>Hello! List, My father has been having this pain, he says it feels like >someone is sticking a knife in his back. The pain is between the two >shoulder blades in his upper back. Can someone help me with this, I cannot >figure out what can be causing this pain. Thank you Linda Forrest's Mom > Hi! Maybe this is caused by two vertebrae smashing a nerve. Solutions: some type of exercise and/or massage to release the nerve. Consult a kinesiologist. Hope this works. Best luck, Ernesto.