one thing first is to get elastic waist type pants. I'm left hemiplegic.
when not working I wear sweatpants.  you need to practice on your own at home
on how to work undoing your pants and raising them up again.  It's been so
long it's automatic with me.  it was just trial and error until I got it
right

"Long ago and far away we had a point you know that we had to make, we won't
live for yesterday, ready or not we're going to have our way"

Twisted Sister  Wake Up (the sleeping giant)