How strong is the evidence for Grip Strength?

Handgrip strength is one of the most extensively studied physical biomarkers in aging research. That evidence is currently rated strong (85/100), built on 7 published studies, including 5 meta-analyses -- enough for real confidence in the effect.

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Grip Strength

Strong evidence

Evidence

Impact

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Key studies behind this answer

Handgrip strength asymmetry is associated with mortality risk: Systematic review and meta-analysis.Meta-Analysis · Archives of gerontology and geriatrics · 2026 Thresholds of handgrip strength for all-cause, cancer, and cardiovascular mortality: A systematic review with dose-response meta-analysis.Meta-Analysis · Ageing research reviews · 2022 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.Meta-Analysis · Archives of physical medicine and rehabilitation · 2018