The Mobility Standards supplement the ATG System on Tuesdays and Thursdays:
Full Video of All 7: https://youtu.be/4nhuBzBjWzQ
1: https://youtu.be/NyxtUEpOVGY (the video you are watching)
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And for the equipment you would need, with links: https://kneesovertoesguy.medium.com/equipment-by-program-5a50fc84f9ac