> ## 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.

# Trunk Global Flexion

> Amount of trunk sagittal plane flexion relative to the global coordinate system. This is a time series metric that tracks trunk flexion throughout the swing.

## Technical Details

* **Variable Type:** Time Series Metric
* **Data Type:** Float
* **Units:** °
* **Column Name:** `trunk_global_flexion`
* **Aggregation:** mean
* **Precision:** 0
* **Optimal Direction:** N/A
* **Type:** Time series metric
* **Plane:** Sagittal plane
* **Reference:** Global coordinate system

## Description

Trunk global flexion tracks the amount of forward-backward flexion of the trunk relative to the global coordinate system throughout the swing, providing insight into trunk posture and movement.

## Use Cases

* Trunk posture analysis