Impulse, force, force rate

By activating the "Impulse, force, force rate" radio button, the force-time diagrams are displayed for all defined zones. The impulse, maximum force and force rate are also calculated for each zone.  

Figure 13: Illustration of impulse, force, force rate

These biomechanical parameters, which can be seen on the left of the curves, are helpful for a detailed gait analysis.

Parameters Abbreviation Unit Calculation Marking Biomechanical significance
Impulse I Newton*sec [Ns] Area under the curve (integral) coloured area Combination of height and duration of the load.

The greater the impulse, the higher and longer the load.

Maximum force K Newton

[N]

highest point of the curve vertical line Amount of load at an isolated point in time.

The higher the maximum force, the higher the short-term load.

Force rate KR Kilonewton per sec.

[kN/s]

Steepest ascent of the curve small, white square Speed at which the force is applied.

The higher the force rate, the weaker the cushioning at heel strike.

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