AANS Neurosurgeon | Volume 26, Number 4, 2017

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How Walking Benefits the Brain

Researchers show that foot’s impact helps control, increase the amount of blood sent to the brain

You probably know that walking does your body good, but it is not just your heart and muscles that benefit. Researchers at New Mexico Highlands University (NMHU) found that the foot’s impact during walking sends pressure waves through the arteries that significantly modify and can increase the supply of blood to the brain. Until recently, the blood supply to the brain (cerebral blood flow or CBF) was thought to be involuntarily regulated by the body and relatively unaffected by changes in the blood pressure caused by exercise or exertion. The NMHU research team and others previously found that the foot’s impact during running (4–5 G-forces) caused significant impact-related retrograde (backward-flowing) waves through the arteries that sync with the heart rate and stride rate to dynamically regulate blood circulation to the brain.

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