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HAWKIN METRIC DATABASE
Force plate performance assessments are used for profiling, benchmarking, and monitoring the performance of healthy individuals, as well as returning them to performance following injury. The Hawkin Metric Database will help you select the most appropriate performance assessments for your population, as well as the most impactful metrics. Below you can find metric definitions, videos, and key papers for all Hawkin Dynamics performance assessments.
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The lowest 1 s average of the vertical ground reaction force applied to the system centre of mass during the weighting phase, identified by an optimization loop.
Definition: The change in system centre of mass position between the instant of take-off and peak positive vertical displacement of the system centre of mass, calculated using the vertical velocity of the system centre of mass at the instant of take-off and the equations of uniformly accelerated motion.
The vertical momentum of the system centre of mass at the instant of take-off.
The vertical velocity of the system centre of mass at the instant of take-off.
The peak instantaneous vertical velocity of the system centre of mass.
The jump height calculated using the vertical velocity of the system centre of mass at the instant of take-off divided by the total time taken from the initiation of movement to the instant of take-off (e.g. Time to Take-off).
The time taken to complete the flight phase divided by the total time taken from the initiation of movement to the instant of take-off (e.g. Time to Take-off).
Historically RSI has been used more often in literature than mRSI, however with commercial force plates now more accessible, we suggest using mRSI over RSI in almost all cases.
The time taken to complete the flight phase.
The average vertical velocity of the system centre of mass during the propulsion phase.
The peak instantaneous mechanical power applied to the system centre of mass during the propulsion phase.
The peak instantaneous mechanical power applied to the system centre of mass during the propulsion phase relative to system mass.
The average mechanical power applied to the system centre of mass during the propulsion phase.
The average mechanical power applied to the system centre of mass during the propulsion phase relative to system mass.
The peak negative instantaneous mechanical power applied to the system centre of mass during the braking phase.
The peak negative instantaneous mechanical power applied to the system centre of mass during the braking phase relative to system mass.
The average mechanical power applied to the system centre of mass during the braking phase.
The average mechanical power applied to the system centre of mass during the braking phase relative to system mass.
The average vertical velocity of the system centre of mass during the braking phase.
The peak negative instantaneous vertical velocity of the system centre of mass during the braking phase.
The total time taken from the initiation of movement to the instant of take-off.
The peak negative vertical displacement of the system centre of mass.
The ratio between the net vertical impulse applied to the system centre of mass during the propulsive phase and the net veritcal impulse applied to the system centre of mass during the braking phase of the countermovement jump. Propulsive Net Impulse / Braking Net Impulse
The time taken to complete the unweighting phase.
The time taken to complete the unweighting phase relative to the time taken to complete the movement.
The time taken to complete the braking phase.
The time taken to complete the propulsion phase.
The time taken to complete the propulsion phase relative to the time taken to complete the movement.
The vertical ground reaction force applied to the system centre of mass at the instant of peak negative vertical displacement of the system centre of mass divided by the peak negative vertical displacement of the system centre of mass during the landing phase.
The peak instantaneous vertical ground reaction force applied to the system centre of mass during the landing phase.
The average vertical ground reaction force applied to the system centre of mass during the landing phase as a percentage of system weight.
The average vertical ground reaction force applied to the system centre of mass during the landing phase.
The time taken for the vertical ground reaction force applied to the system centre of mass to remain within 5% of system weight for 1 s.
The average left vertical ground reaction force applied to the system centre of mass during the braking phase.
The average right vertical ground reaction force applied to the system centre of mass during the braking phase.
The left vertical ground reaction force applied to the system centre of mass at the point of the peak instantaneous vertical ground reaction force applied to the system centre of mass during the braking phase.
The right vertical ground reaction force applied to the system centre of mass at the point of the peak instantaneous vertical ground reaction force applied to the system centre of mass during the braking phase.
The asymmetry between the left and right average vertical ground reaction forces applied to the system centre of mass during the braking phase.
The asymmetry between the left and right vertical ground reaction forces applied to the system centre of mass at the instant of peak vertical ground reaction force during the braking phase.
The asymmetry between the left and right vertical impulses applied to the system centre of mass during the braking phase.
The average slope of the left vertical ground reaction force applied to the system centre of mass during the braking phase.
The average slope of the right vertical ground reaction force applied to the system centre of mass during the braking phase.
The asymmetry between the left and right average slope of the vertical ground reaction forces applied to the system centre of mass during the braking phase.
The average vertical ground reaction force applied to the system centre of mass during the braking phase.
The peak instantaneous vertical ground reaction force applied to the system centre of mass during the braking phase.
The average vertical ground reaction force applied to the system centre of mass during the braking phase as a percentage of system weight.
The peak instantaneous vertical ground reaction force applied to the system centre of mass during the braking phase as a percentage of system weight.
The vertical impulse applied to the system centre of mass during the braking phase relative to system mass.
The net vertical impulse applied to the system centre of mass during the braking phase relative to system mass.
The vertical impulse applied to the system centre of mass during the braking phase.
The net vertical impulse applied to the system centre of mass during the braking phase.
The average slope of the vertical ground reaction force applied to the system centre of mass during the braking phase.
The total vertical impulse applied to the system centre of mass during the braking phase and the propulsion phase.
The total vertical impulse above bodyweight applied to the system centre of mass during the braking phase and the propulsion phase.
The average left vertical ground reaction force applied to the system centre of mass during the landing phase.
The average right vertical ground reaction force applied to the system centre of mass during the landing phase.
The left vertical ground reaction force applied to the system centre of mass at the point of the peak instantaneous vertical ground reaction force applied to the system centre of mass during the landing phase.
The right vertical ground reaction force applied to the system centre of mass at the point of the peak instantaneous vertical ground reaction force applied to the system centre of mass during the landing phase.
The asymmetry between the left and right average vertical ground reaction forces applied to the system centre of mass during the landing phase.
The asymmetry between the left and right vertical ground reaction forces applied to the system centre of mass at the instant of peak vertical ground reaction force during the landing phase.
The asymmetry between the left and right vertical impulses applied to the system centre of mass during the landing phase.
The average left vertical ground reaction force applied to the system centre of mass during the propulsion phase.
The average right vertical ground reaction force applied to the system centre of mass during the propulsion phase.
The left vertical ground reaction force applied to the system centre of mass at the point of the peak instantaneous vertical ground reaction force applied to the system centre of mass during the propulsion phase.
The right vertical ground reaction force applied to the system centre of mass at the point of the peak instantaneous vertical ground reaction force applied to the system centre of mass during the propulsion phase.
The asymmetry between the left and right average vertical ground reaction forces applied to the system centre of mass during the propulsion phase.
The asymmetry between the left and right vertical ground reaction forces applied to the system centre of mass at the instant of peak vertical ground reaction force during the propulsion phase.
The asymmetry between the left and right vertical impulses applied to the system centre of mass during the propulsion phase.
The average vertical ground reaction force applied to the system centre of mass during the propulsion phase.
The peak instantaneous vertical ground reaction force applied to the system centre of mass during the propulsion phase.
The average vertical ground reaction force applied to the system centre of mass during the propulsion phase as a percentage of system weight.
The peak instantaneous vertical ground reaction force applied to the system centre of mass during the propulsion phase as a percentage of system weight.
The vertical impulse applied to the system centre of mass during the propulsion phase relative to system mass.
The net vertical impulse applied to the system centre of mass during the propulsion phase relative to system mass.
The vertical impulse applied to the system centre of mass during the propulsion phase.
The net vertical impulse applied to the system centre of mass during the propulsion phase.
The vertical ground reaction force applied to the system centre of mass at the instant of peak negative vertical displacement of the system centre of mass divided by the peak negative vertical displacement of the system centre of mass.
The vertical ground reaction force applied to the system centre of mass at the point of the peak negative vertical displacement of the system centre of mass.
The vertical ground reaction force applied to the system centre of mass at the point of the peak negative vertical displacement of the system centre of mass as a percentage of system weight.
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