Table 2 Average tCSA, FSF, mCSA, and fCSA measured using both methods
Side | Muscle | tCSA (mm2) | FSF | ||||
Method 1 | Method 2 | p-value | Method 1 | Method 2 | p-value | ||
Left | Erector Sp. | 18.54 ± 4.97 | 16.17 ± 4.06 | < 0.001 | 0.42 ± 0.14 | 0.38 ± 0.14 | < 0.001 |
Multifidus | 9.08 ± 2.59 | 8.73 ± 2.44 | 0.016 | 0.47 ± 0.18 | 0.48 ± 0.18 | 0.216 | |
Right | Erector Sp. | 17.88 ± 5.31 | 15.71 ± 4.23 | < 0.001 | 0.43 ± 0.16 | 0.38 ± 0.16 | < 0.001 |
Multifidus | 9.14 ± 2.77 | 8.77 ± 2.48 | 0.003 | 0.46 ± 0.18 | 0.48 ± 0.17 | 0.209 | |
Side | Muscle | mCSA (mm2) | fCSA (mm2) | ||||
Method 1 | Method 2 | p-value | Method 1 | Method 2 | p-value | ||
Left | Erector Sp. | 10.63 ± 3.80 | 10.09 ± 3.65 | 0.001 | 7.92 ± 4.08 | 6.08 ± 2.98 | < 0.001 |
Multifidus | 4.90 ± 2.29 | 4.62 ± 2.18 | 0.037 | 4.18 ± 1.87 | 4.11 ± 1.71 | 0.603 | |
Right | Erector Sp. | 10.25 ± 4.24 | 9.85 ± 4.07 | 0.011 | 7.62 ± 3.54 | 5.86 ± 2.88 | < 0.001 |
Multifidus | 4.91 ± 2.32 | 4.55 ± 2.03 | 0.011 | 4.23 ± 2.15 | 4.22 ± 1.99 | 0.907 | |