> ## 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.

# P9 Follow Through

> Continued rotation after the strike, identified as the first frame after Low Hands where the hands rise back above the elbows. Also exposed under the legacy column name Follow Through.

## Technical Details

* **Variable Type:** Event
* **Data Type:** Integer
* **Units:** Frame number
* **Column Name:** `p9_follow_through_frame`
* **Required for QA:** False
* **Measurement:** First frame after Low Hands where average wrist height exceeds average elbow height
* **Timing:** Between P8 Release and P10 Finish
* **Legacy Name:** Follow Through

## Description

P9 Follow Through captures the continued rotation of the body after ball contact, identified as the first frame after Low Hands where the hands rise back above elbow height.

## Use Cases

* Follow-through mechanics analysis
* Finish approach timing