Comparison of postural performance of regional level (RL) and national and international level (NIL) groups of judoists with eyes open or closed
| RL group (n=9) | NIL group (n=11) | Vision-group interaction | ||||
|---|---|---|---|---|---|---|
| Variables in relation to posture | Eyes open | Eyes closed | Eyes open | Eyes closed | F | P |
| Values are mean (SEM). LVS, ratio of the statokinesigram length to its surface area; SVY, variation in speed on the anteroposterior axis. | ||||||
| Statokinesigram area (mm2) | 143.13 (59.85) | 170.90 (84.17) | 97.78 (54.81) | 215.69 (131.30) | 3.03 | 0.03 |
| Statokinesigram length (mm) | 529.05 (95.65) | 618.62 (133.61) | 423.54 (126.33) | 655.70 (260.12) | 5.62 | 0.03 |
| Average position in x (mm) | 0.52 (7.22) | 0.04 (4.69) | −3.33 (5.59) | −3.56 (6.83) | 0.01 | NS |
| Average position in y (mm) | −40.28 (13.70) | −41.65 (15.26) | −41.05 (21.84) | −43.61 (17.31) | 0.91 | NS |
| LVS | 1.28 (0.20) | 1.18 (0.17) | 1.08 (0.29) | 1.18 (0.35) | 9.08 | 0.008 |
| SVY | −4.78 (4.20) | −5.73 (4.33) | −7.12 (4.71) | −5.68 (3.56) | 4.28 | 0.05 |
| Stabilogram length in x (mm) | 293.13 (87.97) | 331.02 (109.44) | 225.11 (86.44) | 329.30 (156.52) | 3.22 | NS |
| Stabilogram length in y (mm) | 350.73 (79.96) | 428.25 (94.69) | 290.85 (81.11) | 477.46 (187.01) | 5.57 | 0.03 |
| Frequency spectrum of anteroposterior oscillations | ||||||
| Total energy (V2/Hz) | 46.84 (17.61) | 66.59 (33.93) | 33.05 (18.10) | 104.41 (52.89) | 11.2 | 0.003 |
| Low frequencies (V2/Hz) | 41.17 (18.28) | 58.21 (30.73) | 30.29 (17.80) | 92.11 (49.57) | 10.5 | 0.005 |
| Medium frequencies (V2/Hz) | 5.43 (5.00) | 7.96 (6.22) | 2.53 (1.95) | 11.60 (11.22) | 3.4 | NS |
| High frequencies (V2/Hz) | 0.26 (0.06) | 0.47 (0.27) | 0.25 (0.17) | 0.75 (0.54) | 3.45 | NS |
| Frequency spectrum of lateral oscillations | ||||||
| Total energy (V2/Hz) | 27.77 (20.81) | 44.01 (37.50) | 41.06 (30.44) | 37.19 (21.22) | 0.08 | NS |
| Low frequencies (V2/Hz) | 24.53 (19.31) | 37.89 (33.73) | 34.94 (28.24) | 31.15 (19.67) | 0.03 | NS |
| Medium frequencies (V2/Hz) | 3.11 (2.85) | 5.78 (4.81) | 5.97 (4.25) | 5.83 (3.69) | 0.85 | NS |
| High frequencies (V2/Hz) | 0.15 (0.10) | 0.37 (0.36) | 0.19 (0.14) | 0.25 (0.16) | 0.26 | NS |