Figure 2. A. Meta-analysis of lower body strength changes following pre-season training. B. Meta-analysis of upper body strength changes following pre-season training. C. Meta-analysis of lower body power changes following pre-season training. D. Meta-analysis of longitudinal changes in upper body strength changes following pre-season training. E. Meta-analysis of longitudinal changes in upper body power changes following pre-season training. Forest plots (SMD and 95% CI) used to present the results of the meta-analysis and combined pooled estimates (random effects model).