> ## 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.

# Min X-Factor

> The frame of minimum hip-shoulder separation (X-Factor) angle, used to bound the search window for the Low Hands event.

## Technical Details

* **Variable Type:** Event
* **Data Type:** Integer
* **Units:** Frame number
* **Column Name:** \`\`
* **Required for QA:** False
* **Measurement:** Frame of minimum trunk-relative-to-pelvis rotation angle (direction depends on handedness)
* **Timing:** After Top of Swing

## Description

Min X-Factor identifies the frame where hip-shoulder separation reaches its smallest (or most negative) value after the top of the backswing. It is used internally to bound the search window for the Low Hands event.

## Use Cases

* Low Hands detection boundary