Version 1.9 Page 135 of 170
5.1.4 REFERENCE INDEXES
In the Sprint and Gait Test parameters (chap. 4.4.1.5) the speed of an 'ideal' athlete (the so-called
'super athlete') during the 3rd, 6th, and 9th step can be indicated. These are in fact the three most
interesting moments of a sprint; important studies have proven that:
the speed of the 3rd stride is strongly related with the use of burst power
the 6th-stride speed depends on the phase of transition between the burst power and
elastic recovery
the 9th-stride speed depends more on pure elasticity
Therefore the following indexes have been created and calculated as follows:
Burst index: real speed at 3rd step / ideal reference speed at 3rd step * 100
Transition index: real speed at 6th step / ideal reference speed at 6th step * 100
Elasticity index: real speed at 9th step / ideal reference speed at 9th step * 100
Example: supposing that the three speeds of reference have been set at 6, 8, and 9 m/s, the athlete's
sprint is taken into consideration and his indexes are shown:
Figure 114 - The three reference indexes in the lower left part
Of course it is possible to change the three speeds of reference - as for any other secondary
parameter - in any single test of a certain type or in general (see chap. 4.2.2.1).
Figure 115 - Input of 3 speeds of reference
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