27 Nov '16, 1pm

This is why you might get dizzy or lightheaded after racing:

This is why you might get dizzy or lightheaded after racing:

Sudden stopping after running can cause a drop in blood pressure, which may induce dizziness, fainting, and/or nausea. That being said, it’s always best to check in with your physician and discuss these symptoms to alleviate any concerns you may have. As you run, blood vessels dilate, muscles contract, and the heart pumps faster in order to meet the energy demand of running. In addition to providing movement, these muscle contractions also serve to pump blood back to the heart, assisting with the venous return of blood flow. This pumping cycle helps meet the increased oxygen demand running requires. When you cross the finish line and stop, the heart loses the pumping assistance of these muscles. With blood vessels dilated and no return pumping action, blood quickly pools in your extremities, causing our blood pressure to drop. RELATED: Fit but Fainting Also, your race effo...

Full article: http://www.runnersworld.com/for-beginners-only/why-runner...

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