“…And because water is 800 times denser than air, you’ll work opposing muscles more than you would on land, says Ellen Nordberg, a water-running instructor in Colorado.”
Read the rest at Runner’s World.
“…And because water is 800 times denser than air, you’ll work opposing muscles more than you would on land, says Ellen Nordberg, a water-running instructor in Colorado.”
Read the rest at Runner’s World.
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