| Time 1 | Time 2 | Time 3 | ||||||
---|---|---|---|---|---|---|---|---|---|
Number of boys | Cobb angle(°) | Flexibility (%) | Cobb angle(°) | Flexibility (%) | Cobb angle(°) | Flexibility (%) | |||
sitting | supine | sitting | supine | sitting | supine | ||||
12a | 23.0 ± 5.6 | 10.8 ± 6.6 | 75.5 ± 5.0 | 30.9 ± 5.9 | 18.2 ± 6.6 | 57.1 ± 10.5 | 34.4 ± 4.4 | 22.2 ± 6.3 | 49.1 ± 10.0 |
25a | 11.1 ± 3.5 | 5.2 ± 3.3 | 60.7 ± 6.5 | 27.2 ± 3.2 | 13.7 ± 3.6 | 36.2 ± 9.2 |  | ||
31 | 22.4 ± 2.8 | 8.2 ± 3.0 | 86.2 ± 5.0 |  |