Many people have experienced what is called a “stitch,” or a cramp, in the side of their abdomen when running or doing other cardiovascular activities. There have been many theories but the newest evidence shows that this is caused by the stress placed on ligaments that connect the abdominal organs (mostly the liver) to the diaphragm. Every time you take a step to run or hop during jumping rope for example, you are placing stress on these ligaments. Additionally, irregular breathing places more stress on the diaphragm. All this stress results in the diaphragm muscle cramping.

So, when it happens what can you do? Slow down or stop your cardio exercise. Bend in to the cramp to bring the diaphragm and organs closer together while placing your hand under the rib cage to help lift the organs (gently). Breathe deeply and calmly.

What can you do to prevent this? Don’t take shallow breaths during your cardio workout; breathe deeply and uniformly. Don’t start your cardio workout immediately after eating or drinking a lot; wait for your meal to settle. Keep your upper body warm if it cold outside.

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(Please consider this post as general information and not medical advice; always follow the advice of your physican.)