sports training equipmentdesignedto increase athletic performance , including speed , vertical jump ability , and overall performance

plyometric and resistance trainingresultedin greater gains in vertical jump performance than resistance training and static stretching ( 8.1 % and 3.4 % , respectively

The static stretching conditionresultedin significantly worse performance than the dynamic warm - up in vertical jump height

by experienced specialists(passive) designed bya proven vertical jump application