Single-joint isometric rate of torque development is not related to counter-movement jump performance in soccer players

Eurico N. Wilhelm*, Regis Radaelli, Bruna G.C. Da Silva, Cíntia E. Botton, Rafael Barbosa, Martim Bottaro, Lee E. Brown, Ronei S. Pinto

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


Background and Objective: The quadriceps rate of torque development (RTD) is frequently used to evaluate explosive performance, but its functional meaning has been questioned. Thus, the aim of this study was to investigate if isometric quadriceps RTD correlates with multi-joint dynamic performance and if it has greater correlation with dynamic performance than with a single-joint isokinetic test in soccer players. Methods: Thirty-nine male soccer players (age 21 ± 5 years, body mass 75 ± 7.5 kg, height 179 ± 5 cm) performed five maximal concentric knee extension isokinetic contractions at a velocity of 180°/s, followed by three maximal voluntary isometric contractions (MVIC) with knee angle of 60°, and five countermovement jumps (CMJ). The RTD was derived from MIVC over various time intervals (of 0.05, 0.1, 0.2, 0.3 seconds, and peak RTD) and CMJ height was calculated by flight time method. Pearson Product Moment Correlations were used to determine the relationships between variables. Results: Absolute and relative isokinetic PT correlated positively with CMJ height (p< 0.001, r=0.513 and p=0.0007, r=0.521, respectively). However, none of the isometric RTD measures showed significant relationship with CMJ height (p> 0.05, r from -0.272 to 0.296). Conclusion: These results indicate that single-joint isometric RTD does not correlate with dynamic multi-joint performance. Thus, more specific tests in relation to contraction type, velocity and/or movement pattern should be used.

Original languageEnglish
Pages (from-to)181-186
Number of pages6
JournalIsokinetics and Exercise Science
Issue number3
Early online date6 Aug 2013
Publication statusPublished - 16 Sept 2013
Externally publishedYes


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