Table 2.
US and CT measurement
| US | CT | |||
|---|---|---|---|---|
| Trial 1 | Trial 2 | Average | ||
| 2ndMTH height (mm) | 21.2 ± 2.9 | 20.8 ± 2.8 | 21.0 ± 2.8 | 21.2 ± 2.6 |
| MS-5thMTH length (mm) | 62.6 ± 3.3 | 62.7 ± 3.3 | 62.7 ± 3.2 | 63.4 ± 2.8 |
| TAH (mm) | 13.4 ± 2.1 | 13.4 ± 2.2 | 13.4 ± 2.1 | 13.1 ± 2.2 |
| TAI (%) | 21.6 ± 3.5 | 21.4 ± 3.6 | 21.5 ± 3.4 | 20.7 ± 3.6 |
| SRA (°) | 16.1 ± 8.1 | 16.2 ± 7.1 | 16.1 ± 7.3 | 15.9 ± 8.1 |
| AUTA (mm2) | 902.0 ± 120 | 891.3 ± 112.7 | 896.7 ± 112.4 | 801.9 ± 111.4 |
Values are presented as a mean ± standard deviation
Abbreviations: MTH metatarsal head, MS-5thMTH length the length between the medial sesamoid bone and 5th metatarsal head, TAH transverse arch height, TAI transverse arch index, SRA sesamoid rotation angle, AUTA area under the transverse arch