Back pain that has just started can respond quickly to manipulation. Following research guidelines of pain less than two weeks, pain that does not go below the knee, and a loss of hip inward rotation improves the chance of a successful treatment.
Symptoms to look for...
Pain 13 days or less
Pain that does not go below the knee
Loss of hip internal rotation
Here is a video showing you how to manipulate a lower back safely. This is a safe technique and one that you can do for someone suffering from an acute back pain episode.