Strangely no-one knows exactly what a stitch is as at the moment there is no unequivocal scientific evidence to suggest how a stitch is caused. Some research suggests a stitch can be caused by diaphragm ligaments, friction of the abdominal cavity or just insufficient blood supply. The facts  According to Peak Performance’s Running Injuries: prevention and treatment report: A stitch is most common in running (almost 10 times more common...

As runners we know we should stretch. In reality though most runners don’t and those that do tend to stretch after a run as opposed to before a run, according to a poll on Fetcheveryone. There is a lot out research on stretching out there. Some of it is fairly controversial, suggesting that you shouldn’t do it at all. I believe that flexibility is an important part of my fitness, even if it doesn’t necessarily reduce the risk of...