A damaged disc in the lower lumbar region may cause sacrum pain as it compresses the spinal nerves. A bulging or herniated disc is often the result of too much sitting with associated poor posture. Improving posture and relieving pressure on the disc will facilitate healing.
In contrast, vegetarian protein sources that contain carbohydrates have a moderate glycemic index and should be consumed in moderate amounts; these include legumes, soy beans, soy milk, tempeh, vegetable burgers, nonfat milk and nonfat plain yogurt without added sugar. 5. Drink 8 to 10 glasses of water per day. 6.
Pasta is remarkably low on the glycemic index. Pasta is around 25 to 45, depending on the type. That's in the range of many fruits and (non-potato) vegetables. Most pasta is in the low glycemic index category for the South Beach Diet. That is, pasta is an encouraged food in the South Beach diet, not because it is low-carb, but rather because it is a good carb.