Version 1.10 Page 16 of 203
1.5.2 GYKO FOR JUMP ANALYSIS
Using field tests and in particular vertical jump analysis has always been a widely used method for
evaluating lower limb muscle strength. OptoGait is the instrument used to measure and objectify
the main features of a jump such as flight and contact time.
Gyko placed near the centre of mass with a special belt enables enriching the temporal data with a
variety of information regarding the dynamics of the jump. It is then possible to measure lower limb
strength directly and, using appropriate algorithms, accurately and repeatably provide data relating
both to the eccentric loading phase and to the concentric thrust phase.
The movement of the trunk during the flight and contact phase is analyzed and provides, among
other things, the following additional parameters (for all the others see Sect. 5.1.2.1):
Eccentric and concentric work and duration.
Force, Velocity and Maximum Power.
Rate of Force Development and Landing Rate.
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