A side stitch is a common ailment while running, where you feel a sharp stabbing pain under the lower edge of the ribcage. But you might be able to avoid that simply by changing your running gait to always breathe in and out on your left foot, suggests Dr. Tim Noakes in his book The Lore Of Running . Read more…
Link:
Exhale on Your Left Foot to Avoid Side Stitches While Running
