Delayed knee extension?

[Jds904]

I hear some people talk about it. Can anyone please explain and/or provide some examples of delayed knee extension?

 

[Filterbing]

I first heard of Delayed knee extension from Danielle Rubin. She has her material under DR3 pitching.

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https://www.youtube.com/channel/UCIgsnv8wD5abuAMmtl7RnPA/featured

 

[tomorrow]

Foot Doctor Esia was the 1st I saw using this term.
https://www.footdoctoresia.com/fdelibrary