When you have temporomandibular joint disorder (TMJ disorder), it can sometimes feel like everything hurts. From your jaw to your ears, teeth, head, neck and even back and shoulders, pain from TMJ disorder can radiate throughout your upper body and disrupt your whole life. But how can you get relief in your back if the pain is coming from your jaw? Believe it or not, studies have shown that while the pain you may be feeling in your back is directly connected to your jaw, there may be more to it than that – it could be your posture!