Table 2.
Descriptive statistics of peak torque and average power of trunk flexors and extensors based on BMI type.
| Variable | Mean ± SD |
F | p | |||
|---|---|---|---|---|---|---|
| Underweight (N = 45) | Normal weight (N = 45) | Overweight (N = 45) | Obese (N = 45) | |||
| PTTE at 60°/s | 89.573 ± 23.726 | 109.113 ± 28.161 | 79.188 ± 32.444 | 76.740 ± 37.135 | 10.312 | 0.000∗ |
| PTTF at 60°/s | 82.055 ± 24.884 | 136.286 ± 40.248 | 78.793 ± 26.8054 | 77.637 ± 29.247 | 38.228 | 0.000∗ |
| APTE at 60°/s | 36.104 ± 21.032 | 46.222 ± 19.363 | 35.6867 ± 25.39903 | 32.942 ± 19.001 | 3.352 | 0.020∗ |
| APTF at 60°/s | 28.600 ± 12.418 | 32.635 ± 11.834 | 24.0622 ± 19.64635 | 20.940 ± 17.683 | 4.767 | 0.003∗ |
| PTTE at 120°/s | 62.075 ± 23.234 | 102.688 ± 40.1513 | 66.404 ± 36.565 | 53.280 ± 23.090 | 21.165 | 0.000∗ |
| PTTF 120°/s | 72.757 ± 23.311 | 83.137 ± 24.04366 | 66.6733 ± 28.41589 | 59.9867 ± 34.449 | 5.5824 | 0.001∗ |
| APTE at 120°/s | 24.686 ± 12.827 | 36.8933 ± 8.998 | 28.5067 ± 11.7839 | 27.49267 ± 9.448 | 10.4903 | 0.000∗ |
| APTF at 120°/s | 17.271 ± 6.080 | 27.0133 ± 9.392 | 19.4822 ± 5.283 | 18.1822 ± 4.790 | 11.221 | 0.000∗ |
PTTE at 60°/s: Peak torque of trunk extensors at 60 degrees/second, PTTF at 60°/s: Peak torque of trunk flexors at 60 degrees/second, PTTE at 120°/s:Peak torque of trunk extensors at 120 degrees/second, APTF at 120°/s: Average power of trunk flexors at 120 degrees/second, APTF at 120°/s: Average power of trunk flexors at 120 degrees/second.APTE°/s at 120°/s: Average power of trunk extensors at 120 degrees/second.
∗ = Significant difference (p < 0.05).