Table 2. Descriptive statistics of various metacarpal measurements in males ( n = 50) .
| Metacarpal measurement | Thumb | 2nd metacarpal | 3rd metacarpal | 4th metacarpal | 5th metacarpal |
|---|---|---|---|---|---|
| Total metacarpal length (cm) | 4.75 ± 0.27 (4.23–5.41) |
6.88 ± 0.37 (6.26–7.83) |
6.66 ± 0.41 (5.35–7.57) |
5.92 ± 0.42 (5.25–7.88) |
5.35 ± 0.36 (5.73–6.65) |
| Metacarpal articular length (cm) | 4.63 ± 0.28 (4.02–5.40) |
6.65 ± 0.37 (5.94–7.47) |
6.49 ± 0.34 (5.82–7.26) |
5.72 ± 0.38 (5.11–7.36) |
5.14 ± 0.36 (4.45–6.43) |
| Head anteroposterior (mm) | 1.28 ± 0.15 (1.06–1.62) |
1.34 ± 0.10 (1.01–1.68) |
1.38 ± 0.11 (1.14–1.65) |
1.28 ± 0.09 (1.07–1.47) |
1.18 ± 0.08 (1.03–1.45) |
| Head mediolateral (mm) |
1.48 ± 0.14 (1.13–1.77) |
1.32 ± 0.12 (1.14–1.76) |
1.28 ± 0.12 (0.99–1.61) |
1.41 ± 0.10 (0.95–1.47) |
1.11 ± 0.14 (0.94–1.90) |
| Base anteroposterior (mm) | 1.45 ± 0.12 (1.02–1.68) |
1.50 ± 0.13 (1.23–1.78) |
1.46 ± 0.09 (1.26–1.65) |
1.20 ± 0.10 (0.98–1.65) |
1.04 ± 0.11 (0.75–1.43) |
| Base mediolateral (mm) |
1.48 ± 0.11 (1.26–1.76) |
1.43 ± 0.14 (1.12–1.71) |
1.22 ± 0.13 (0.90–1.54) |
1.13 ± 0.12 (0.91–1.48) |
1.22 ± 0.13 (1.00–1.53) |
| Midshaft anteroposterior (mm) | 8.60 ± 0.90 (6.92–10.7) |
8.66 ± 0.70 (7.26–9.65) |
8.93 ± 0.86 (7.13–10.4) |
7.38 ± 0.88 (5.91–9.82) |
6.76 ± 0.89 (5.20–9.55) |
| Midshaft mediolateral (mm) | 10.6 ± 1.38 (7.21–14.8) |
8.13 ± 0.77 (6.72–9.60) |
7.60 ± 0.71 (6.02–8.95) |
6.53 ± 0.89 (5.01–8.83) |
7.88 ± 0.85 (6.24–9.77) |
| Cortical thickness (mm) |
1.74 ± 0.39 (1.07–2.90) |
2.57 ± 058 (1.44–3.80) |
2.29 ± 0.52 (1.19–3.53) |
1.86 ± 0.48 (1.01–3.12) |
1.66 ± 0.38 (1.03–2.57) |
| Intramedullary diameter (mm) | 5.92 ± 0.89 (4.55–7.55) |
3.24 ± 0.82 (1.75–5.12) |
3.32 ± 1.02 (1.26–5.54) |
2.90 ± 0.92 (1.21–5.56) |
3.84 ± 1.12 (1.36–6.12) |