| Coach Sandi Nypaver gives a few reasons why you may notice your hands swelling while exercising! Reason #1: When you run, your body sends blood and oxygen to the hardest working muscles and systems. Your hands are not included here, so the blood vessels in your hand widen to maintain normal blood flow. Reason #2: As the blood vessels expand, they can leak some of the fluid into the surrounding tissues, causing your hands to swell. Reason #3: To cool down when you’re getting hot, blood vessels in your skin swell to allow heat to leave the surface. Reason #4: Swelling in the hands during a run is generally a normal and temporary reaction, but if it is persistent or accompanied by other symptoms, it may be a sign of hyponatremia or an underlying medical condition and should be evaluated by a healthcare provider |
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