eli5: why are side cramps so common when walking / running at high speeds or long distances?
In: 9
Ideally, most of your breathing comes from your diaphragm moving down.
However, if the athlete doesn’t have good diaphragmatic breathing, it’s very typical for for them to go into “overload” breathing in which the upper torso and neck muscles are used to expand the chest. And the same thing happen when running fast, as the maximal amount of oxygen is needed.
If those muscles are overtaxed, that can lead to side cramps or other issues.
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