Table 5. Differences in measures of neuromuscular performance in participants, analyzed using 2 x 2 x 2 (time x group x maturity) repeated measures ANOVAs. P-values are presented for 3-way and 2-way interaction effects and for the main effects.
|
20-m sprint (s) |
CMJ (cm) |
SJ (cm) |
RSI (mm/ms) |
Isokinetic strength (Nm) |
Time x group x maturity |
p = 0.368 |
p = 0.687 |
p = 0.128 |
p = 0.032 |
p = 0.384 |
Time x group |
p < 0.001 |
p < 0.001 |
p = 0.008 |
p < 0.001 |
p < 0.001 |
Time x maturity |
p = 0.015 |
p = 0.605 |
p = 0.159 |
p = 0.319 |
p = 0.416 |
Group x maturity |
p = 0.435 |
p = 0.607 |
p = 0.682 |
p = 0.481 |
p = 0.735 |
Time |
p < 0.001 |
p = 0.009 |
p = 0.001 |
p = 0.002 |
p < 0.001 |
Group |
p = 0.396 |
p = 0.616 |
p = 0.476 |
p = 0.776 |
p = 0.828 |
Maturity |
p = 0.001 |
p = 0.003 |
p = 0.010 |
p = 0.081 |
p < 0.001 |
PHV = peak height velocity; CMJ = countermovement jump; SJ = squat jump; RSI = reactive strength index. “Time” denotes pre- to post-training data, “group” represents jump training group or control group, and “maturity” refers to pre- vs. post-PHV.