Your stomach should move your stuff in about 3-5 cm (1-2inches) from the relaxed state, that's every one.
I must admit -I had forgotten all regarding.-When I was initially exposed to this "CMO stuff" back then, I was a bit suspicious. Reduce the frequency of one's exercise and increase it gradually. https://groups.google.com/g/muscle--and-joint-care/c/Nb0Gs0J5yjo