• Srdjan Markovic, Dragan M Mirkov, Aleksandar Nedeljkovic, and Slobodan Jaric.
• University of Belgrade, Faculty of Sport and Physical Education, The Research Center, Blagoja Parovica 156, Belgrade, Serbia.
• Hum Mov Sci. 2014 Feb 1; 33: 203-10.

AbstractA number of studies based on maximum vertical jumps have presumed that the maximum jump height reveals the maximum power of lower limb muscles, as well as the tested muscle power output predicts the jumping performance. The objective of the study was to test the hypothesis that both the body size and countermovement depth confound the relationship between the muscle power output and performance of maximum vertical jumps. Sixty young and physically active males were tested on the maximum countermovement (CMJ) and squat jumps (SJ). The jumping performance (Hmax), peak (Ppeak) and the average power output (Pavg) during the concentric phase, countermovement depth (only in CMJ) and body mass as an index of body size were assessed. To assess the power-performance relationship, the correlations between Hmax with both Ppeak and Pavg were calculated without and with controlling for the effects of body mass, as well as for the countermovement depth. The results revealed moderate power-performance relationships (range .55Copyright © 2013 Elsevier B.V. All rights reserved.

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