1. Velocity metrics
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Repetition mean velocity
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Repetition peak velocity
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The repetition mean propulsive velocity is the mean velocity in the acceleration phase
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The repetition movement velocity is defined as velocity per distance
2. Power metrics
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Repetition mean power
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Mean power over the first propulsive phase
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Repetition peak power
3. Force metrics
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Repetition mean force
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Repetition peak force
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The peak rate of force development is calculated in 40 ms intervals over the whole phase of a lift
4. Time metrics
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Repetition overall duration
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Duration of the first propulsive phase
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Distance of the first propulsive phase
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Time to peak velocity within the concentric phase of one repetition
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Time to peak power within the concentric phase of one repetition
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Time to peak force within the concentric phase of one repetition
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Contact time is the duration the feet are on the ground during a drop jump, measured from landing to takeoff
5. Spatial metrics
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Repetition overall distance
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Sagittal projection of the bar path
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Frontal projection of the bar path
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Minimal angle in 3D space between start and end positions of rep phase
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Jump height is defined as the vertical difference of the center of mass from the
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moment of takeoff, at which no more force is generated, to the highest point
6. Index metrics
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The modified reactive strength index (RSI Mod) is calculated by jump height divided by time to take off
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The reactive strength index (RSI) is calculated by jump height divided by the contact time
7. Loading metrics
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Total volume load of a session including warmup sets
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Total volume inertia of a session, including warmup sets
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The one-repetition maximum is the highest load to be moved concentrically
8. Exertion metrics
- The exertion of a set rates how hard a set was