and normal cut-off values differ by sex, age, and population. This evidence concerns handgrip strength as a biomarker and its measurement by dynamometry, not this specific commercial dynamometer product.

## Evidence grade: Measurement tool

- **What the grade means:** Graded as an instrument: how accurately it measures, and whether measuring it changes anything.
- **Dose used in studies:** Three squeezes per hand, seated, elbow at 90 degrees, best value recorded - and the same chair, same arm position, same time of day every time. Monthly is plenty. What matters is your own trend over years, not where you sit against a population chart.
- **What this grade does not say:** Grip strength is one of the most durable prognostic markers in epidemiology: in PURE across 17 countries and in half a million UK Biobank participants, lower grip tracked all-cause and cardiovascular mortality, and it did so after adjustment and across very different populations. This specific device also clears the bar that most consumer instruments fail - the Camry digital dynamometer has been tested head-to-head against the Jamar, the reference instrument, with excellent reliability and correlations of 0.97-0.99, so a cheap unit is genuinely measuring the thing. Two honest caveats - grip strength is a marker of overall muscle and health rather than a target in itself, and squeezing a dynamometer more often will not move it, since the intervention that moves it is resistance training, which is graded separately and is where the actual benefit lives. The second is that this is the site's second grip dynamometer: it measures exactly what the other one measures, the other is graded strong, and nothing in the evidence says a 200 kg-capacity unit tells a middle-aged adult anything a 90 kg one does not - buy one, and let price decide which.

## In the news

- **Why grip strength may be one of the best predictors of how well and how long you live** — National Geographic 2026 [Read it](https://www.nationalgeographic.com/health/article/grip-strength-health-longevity)
  > Grip strength is so predictive of longevity that large population studies consistently associate weaker grip strength with higher mortality risk from all causes, including cardiovascular disease and cancer.
- **The Importance of Grip Strength: Exploring its Link to Longevity** — Stanford Lifestyle Medicine 2023 [Read it](https://lifestylemedicine.stanford.edu/what-does-grip-strength-indicate-about-your-health/)
  > As it pertains to grip strength, the three age-acceleration clocks looked at in the study found significant associations to suggest that greater grip strength can help one protect their body from physically aging faster.

## The research

Peer-reviewed studies on the active compound. Quotes are verbatim from the cited abstract. Research describes the active mechanism and is not a claim about this specific product.

### Cited studies

1. **Evidence: Handgrip strength (muscle strength)**
   BMJ 2018 · [PMID 29739772](https://pubmed.ncbi.nlm.nih.gov/29739772/) · [DOI 10.1136/bmj.k1651](https://doi.org/10.1136/bmj.k1651)

   > Higher grip strength was associated with a range of better health outcomes

2. **Thresholds of handgrip strength for all-cause, cancer, and cardiovascular mortality: a meta-analysis**
   Ageing Res Rev 2022 · [PMID 36332759](https://pubmed.ncbi.nlm.nih.gov/36332759/) · [DOI 10.1016/j.arr.2022.101778](https://doi.org/10.1016/j.arr.2022.101778)

   > lower handgrip strength associated with higher all-cause, cancer, and cardiovascular mortality risk

3. **Association of Muscle Strength With All-Cause Mortality in the Oldest Old: a 28-country cohort**
   J Cachexia Sarcopenia Muscle 2024 · [PMID 39439054](https://pubmed.ncbi.nlm.nih.gov/39439054/) · [DOI 10.1002/jcsm.13619](https://doi.org/10.1002/jcsm.13619)

   > Muscle strength is gradually and inversely associated with mortality risk in the oldest old

4. **Prognostic value of grip strength: findings from the Prospective Urban Rural Epidemiology (PURE) study.**
   Lancet 2015 · [PMID 25982160](https://pubmed.ncbi.nlm.nih.gov/25982160/) · [DOI 10.1016/S0140-6736(14)62000-6](https://doi.org/10.1016/S0140-6736%2814%2962000-6)

   > Grip strength was inversely associated with all-cause mortality (hazard ratio per 5 kg reduction in grip strength 1.16, 95% CI 1.13-1.20; p<0.0001), cardiovascular mortality (1.17, 1.11-1.24; p<0.0001)

5. **Muscular Strength as a Predictor of All-Cause Mortality in an Apparently Healthy Population: A Systematic Review and Meta-Analysis of Data From Approximately 2 Million Men and Women.**
   Arch Phys Med Rehabil 2018 · [PMID 29425700](https://pubmed.ncbi.nlm.nih.gov/29425700/) · [DOI 10.1016/j.apmr.2018.01.008](https://doi.org/10.1016/j.apmr.2018.01.008)

   > Higher levels of handgrip strength were associated with a reduced risk of all-cause mortality (HR=0.69; 95% CI, 0.64-0.74) compared with lower muscular strength

6. **Evidence: quantifies handgrip-force biomarker**
   J Ren Nutr 2019 · [PMID 30827839](https://pubmed.ncbi.nlm.nih.gov/30827839/) · [DOI 10.1053/j.jrn.2019.01.002](https://doi.org/10.1053/j.jrn.2019.01.002)

   > Handgrip strength as a predictor of all-cause mortality

7. **Associations of handgrip strength with morbidity and all-cause mortality of cardiometabolic multimorbidity.**
   BMC Med 2022 · [PMID 35655218](https://pubmed.ncbi.nlm.nih.gov/35655218/) · [DOI 10.1186/s12916-022-02389-y](https://doi.org/10.1186/s12916-022-02389-y)

   > Our study provided novel evidence that HGS could be an independent predictor of morbidity and all-cause mortality of CM.

8. **Hand grip strength as a proposed new vital sign of health: a narrative review of evidences.**
   J Health Popul Nutr 2024 · [PMID 38195493](https://pubmed.ncbi.nlm.nih.gov/38195493/) · [DOI 10.1186/s41043-024-00500-y](https://doi.org/10.1186/s41043-024-00500-y)

   > We believe that there is adequate evidence to show that HGS stands as an important biomarker of health.

9. **Associations Between Aging-Related Changes in Grip Strength and Cognitive Function in Older Adults: A Systematic Review.**
   J Gerontol A Biol Sci Med Sci 2019 · [PMID 29528368](https://pubmed.ncbi.nlm.nih.gov/29528368/) · [DOI 10.1093/gerona/gly046](https://doi.org/10.1093/gerona/gly046)

   > All studies concluded that cognitive function and grip strength declined, on average, with increasing age, although with little to no evidence for longitudinal associations among rates of change.

10. **International norms for adult handgrip strength: A systematic review of data on 2.4 million adults aged 20 to 100+ years from 69 countries and regions.**
    J Sport Health Sci 2024 · [PMID 39647778](https://pubmed.ncbi.nlm.nih.gov/39647778/) · [DOI 10.1016/j.jshs.2024.101014](https://doi.org/10.1016/j.jshs.2024.101014)

    > Muscular strength is a powerful marker of current health status and robust predictor of age-related disease and disability.

11. **Sarcopenia: European consensus on definition and diagnosis: Report of the European Working Group on Sarcopenia in Older People.**
    Age Ageing 2010 · [PMID 20392703](https://pubmed.ncbi.nlm.nih.gov/20392703/) · [DOI 10.1093/ageing/afq034](https://doi.org/10.1093/ageing/afq034)

    > For the diagnosis of sarcopenia, EWGSOP recommends using the presence of both low muscle mass + low muscle function (strength or performance).

12. **Depression and Handgrip Strength Among U.S. Adults Aged 60 Years and Older from NHANES 2011-2014.**
    J Nutr Health Aging 2018 · [PMID 30272097](https://pubmed.ncbi.nlm.nih.gov/30272097/) · [DOI 10.1007/s12603-018-1041-5](https://doi.org/10.1007/s12603-018-1041-5)

    > Our findings demonstrate handgrip strength has a significant inverse association with depression.

13. **Modifiable risk factors, cardiovascular disease, and mortality in 155 722 individuals from 21 high-income, middle-income, and low-income countries (PURE): a prospective cohort study.**
    Lancet 2019 · [PMID 31492503](https://pubmed.ncbi.nlm.nih.gov/31492503/) · [DOI 10.1016/S0140-6736(19)32008-2](https://doi.org/10.1016/S0140-6736%2819%2932008-2)

    > In MICs and LICs, household air pollution, poor diet, low education, and low grip strength had stronger effects on cardiovascular disease or mortality than in HICs.

14. **Reference ranges of handgrip strength from 125,462 healthy adults in 21 countries: a prospective urban rural epidemiologic (PURE) study.**
    Journal of cachexia, sarcopenia and muscle 2016 · [PMID 27104109](https://pubmed.ncbi.nlm.nih.gov/27104109/)

    > PURE normative study providing age- and sex-specific grip-strength reference ranges from 125,462 healthy adults in 21 countries.

15. **Validity and reliability of Squegg device in measuring isometric handgrip strength.**
    European review for medical and pharmacological sciences 2023 · [PMID 37975349](https://pubmed.ncbi.nlm.nih.gov/37975349/)

    > Validation study finding a consumer Bluetooth dynamometer (Squegg) measures isometric grip strength with acceptable validity and reliability against a clinical reference device.

16. **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 · [PMID 28549705](https://pubmed.ncbi.nlm.nih.gov/28549705/) · [DOI 10.1016/j.jamda.2017.03.011](https://doi.org/10.1016/j.jamda.2017.03.011)

    > For lowest versus highest category of grip strength, the HRs (95% CIs) were 1.41 (1.30-1.52) for all-cause mortality, 1.63 (1.36-1.96) for cardiovascular diseases and 0.89 (0.66-1.20) for cancer.

## Where to buy

[Search Amazon for Grip-Strength Dynamometer](https://www.amazon.com/s?k=Grip-Strength%20Dynamometer&tag=magellanlong-20) — affiliate search link.

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## Scope and disclosures

Educational information, not medical advice. Nothing here is intended to diagnose, treat, cure, or prevent any disease. Talk to your physician before starting any supplement or device, especially if you are pregnant, nursing, or taking medication.

Editorial firewall: evidence grades are assigned from the published research and are independent of any affiliate commission. As an Amazon Associate, Magellan Longevity earns from qualifying purchases.

Reviewed for accuracy by a board-certified physician (DO).