Table 5. Meta-analysis results of countermovement jump studies. Routine training Plyometric training Weight resistance exercise Plyometric training 2.0 (1.4, 3.7) - - Weight resistance exercise 2.2(1.4, 3.7) 0.2 (-1.0, 2.0) - Complex training 5.0 (2.5, 7.6) 2.9 (0.2, 5.8) 2.6 (0.2, 5.5)