Table 2. Comparisons of the vertical (unloaded and loaded) jumps pre- and post-8 weeks of an inter-season training in elite soccer players. Values are means (±SD).
Pre Post -/Trivial/+ Rating ES [90% CI] Rating
SJ (cm) 38.0 (3.7) 39.5 (4.5) 00/06/94
Likely
.42 [-.13; .87]
Small
CMJ (cm) 40.2 (4.0) 42.0 (4.8) 00/00/100
Almost Certainly
.46 [-.10; .91]
Small
DJ 45 (cm) 38.2 (5.5) 39.8 (5.4) 00/19/81
Likely
.29 [-.21; .79]
Small
MPP REL JS (W.kg-1) 9.8 (1.5) 10.3 (1.7) 00/19/81
Likely
.30 [-.22; .78]
Small
CI: confidence interval; SJ: squat jump; CMJ: countermovement jump; DJ45: drop jump 45 cm; MPP REL JS: relative mean propulsive power in the jump squat.