Middle back pain affects the thoracic spine—the part of the spine that supports the rib cage in the middle and upper back. Compared to lower back (lumbar spine) and neck (cervical spine ...

pain in one spot or all over your back, or pain that feels like a dull ache or a sharp shock. You could also experience pain in your upper or middle back, or lumbar pain — pain in your lower back.

The way you sleep could be causing your body to develop bad posture habits in the middle of the night, which can cause back pain when you wake up - but one small change can fix it ...