Is fascia responsible for producing nei jin (expansive strength)?

This video (a) describes some known information fascia and its function and (b) explores whether there is evidence for the assertion that nei jin originates from the fascia. Here is a link to my prior YouTube video on another aspect of fascia, “Thoughts about fascia-engagement in Taiji,”    • Thoughts about fascia-engagement in Taiji  . For a list of links to all RC’s YouTube videos, listed by subject, please visit https://www.chuckrowtaichi.com/Youtub....