Dizziness after exercise is often due to a rapid drop in blood pressure caused by stopping exertion suddenly (vessels remain dilated while the heart rate slows down), or to dehydration and a lack of sugar. To avoid this, it is recommended to walk a little at the end of the session instead of stopping abruptly, to drink quickly, and to eat a salty or sugary snack.

noli's read

Marine’s explanation is based on a very solid cardiovascular mechanism known as post-exercise hypotension, which is documented by numerous clinical trials. A literature review (a type of synthesis study) published in the journal Sports Medicine confirms that stopping exertion abruptly deactivates the “muscle pump” in the legs, which is essential for returning blood to the heart. Because blood vessels remain dilated to cool the body, blood temporarily pools in the limbs, slightly reducing blood flow to the brain, which creates this dizziness. The recommendation to walk at the end of the session is validated by expert opinion from institutions such as the Cleveland Clinic, as this active recovery helps blood pressure return to normal gradually. Finally, the link between dehydration, a lack of sugar, and dizziness is part of a strong scientific consensus in sports nutrition. This message is therefore highly scientifically accurate and provides excellent practical advice.

the sources

No named source held this one up — that absence is part of the verdict.