I've had a similar injury for about a decade as well. Heating pad, inversion table, stretches and core exercises.

Nothing has had an impact as significant and quick as this:

DMSO Cream With Aloe Vera - Lavender Scented, Made With 99.9% Pure DMSO - 70% DMSO/30% Aloe Vera in Cream Base, Made in USA for Live Better Naturals 4 oz