You have tried doing the breathing exercise I recommended Number One: Too big of a breath causes increased lower back pain. Yes, that can occur. Only due the breath that you can do without pain, this is not a contest. As your diaphragm gets stronger you will automatically feel that your breath increases without this pain. Number Two: Abdominal scarring. This is one of my favorite reasons for your restrictions because this is where we come in. If this scar tissue is not direct