Table 2 Comparison between the NLS group and LS-risk group on physical fitness tests and motor ability tests
All (n = 231) | NLS risk group (n = 200) | LS-risk group (n = 31) | t-test P-valuea | ANCOVA P-valueb | |
|---|---|---|---|---|---|
Physical fitness tests | |||||
Side-step test, point | 51.19 (4.2) | 51.37 (4.3) | 50.10 (3.2) | 0.114 | 0.133 |
Vertical jump test, cm | 63.84 (6.6) | 63.71 (6.7) | 64.74 (6.1) | 0.420 | 0.337 |
Back muscle strength, kg | 171.96 (30.2) | 171.69 (30.2) | 173.71 (30.5) | 0.729 | 0.520 |
Grip strength, kg | 51.42 (6.3) | 51.34 (6.1) | 51.97 (7.1) | 0.604 | 0.617 |
Trunk lift, cm | 59.22 (7.2) | 59.11 (6.9) | 59.97 (9.2) | 0.538 | 0.713 |
Standing trunk flexion, cm | 14.61 (5.6) | 14.42 (5.6) | 15.90 (5.8) | 0.171 | 0.211 |
Step-testc | 73.37 (14.4) | 73.83 (14.0) | 70.43 (16.4) | 0.222 | 0.250 |
Physical fitness scores, point | 28.13 (2.1) | 28.13 (2.1) | 28.13 (1.9) | 0.992 | 0.900 |
Motor ability tests | |||||
50-m run, s | 7.07 (0.3) | 7.07 (0.3) | 7.03 (0.3) | 0.534 | 0.434 |
1500-m run, s | 331.37 (31.8) | 331.45 (32.4) | 330.90 (28.5) | 0.930 | 0.839 |
Running long jump, cm | 528.99 (43.5) | 528.88 (43.4) | 529.71 (44.3) | 0.921 | 0.795 |
Hand-ball throw, m | 31.45 (4.1) | 31.31 (4.0) | 32.32 (4.5) | 0.199 | 0.211 |
Pull-up, point | 14.33 (5.4) | 14.37 (5.5) | 14.10 (4.7) | 0.795 | 0.826 |
Motor ability scores, point | 63.90 (12.2) | 63.74 (12.2) | 64.97 (12.4) | 0.602 | 0.505 |