my muscles and joints in my neck, shoulders, upper middle and lower back feel stiff all the time and when i touch or rub my neck and area between my shoulders i hear a crackling sound audible only tome. not like the sound when you pop your neck, more like tiny bubbles popping. i also hear a grinding noise when i tun my head. when the pain and stiffness are present, i can rub my hand over the areas and feel and hear the grinding and crackling noise, simply by rubbing the area without turning my head, i can feel and hear these sounds but no one else hears the noises. i feel like my neck and entire back needs to pop like it would when a chiropractor makes an adjustment