I, too, experience all you have described. I'm with Blessings..stretching is vital. AND self massage. ANY massage, but I have a hard time getting others to do it for me, so, self massage is the ticket.
I never do quite get rid of the sciatica, tho. Left leg just always has it, down to the toes. Probably the main pain that makes me require a cane.
Man, poetic today! Unintentional
Let Miracles Replace all Grievances