Technical Details
- Variable Type: Discrete Metric
- Data Type: Float
- Units: × height (ratio to athlete height)
- Column Name:
displacement_vertical - Measurement: Vertical body displacement between Apex (ball contact) and Termination, divided by athlete height
Description
Vertical displacement (normalized) measures how much the body drops (or rises) between ball contact and the finish of the serve, expressed as a multiple of the athlete’s height so it is comparable across athletes of different sizes.Use Cases
- Landing mechanics analysis
- Momentum dissipation after contact
- Comparison across players or trials