By Sharon Black The majority of Americans live with some sort of pain, back pain being the most common. When I met Sharon, she was one of the many Americans that suffers daily with pain in her lower back and knees. It affected her mobility and her day-to-day activities significantly.  Upon my first assessment, Sharon was suffering from pain due to her facet joints, the joints that run along the back of her spine. I confirmed my first assumption was correct after I did x-ray guided nerve block injections which demonstrated that her facet joints were, in fact, the source of her