Table 2. Total and regional rectus abdominis muscle volumes (values expressed in cm3, mean ± SD) and asymmetries.
| Segments | Soccer Players | Controls | ||||||||
| Dominant | Non-dominant | Total | ASY(%) | Dominant | Non-dominant | Total | ASY(%) | |||
| S1 | 26.3±5.9 | 25.6±4.6 | P = 0.54 | 51.9±9.9 | 0 | 20.0±3.3 | 20.8±5.4 | P = 0.57 | 40.8±8.3 | 4 |
| S2 | 32.0±8.1 | 31.2±7.6 | P = 0.62 | 63.2±14.6 | 0 | 23.1±6.1 | 20.0±6.3 | P<0.05 | 43.0±12.2 | −14 |
| S3 | 25.7±4.8 | 25.5±4.4 | P = 0.77 | 51.3±8.8 | 0 | 20.6±4.3 | 18.8±2.7 | P = 0.49 | 39.4±4.3 | −4 |
| S4 | 34.8±5.5 | 33.7±6.2 | P = 0.32 | 68.5±10.9 | −3 | 23.6±4.5 | 22.0±6.5 | P = 0.26 | 45.6±10.7 | −8 |
| S5 | 26.7±3.9 | 28.0±4.4 | P = 0.12 | 54.7±7.7 | 6 | 20.5±4.3 | 21.6±4.8 | P = 0.29 | 42.1±8.8 | 5 |
| S6 | 36.0±4.0 | 36.6±5.5 | P = 0.57 | 72.7±8.8 | 2 | 21.9±3.1 | 23.4±4.3 | P = 0.17 | 45.3±7.1 | 7 |
| S7 | 28.7±6.6 | 30.9±7.0 | P<0.01 | 59.6±13.3 | 8 | 19.0±2.4 | 20.7±2.0 | P<0.01 | 39.7±4.3 | 10 |
| S8 | 10.7±6.5 | 11.8±6.5 | P<0.01 | 22.5±12.9 | 14 | 9.2±5.7 | 11.7±6.3 | P<0.01 | 20.9±11.9 | 34 |
| Total | 220.9±26.8 | 223.4±25.3 | P = 0.42 | 444.3±50.9 | 1 | 157.7±23.8 | 159.0±27.0 | P = 0.75 | 316.7±67.7 | 1 |
Comparisons are made between dominant and non-dominant sides into each group.
ASY: Asymmetry between the dominant and non-dominant sides ((Non-dominant-Dominant)*100)/Dominant.