Table 2.
Ultrasound imaging of the abdominal wall and pelvic floor muscles.
| Measurement | DP (n = 16) | NDP (n = 16) | p-Value |
|---|---|---|---|
| Distance (cm) | |||
| IRD SUP rest | 0.93 ± 0.48 *† | 1.3 ± 0.69 * | 0.149 ‡ |
| IRD SUP contraction | 0.87 ± 0.5 * | 1.14 ± 0.61 * | 0.173 ** |
| IRD INF rest | 0.15 ± 0.15 * | 0.21 ± 0.14 * | 0.212 ** |
| IRD SUP contraction | 0.18 ± 0.16 | 0.22 ± 0.15 * | 0.428 ** |
| Thickness (cm) | |||
| RA rest | 0.93 ± 0.16 * | 0.93 ± 0.14 * | 0.958 ** |
| RA contraction | 1.17 ± 0.18 * | 1.21 ± 0.25 * | 0.624 ** |
| TrAb rest | 0.26 ± 0.06 * | 0.28 ± 0.06 * | 0.477 ** |
| TrAb contraction | 0.46 ± 0.11 * | 0.46 ± 0.14 * | 0.989 ** |
| IO rest | 0.49 ± 0.1 * | 0.55 ± 0.12 * | 0.131 ** |
| IO contraction | 0.59 ± 0.17 * | 0.65 ± 0.15 * | 0.27 ** |
| EO rest | 0.35 ± 0.07 * | 0.39 ± 0.11 * | 0.243 ** |
| EO contraction | 0.48 ± 0.15 * | 0.52 ± 0.17 * | 0.482 ** |
| APH (cm) | |||
| Rest | 3.75 ± 0.57 * | 3.66 ± 0.5 * | 0.635 ** |
| Contraction | 3.29 ± 0.46 * | 3.24 ± 0.35 * | 0.723 ** |
Abbreviations: EO, external oblique; IO, internal oblique; IRD, interrecti distance; SUP, supraumbilical; INF, infraumbilical; RA, rectus anterior; TrAb, transversus abdominis; APDH, anteroposterior diameter hiatus; * Mean (standard deviation) was applied. ** Student´s t-test for independent samples was performed. † Median (25th percentile, 75th percentile) was used. ‡ Mann–Whitney U test was utilized.