Table 2. Comparisons of the paretic and nonparetic side of the abdominal wall muscles.
| Acute (n=10) | Sub-acute (n=10) | Chronic (n=10) | ||||
| Rest | Contracted | Rest | Contracted | Rest | Contracted | |
| TrA (P) | 2.9±0.1 | 4.1±1.0 | 2.6±0.5 | 3.5±0.6 | 2.9±0.9 | 4.1±0.9 |
| TrA (NP) | 3.0±0.1 | 4.3±1.0 | 2.9±0.5* | 4.1±1.1* | 3.4±0.6* | 4.8±0.8* |
| IO (P) | 5.7±1.1 | 6.9±1.4 | 5.6±1.7 | 7.6±2.6 | 6.2±2.0 | 8.0±2.6 |
| IO (NP) | 5.9±1.1 | 7.4±1.3 | 6.4±1.9* | 8.1±3.0 | 6.3±1.8 | 8.3±2.4 |
| EO (P) | 3.0±0.1 | 3.0±1.0 | 3.5±1.2 | 3.6±1.0 | 3.8±0.9 | 4.1±0.8 |
| EO (NP) | 3.0±0.1 | 3.0±1.0 | 3.7±1.9 | 3.8±1.0 | 4.2±1.1* | 4.3±1.0 |
Values are means ± SD. TrA, transverse abdominal muscle; IO, internal oblique muscle; EO, external oblique muscle; P, paretic side; NP, non-paretic side. *Significantly different from paretic side (p<0.05)