Grip Strength, Chair Stand and Gait Speed Norms
Compare three simple strength and mobility tests with published norms: grip strength by age and sex, the five-times chair stand, and walking speed.
Grip strength norms
The grip centiles come from 12 British studies covering ages 4 to 90. Grip rises to a peak in early adult life, holds through midlife and declines from midlife onwards; median peak grip was 51 kg in men (ages 29 to 39) and 31 kg in women (ages 26 to 42). Weak grip, at least 2.5 standard deviations below the peak mean, reached 23% of men and 27% of women by age 80, and the results held across dynamometer types and seated or standing positions.1 This calculator compares you with the centiles for the nearest age listed in the study.
The sarcopenia cut-offs
The European consensus on sarcopenia treats low muscle strength as its key sign, confirms the diagnosis with low muscle quantity or quality, and uses poor physical performance to mark severe sarcopenia.2 Its cut-offs for low strength are grip under 27 kg in men or 16 kg in women, or more than 15 seconds for five chair rises; for low performance, a walking speed of 0.8 m/s or less.2 A result past a cut-off is a reason to discuss further assessment, not a diagnosis.
Chair stand reference values
A meta-analysis of five-times sit-to-stand studies in people aged 60 and over found that times above 11.4 seconds (ages 60 to 69), 12.6 seconds (70 to 79) and 14.8 seconds (80 to 89) indicate worse than average performance.3
Walking speed and survival
In pooled data from 34,485 community-dwelling adults aged 65 and older, whose average walking speed was 0.92 m/s, survival rose across the whole range of speeds: each 0.1 m/s faster went with a hazard ratio for death of 0.88. At age 75, predicted 10-year survival ranged from 19% to 87% in men and from 35% to 91% in women across the range of speeds.4
How we check this calculator
Every time the site is built, the grip table in our code is compared value by value with the published table and the cut-offs with the consensus table, and an automated test checks every band and threshold against an independent implementation, including the published peak medians of 51 kg and 31 kg.
This calculator is for education. Norms describe how your result compares with others; they do not diagnose sarcopenia or frailty. Test safely, with support nearby if your balance is uncertain.
References
- 1Dodds RM, et al. "Grip strength across the life course: normative data from twelve British studies." PLoS One. 2014;9(12):e113637. PubMed · DOI
- 2Cruz-Jentoft AJ, et al. "Sarcopenia: revised European consensus on definition and diagnosis." Age Ageing. 2019;48(1):16-31. PubMed · DOI
- 3Bohannon RW. "Reference values for the five-repetition sit-to-stand test: a descriptive meta-analysis of data from elders." Percept Mot Skills. 2006;103(1):215-22. PubMed · DOI
- 4Studenski S, et al. "Gait speed and survival in older adults." JAMA. 2011;305(1):50-8. PubMed · DOI