Table 3.
Normative data of pinch strengths (Tip, Key and Palmar) in kg force for men by age (n=526)
| Agea | Handb | Tip Pinch (kg) | Key Pinch (kg) | Palmar Pinch (kg) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | SEM | min-max | Mean | SD | SEM | min-max | Mean | SD | SEM | min-max | ||
| 20-24 | D | 9.5 | 1.7 | 0.24 | 6.5-14.3 | 11.5 | 1.4 | 0.19 | 9.0-14.5 | 12.9 | 2.2 | 0.30 | 7.1-17.7 |
| ND | 9.4 | 1.6 | 0.22 | 5.5-13.8 | 10.9 | 1.4 | 0.18 | 7.0-13.3 | 12.9 | 2.0 | 0.27 | 7.0-18.2 | |
| 25-29 | D | 9.6 | 1.9 | 0.30 | 6.5-14.5 | 11.1 | 1.6 | 0.25 | 7.7-15.5 | 11.7 | 2.5 | 0.39 | 6.7-21.0 |
| ND | 9.3 | 1.6 | 0.25 | 6.5-14.2 | 11.1 | 1.5 | 0.23 | 7.5-16.0 | 11.8 | 2.3 | 0.35 | 6.9-21.0 | |
| 30-34 | D | 9.1 | 2.3 | 0.38 | 3.0-17.5 | 11.1 | 1.6 | 0.27 | 8.0-15.0 | 11.6 | 2.7 | 0.44 | 6.5-19.9 |
| ND | 9.1 | 2.0 | 0.33 | 6.0-16.5 | 10.4 | 1.4 | 0.23 | 7.0-13.0 | 11.4 | 2.5 | 0.42 | 5.8-17.8 | |
| 35-39 | D | 9.5 | 1.9 | 0.30 | 5.5-15.1 | 11.1 | 1.7 | 0.27 | 7.3-15.7 | 11.2 | 2.5 | 0.39 | 5.9-19.0 |
| ND | 9.0 | 1.5 | 0.24 | 5.6-12.8 | 10.9 | 1.9 | 0.30 | 5.9-16.2 | 11.3 | 2.1 | 0.33 | 8.0-20.0 | |
| 40-44 | D | 9.2 | 1.5 | 0.24 | 6.2-13.2 | 11.6 | 1.8 | 0.28 | 8.5-15.5 | 11.3 | 2.2 | 0.36 | 6.0-16.4 |
| ND | 8.9 | 1.3 | 0.20 | 6.4-12.0 | 11.0 | 1.6 | 0.26 | 8.1-15.2 | 11.2 | 2.1 | 0.34 | 8.0-19.2 | |
| 45-49 | D | 9.1 | 1.4 | 0.22 | 6.5-14.0 | 11.1 | 1.4 | 0.22 | 7.9-16.5 | 10.4 | 2.4 | 0.36 | 5.9-18.0 |
| ND | 8.8 | 1.1 | 0.16 | 6.9-12.5 | 10.9 | 1.2 | 0.18 | 9.0-14.7 | 10.1 | 1.9 | 0.29 | 5.2-14.5 | |
| 50-54 | D | 8.6 | 1.6 | 0.22 | 5.8-13.4 | 10.5 | 1.4 | 0.20 | 6.8-14.4 | 9.9 | 2.0 | 0.29 | 5.3-16.0 |
| ND | 8.1 | 1.5 | 0.21 | 2.2-10.8 | 10.0 | 1.7 | 0.23 | 5.0-13.8 | 10.0 | 2.2 | 0.31 | 5.0-17.5 | |
| 55-59 | D | 8.6 | 1.9 | 0.29 | 4.2-16.2 | 10.8 | 2.0 | 0.31 | 5.1-16.8 | 10.0 | 3.1 | 0.49 | 5.5-22.0 |
| ND | 8.3 | 1.7 | 0.27 | 4.8-13.5 | 10.1 | 1.7 | 0.26 | 4.7-13.0 | 9.9 | 3.0 | 0.47 | 4.2-19.0 | |
| 60-64 | D | 8.9 | 2.0 | 0.30 | 4.3-14.5 | 10.6 | 1.6 | 0.24 | 7.2-15.5 | 9.6 | 2.5 | 0.37 | 5.5-15.7 |
| ND | 8.3 | 1.8 | 0.27 | 4.8-13.5 | 10.4 | 2.1 | 0.32 | 6.5-17.7 | 9.4 | 2.0 | 0.30 | 4.0-15.3 | |
| 65-69 | D | 8.3 | 1.7 | 0.27 | 5.0-12.7 | 9.9 | 1.3 | 0.21 | 6.8-12.5 | 8.4 | 1.7 | 0.27 | 4.2-13.0 |
| ND | 7.7 | 1.5 | 0.25 | 4.9-11.5 | 9.7 | 1.4 | 0.23 | 5.0-12.1 | 8.3 | 1.8 | 0.29 | 4.7-13.9 | |
| 70-74 | D | 8.1 | 1.6 | 0.24 | 3.5-13.5 | 9.9 | 1.2 | 0.18 | 7.0-12.5 | 8.5 | 1.4 | 0.21 | 4.7-12.5 |
| ND | 7.7 | 1.6 | 0.23 | 5.0-12.2 | 9.5 | 1.1 | 0.17 | 7.2-13.0 | 8.5 | 1.6 | 0.23 | 6.0-14.0 | |
| 75< | D | 7.3 | 1.4 | 0.21 | 4.1-12.3 | 8.9 | 1.3 | 0.19 | 6.0-11.9 | 7.6 | 1.2 | 0.18 | 4.8-10.4 |
| ND | 6.8 | 1.3 | 0.19 | 4.2-10.6 | 8.5 | 1.3 | 0.19 | 5.8-12.2 | 7.5 | 1.2 | 0.17 | 5.0-10.3 | |
| Total | D | 8.8 | 1.9 | 0.08 | 3.0-17.5 | 10.7 | 1.7 | 0.07 | 5.1-16.8 | 10.3 | 2.7 | 0.12 | 4.2-22.0 |
| ND | 8.4 | 1.7 | 0.07 | 2.2-16.5 | 10.3 | 1.7 | 0.07 | 4.7-17.7 | 10.2 | 2.6 | 0.11 | 4.0-21.0 | |
a Years/b D, Dominant hand; ND, Non-Dominant hand