Table 1.
Changes in muscle thicknesses between baseline and 12 months later
| Muscles | Baseline (mm) |
12 months later (mm) |
Percent change (%) |
|---|---|---|---|
| *p < 0.05 compared with baseline. **p < 0.01 compared with baseline. | |||
| Rectus abdominis | 6.2±1.9 | 6.1±1.9 | 0.4±16.4 |
| External oblique | 4.9±1.2 | 4.9±1.5 | 1.6±22.5 |
| Internal oblique | 7.1±2.0 | 6.8±2.5 | -1.1±33.1 |
| Transversus abdominis | 3.2±1.0 | 3.1±1.1 | 0.8±23.3 |
| Erector spinae | 26.6±6.4 | 21.9±5.7* | -12.0±35.6 |
| Lumbar multifidus | 26.8±5.8 | 26.3±6.3 | 1.1±25.6 |
| Psoas major | 13.7±5.2 | 11.6±3.1 | -5.4±35.7 |
| Gluteus maximus | 15.3±4.0 | 14.8±4.8 | -1.7±23.4 |
| Gluteus medius | 15.5±4.4 | 15.2±5.0 | -0.1±27.2 |
| Gluteus minimus | 12.3±3.9 | 12.3±4.0 | 1.6±30.2 |
| Rectus femoris | 16.5±4.2 | 11.5±4.2** | -28.3±25.0 |
| Vastus lateralis | 13.2±3.9 | 10.6±3.4** | -17.3±25.2 |
| Vastus intermedius | 10.8±3.1 | 8.4±2.8** | -19.8±22.9 |
| Biceps femoris | 18.3±4.6 | 17.3±5.5 | -2.6±30.8 |
| Gastrocnemius | 11.3±3.3 | 10.9±2.4 | 1.8±26.4 |
| Soleus | 29.3±6.8 | 28.3±5.5 | -0.6±20.8 |
| Tibialis anterior | 21.8±3.1 | 18.7±2.5** | -12.8±14.0 |