> ## 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.

# Hips Feet Stationary

> Binary indicator of whether the legs refrain from rotating in or out during the jump.

## Technical Details

* **Variable Type:** Discrete Metric
* **Data Type:** Boolean (binary)
* **Units:** 1 = yes, 0 = no
* **Column Name:** `hips_feet_stationary`
* **Aggregation:** rate
* **Precision:** 0
* **Optimal Direction:** Higher is better
* **Measurement:** Assessment of whether hips and feet stay within acceptable position during or after landing

## Description

Hips feet stationary is a binary indicator that the athlete's hips and feet remained facing forward during the jump.
There should be no rotation inwards or outwards during the jumping motion. This metric reflects lower limb stability.

## Use Cases

* Landing stability and balance
* Screening for injury risk