CORRELATIONS BETWEEN THE STRENGTH OF KNEE EXTENSOR AND FLEXOR MUSCLES AND JUMP PERFORMANCE IN VOLLEYBALL PLAYERS: A REVIEW

ABSTRACT Jump tests and isokinetic dynamometer assessments are widely used in sports to identify parameters of strength and power development. Understanding the relationship between these variables can help in the selection of more specific parameters to assess the strength of knee joint muscles on isokinetic dynamometer in volleyball players. The objective of this literature review was to summarize studies that have analyzed the relationship between performance in jump tests with strength generation capacity in knee isokinetic dynamometry assessments among volleyball players, besides investigating whether muscle imbalances of the knee joint can interfere with jump performance. The reviewed studies resulted from a search on PubMed and Scielo databases. A total of 106 articles were found, 6 of which were used for final analysis. The capacity to generate strength in knee isokinetic dynamometry assessments correlates with jump performance. Strength imbalances from one limb to another do not seem to interfere with jump performance. Strength imbalances between knee flexors and extensors may be related to the functionality of volleyball players.