Survey of 310 male and 328 females, ages 20-94, from suburban and rural seven-county Milwaukee area, and broad range of socioeconomic and occupational backgrounds.
Adapted from: Mathiowetz V, et al. 1985. Grip and pinch strength: normative data for adults. Arch Phys Med Rehabil, 66(2), 69-74.
see: Wikipedia: pooled variances"
Male | Female | ||||||||||||||
Right | Left | Right | Left | ||||||||||||
Age | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |||||||
20-29 | 120.9 | ± | 21.8 | 107.5 | ± | 19.4 | 72.5 | ± | 14.4 | 62.3 | ± | 12.7 | |||
30-39 | 120.8 | ± | 23.2 | 111.7 | ± | 21.7 | 76.4 | ± | 15.7 | 67.2 | ± | 15.0 | |||
40-49 | 113.4 | ± | 22.2 | 106.8 | ± | 21.7 | 66.3 | ± | 14.9 | 59.2 | ± | 13.6 | |||
50-59 | 107.4 | ± | 23.6 | 92.6 | ± | 22.5 | 61.6 | ± | 12.8 | 52.3 | ± | 12.4 | |||
60-69 | 90.4 | ± | 20.5 | 76.8 | ± | 20.1 | 52.4 | ± | 10.3 | 43.4 | ± | 9.5 |
Convert to:
   
(a)    
(b)