Table 1.
Descriptive statistics (mean ± standard deviation) of aerobic performances, and differences among players in various playing positions in the game (F-test, η2 – partial eta squared).
| Defenders (n = 39) |
Midfielders (n = 32) |
Forwards (n = 11) |
F-test (p) | η2 | |
|---|---|---|---|---|---|
| Age (years) | 23.56 ± 2.04F | 22.78 ± 2.57F | 27.36 ± 1.75D,M | 17.56 (0.01) | 0.30 |
| Body height (cm) | 182.61 ± 8.69 | 180.47 ± 6.02 | 181.45 ± 0.52 | 0.80 (0.45) | 0.02 |
| Body mass (kg) | 78.1 ± 7.17 | 74.62 ± 4.4F | 80.09 ± 6.09M | 4.5 (0.01) | 0.01 |
| InStat index | 246.56 ± 28.61 | 254.9 ± 29.41 | 239.9 ± 43.18 | 1.16 (0.31) | 0.03 |
| VO2max (ml kg−1 min−1) | 57.83 ± 1.38 | 57.71 ± 4.96 | 56.72 ± 3.65 | 0.44 (0.64) | 0.01 |
| AeT speed (km/h) | 13.41 ± 0.67M,F | 14.31 ± 0.89D,F | 12.18 ± 1.40D,M | 25.36 (0.01) | 0.39 |
| AT speed (km/h) | 16 ± 0.76 | 16.46 ± 0.80F | 15.45 ± 0.93M | 7.25 (0.01) | 0.15 |
| Maximal HR (beat · min−1) | 193.31 ± 7.15M | 188.34 ± 10.02D | 192.82 ± 6.54 | 3.3 (0.04) | 0.08 |
| Maximal running speed (km/h) | 18.67 ± 0.70F | 18.63 ± 1.10F | 17.45 ± 0.93D,M | 8.27 (0.01) | 0.17 |
| Test time (s) | 660.69 ± 28.35 | 662.13 ± 68.56 | 629.27 ± 53.73 | 1.89 (0.16) | 0.05 |
| Vo2max at AT (ml kg−1 min−1) | 53.59 ± 2.00F | 52.49 ± 3.90 | 50.74 ± 1.49D | 4.52 (0.01) | 0.10 |
| Vo2max at AT (%) | 92.72 ± 3.19F | 91.08 ± 2.76 | 89.65 ± 3.33D | 5.34 (0.01) | 0.12 |
| HR at AT (beat · min−1) | 185.26 ± 6.20M | 180.22 ± 10.45D | 182.82 ± 7.28 | 3.28 (0.04) | 0.08 |
| HR at AT (%) | 95.96 ± 1.60F | 95.71 ± 1.74 | 94.43 ± 0.67D | 4.08 (0.02) | 0.09 |
| Time above AT (s) | 134.15 ± 44.88 | 114.16 ± 38.26 | 132.91 ± 12.79 | 2.43 (0.09) | 0.06 |
AeT – aerobic threshold; AT – anerobic threshold; HR – heart rate; D – significant post differences to defenders; M - significant post differences to midfielders; F - significant post differences to forwards.