What Causes Headaches,arm Numbness And Lower Back Strain?

i hd an injury, which cause me to have several disc bulging. My c-2/3 mild bulging,c-6/7 fusion, headaches, rt arm numbness, lower back strain, and when i sit i can hear my hip area grinding. shoulder pain w/repeative movement.oh there is neck pain w/a knot in the shoulder blade. what is going on?