Table 3.
Descriptive data of intrinsic muscle strength in female participants
| Age (y) | Muscles | n | Dominant hand
|
Nondominant hand
|
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Minimum | Maximum | Mean | SD | Minimum | Maximum | Mean | SD | |||
| 13 | APB | 17 | 24.60 | 49.35 | 33.83 | 7.49 | 15.45 | 50.50 | 33.18 | 9.62 |
| FDI | 17 | 28.30 | 43.65 | 33.58 | 3.96 | 15.30 | 47.55 | 32.77 | 9.18 | |
| FPB | 17 | 32.10 | 97.10 | 50.01 | 14.81 | 22.05 | 75.75 | 46.54 | 14.30 | |
| ADM | 17 | 11.95 | 30.70 | 19.76 | 4.83 | 13.25 | 30.10 | 19.96 | 4.99 | |
| FDILum | 17 | 12.50 | 51.75 | 33.24 | 9.26 | 11.40 | 58.23 | 34.95 | 9.98 | |
| 14 | APB | 11 | 17.50 | 49.90 | 31.16 | 8.18 | 20.30 | 39.95 | 32.95 | 5.71 |
| FDI | 11 | 14.40 | 49.80 | 33.18 | 9.13 | 18.15 | 51.60 | 35.86 | 11.75 | |
| FPB | 11 | 24.25 | 62.85 | 48.85 | 12.67 | 29.10 | 73.80 | 49.83 | 13.86 | |
| ADM | 11 | 10.00 | 26.75 | 19.96 | 6.05 | 10.45 | 31.25 | 21.48 | 6.57 | |
| FDILum | 11 | 21.90 | 64.30 | 36.09 | 12.79 | 21.60 | 48.35 | 32.62 | 8.08 | |
| 15–16 | APB | 17 | 19.70 | 45.10 | 30.82 | 6.28 | 19.55 | 42.55 | 30.94 | 8.03 |
| FDI | 17 | 17.70 | 46.30 | 33.74 | 8.04 | 20.85 | 43.95 | 30.89 | 7.30 | |
| FPB | 17 | 26.40 | 56.70 | 40.14 | 9.12 | 24.20 | 59.05 | 37.56 | 9.31 | |
| ADM | 17 | 11.45 | 30.85 | 20.48 | 5.76 | 11.55 | 30.65 | 19.35 | 5.14 | |
| FDILum | 17 | 18.60 | 47.55 | 32.84 | 7.99 | 14.75 | 40.25 | 28.47 | 7.77 | |
| 17–18 | APB | 10 | 27.20 | 55.65 | 40.76 | 10.83 | 22.20 | 47.35 | 33.64 | 8.65 |
| FDI | 10 | 23.30 | 44.20 | 34.06 | 7.95 | 13.55 | 49.75 | 31.20 | 11.61 | |
| FPB | 10 | 27.50 | 67.70 | 48.86 | 14.50 | 22.80 | 70.65 | 44.07 | 16.13 | |
| ADM | 10 | 10.00 | 34.75 | 18.36 | 7.61 | 9.50 | 32.90 | 19.86 | 7.68 | |
| FDILum | 10 | 25.50 | 52.00 | 33.73 | 8.11 | 20.95 | 46.95 | 31.43 | 8.96 | |
| 19–20 | APB | 13 | 28.15 | 41.05 | 33.24 | 4.34 | 27.15 | 47.35 | 34.85 | 6.28 |
| FDI | 13 | 31.80 | 50.10 | 40.98 | 5.85 | 21.60 | 53.30 | 37.14 | 10.17 | |
| FPB | 13 | 34.40 | 82.80 | 54.16 | 14.89 | 32.50 | 70.00 | 48.62 | 11.33 | |
| ADM | 13 | 13.30 | 33.45 | 22.42 | 5.67 | 13.05 | 36.60 | 23.73 | 7.04 | |
| FDILum | 13 | 25.65 | 75.00 | 39.78 | 13.81 | 26.40 | 63.60 | 38.24 | 9.77 | |
| All | APB | 68 | 17.50 | 55.65 | 33.55 | 7.91 | 15.45 | 50.50 | 32.97 | 7.83 |
| FDI | 68 | 14.40 | 50.10 | 35.04 | 7.40 | 13.55 | 53.30 | 33.41 | 9.81 | |
| FPB | 68 | 24.25 | 97.10 | 47.98 | 13.73 | 22.05 | 75.75 | 44.86 | 13.31 | |
| ADM | 68 | 10.00 | 34.75 | 20.28 | 5.83 | 9.50 | 36.60 | 20.76 | 6.17 | |
| FDILum | 68 | 12.50 | 75.00 | 34.92 | 10.49 | 11.40 | 63.60 | 33.06 | 9.37 | |
SD = standard deviation; APB = abductor pollicis brevis; FDI = first dorsal interosseous; FPB = flexor pollicis brevis; ADM = abductor digiti minimi; FDILum = interossei and lumbrical of second digit.