We now know that the most significant cause of spinal stress fractures in fast bowlers comes from excessive side bend, or "lateral flexion" in scientific speak. This is often caused as a result of the body compensating in the delivery stride for things that have not worked correctly further back.
This could be the angle of approach, the angle of bound or misaligned back foot contact.
However, we sometimes get a situation where all of the above are OK and the bowler is still displaying excessive side bend at point of release.
So what can we do about it?
Here is my solution: