> ## 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.

# Chicken Wing

> Binary indicator of a 'chicken wing' fault — the lead elbow bends more than 20 degrees at impact instead of staying extended.

## Technical Details

* **Variable Type:** Movement Flag
* **Data Type:** Integer
* **Units:** N/A
* **Column Name:** `chicken_wing`
* **Optimal Direction:** Lower is better
* **Unknown Value:** -1
* **Measurement:** Lead elbow flexion angle at P7 Impact
* **Threshold:** Lead elbow flexion exceeds 20°

## Description

Chicken Wing flags a lead arm fault where the lead elbow bends significantly at impact instead of staying extended, which typically results in inconsistent contact and reduced clubhead speed.

## Use Cases

* Lead arm mechanics coaching
* Contact consistency analysis
