Table 3.
The changes in trunk muscle power, endurance and physical fitness of the subjects after 12 weeks CSE training.
| Variable (N⋅m) | Intervention group |
Control group |
Between-group difference in mean change from baseline |
||
|---|---|---|---|---|---|
| Baseline (n = 27) | 12 weeks follow-up (n = 27) | Baseline (n = 21) | 12 weeks follow-up (n = 21) | P value | |
| Trunk muscle power Flexor | |||||
| Average power per repetition | 56 (17.4) | 64 (13.0) | 54 (14.2) | 51.2 (17.9) | 0.031∗ |
| Peak torque | 78.5 | 84.2 | 74.8 | 68 | 0.032∗ |
| Trunk muscle power Extensor | |||||
| Average power per repetition | 110.2 (27.8) | 130.6 (23.7) | 104.7 (24.2) | 117.3 (25.8) | 0.221 |
| Peak torque | 174.7 | 191 | 160.7 | 169.3 | 0.402 |
| Trunk muscle endurance Flexor | |||||
| Average power per repetition | 69.1 (19.5) | 83.8 (17.7) | 69.2 (18.7) | 68.0 (21.1) | 0.011∗ |
| Peak torque | 70.5 | 78.1 | 66.7 | 65.8 | 0.089 |
| Trunk muscle endurance Extensor | |||||
| Average power per repetition | 141.2 (37.8) | 176.8 (36.0) | 136.5 (35.9) | 156.2 (29.7) | 0.102 |
| Peak torque | 152.1 | 176 | 144.1 | 158.4 | 0.280 |
| Physical fitness test | |||||
| Grip strength (kg) | 25.0 (2.9) | 24.6 (3.1) | 25.2 (4.1) | 25.3 (2.6) | 0.595 |
| Sit up (rep/60sec) | 20.7 (9.4) | 33.4 (8.5) | 24.0 (8.9) | 28.8 (8.0) | <0.001∗∗ |
| Side step (rep/20sec) | 29.6 (0.6) | 32.3 (0.7) | 31.3 (0.7) | 32.4 (0.8) | 0.043∗ |
| Standing broad Jump (cm) | 139.4 (18.6) | 143.7(20.2) | 147.5 (19.0) | 146.0 (15.7) | 0.053 |
The values are shown as the means (SD). ∗P < 0.05 was considered statistically significant. ∗∗P < 0.01 was considered statistically significant. Trunk muscle power; 5 repetitions were performed at 60°/sec, trunk muscle endurance; 15 repetitions were performed at 90°/sec.