> For the complete documentation index, see [llms.txt](https://chill-1.gitbook.io/chill/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://chill-1.gitbook.io/chill/ai-fitness-core/science-and-technology.md).

# Science and Technology

![](https://1892045298-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZImlOLJrv8EMkRcnb01Q%2Fuploads%2FWbTliEfZx0O8LvvE5CJh%2Fimage.png?alt=media\&token=3b101ee5-d7b4-4744-b689-1026ba4fd971)

1\. Using advanced computer vision technology to identify the 32 joints of the human skeleton and detect the human posture in real-time and with high precision on the cell phone.

2\. The course design principle is based on American Council on Exercise (ACE) registered coach, The Institute of Human Performance (IHP) functional training experts, and the United States Strong First (SFG) strength school certification Coaches jointly developed to ensure scientific and efficient movement patterns.
