Palmar Pinch Strength (pounds)

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

MaleFemale
RightLeftRightLeft
AgeMeanSDMeanSDMeanSDMeanSD
20-2926.3±4.825.4±5.117.5±2.816.7±2.9
30-3925.5±4.525.7±5.618.4±4.717.6±4.2
40-4924.3±3.824.3±5.417.5±3.117.1±3.2
50-5923.8±5.122.6±4.916.7±3.215.9±3.0
60-6921.6±3.221.2±3.714.5±3.114.0±3.1

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(a)
   
(b)
Figure 11: Type of pinch dynaomometer used to measure "palmar" pinch strength (Work object supported between the pulps of the thumb and opposing fingers), (a). Grip strength versus age (adapted from Mathiowetz et al. 1985).