eli5: why are side cramps so common when walking / running at high speeds or long distances?
In: 9
In fact, this is a widespread problem since more than 60% of runners annually experience side cramps. Several reasons:
1. Reduced blood flow to the diaphragm
2. Irritation of the supporting ligaments to the abdominal organs.
In general, running increases the pressure and contraction of the abdominal muscles, while shallow breathing leads to a diaphragm contraction.
But here is how you can prevent it: do a gentle stretch before training or drink a good amount of water. This should be enough.
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