Effective execution of a vertical jump depends on explosive power of lower limbs and their symmetrical integration mainly. Assessment of lower extremity bilateral asymmetries in soccer players is important for both injury prevention (1) and performance (2).
The aim of this study was to assess jump height, maximal force production and bilateral force deficit in the vertical jump in relation to player's age and the type of jump. From the perspective of age, performance differences between the oldest (U19) and the youngest players (U16) were found.
Bilateral force deficit achieves high values in CMJ test in favour of the take-off leg. These differences should be compensated using appropriate exercises.