> ## Documentation Index
> Fetch the complete documentation index at: https://docs.uplift.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# On Plane Efficiency

> Percentage of swing (within 10 deg) aligned with swing plane between foot contact and ball contact events. This measures swing consistency and efficiency.

## Technical Details

* **Variable Type:** Discrete Metric
* **Data Type:** Float
* **Units:** %
* **Column Name:** `on_plane_efficiency`
* **Aggregation:** mean
* **Precision:** 0
* **Optimal Direction:** Higher is better
* **Tolerance:** Within 10 ° of swing plane
* **Timing:** Foot contact to ball contact
* **Typical Range:** 60-95%

## Description

On plane efficiency measures the percentage of the swing path that stays within 10 degrees of the optimal swing plane, indicating swing consistency and efficiency.

## Use Cases

* Swing consistency
* Swing plane efficiency