Table 3.
Comparison of countermovement jump variables according to playing position.
| Dependent variable (units) | EMMeans (95% CI) | Main effect p value | W vs. D | W vs. P | D vs. P | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Winger | Defenders | Pivot | ES (95% CI) | p value | ES (95% CI) | p value | ES (95% CI) | p value | ||
| Jump height (cm) | 37.3 (35.8; 38.9) | 35.1 (33.1; 37.1) | 36.3 (34.2; 38.5) | 0.217 | 0.51 (−0.06; 1.09) | 0.083 | 0.24 (−0.39; 0.87) | 0.464 | 0.29 (−0.37; 0.96) | 0.391 |
| RSImod (m/sec) | 0.532 (0.500; 0.565) | 0.499 (0.457; 0.541) | 0.499 (0.455; 0.544) | 0.341 | 0.36 (−0.21; 0.93) | 0.214 | 0.38 (−0.25; 1.01) | 0.239 | 0.00 (−0.67; 0.66) | 0.989 |
| Eccentric (“downward”) phase | ||||||||||
| Braking duration—Contraction Time | 41.3 (39.4; 43.2) | 41.7 (39.3; 44.0) | 39.3 (36.7; 41.9) | 0.359 | 0.07 (−0.49; 0.64) | 0.801 | 0.39 (−0.24; 1.03) | 0.225 | 0.45 (−0.22; 1.12) | 0.187 |
| COM Displacement (cm) | 30.9 (32.6; 29.3) | 30.2 (32.3; 28.1) | 31.3 (33.6; 29.1) | 0.742 | 0.16 (−0.41; 0.73) | 0.581 | 0.09 (−0.53; 0.72) | 0.768 | 0.25 (−0.41; 0.92) | 0.456 |
| Dec duration (ms) | 164 (152; 177) | 161 (145; 177) | 166 (149; 184) | 0.892 | 0.11 (−0.46; 0.67) | 0.717 | 0.05 (−0.58; 0.68) | 0.876 | 0.15 (−0.51; 0.82) | 0.649 |
| Duration (ms) | 478 (450; 506) | 467 (432; 502) | 500 (462; 538) | 0.430 | 0.14 (−0.42; 0.71) | 0.618 | 0.30 (−0.33; 0.93) | 0.349 | 0.44 (−0.23; 1.11) | 0.203 |
| Peak Force ABS (N) | 1,741 (1,650; 1,831) | 1,766 (1,650; 1,881) | 1,835 (1,711; 1,958) | 0.470 | 0.10 (−0.47; 0.67) | 0.732 | 0.39 (−0.24; 1.03) | 0.223 | 0.28 (−0.39; 0.94) | 0.417 |
| Peak Force REL (N) | 24.2 (23.3; 25.2) | 23.7 (22.6; 24.9) | 23.5 (22.3; 24.8) | 0.636 | 0.19 (−0.38; 0.76) | 0.516 | 0.28 (−0.35; 0.91) | 0.379 | 0.08 (−0.58; 0.74) | 0.812 |
| Peak Power ABS (W) | 1,288 (1,148; 1,429) | 1,374 (1,196; 1,551) | 1,329 (1,137; 1,521) | 0.750 | 0.22 (−0.35; 0.79) | 0.453 | 0.11 (−0.52; 0.74) | 0.733 | 0.12 (−0.55; 0.78) | 0.733 |
| Peak Power REL (W) | 18.1 (16.2; 19.9) | 18.4 (16.1; 20.7) | 17.0 (14.5; 19.5) | 0.694 | 0.07 (−0.50; 0.64) | 0.811 | 0.22 (−0.41; 0.85) | 0.502 | 0.28 (−0.39; 0.94) | 0.414 |
| Peak Velocity (m/s) | 1.26 (1.32; 1.19) | 1.25 (1.34; 1.17) | 1.23 (1.32; 1.14) | 0.879 | 0.02 (−0.55; 0.58) | 0.950 | 0.16 (−0.47; 0.79) | 0.624 | 0.13 (−0.53; 0.80) | 0.697 |
| Concentric (“upward”) phase | ||||||||||
| Duration (ms) | 253 (241; 264) | 252 (237; 266) | 263 (247; 279) | 0.513 | 0.02 (−0.54; 0.59) | 0.935 | 0.33 (−0.30; 0.97) | 0.300 | 0.35 (−0.32; 1.01) | 0.311 |
| Peak Force ABS (N) | 1,800 (1,717; 1,883) | 1,834 (1,729; 1,940) | 1,904 (1,791; 2,017) | 0.334 | 0.15 (−0.42; 0.72) | 0.607 | 0.48 (−0.16; 1.11) | 0.141 | 0.31 (−0.36; 0.97) | 0.368 |
| Peak Force REL (N) | 25.1 (24.3; 25.9) | 24.7 (23.7; 25.7) | 24.4 (23.3; 25.5) | 0.611 | 0.18 (−0.39; 0.74) | 0.540 | 0.31 (−0.33; 0.94) | 0.344 | 0.11 (−0.55; 0.78) | 0.738 |
| Peak Power ABS (W) | 3,928 (3,748; 4,108) | 3,929 (3,698; 4,159) | 4,099 (3,854; 4,345) | 0.485 | 0.00 (−0.57; 0.57) | 0.999 | 0.36 (−0.27; 0.99) | 0.264 | 0.34 (−0.32; 1.01) | 0.313 |
| Peak Power REL (W) | 54.8 (52.9; 56.7) | 53.0 (50.6; 55.3) | 52.6 (50.0; 55.1) | 0.294 | 0.35 (−0.22; 0.92) | 0.233 | 0.45 (−0.19; 1.08) | 0.169 | 0.07 (−0.59; 0.74) | 0.828 |
| Peak Velocity (N) | 2.81 (2.76; 2.87) | 2.74 (2.67; 2.81) | 2.78 (2.71; 2.85) | 0.257 | 0.48 (−0.09; 1.05) | 0.102 | 0.23 (−0.39; 0.86) | 0.466 | 0.26 (−0.40; 0.93) | 0.441 |
BS, absolute; COM displacement, centre of mass displacement; Dec, deceleration: D, defense; EMMeans, estimated marginal means; REL, relative; RSImod, reactive strength index modified; P, pivot; W, winger.