Why do my toes cramp and curl when I am swimming in cold unheated pool water?

Why do my toes cramp and curl when I am swimming in cold unheated pool water?

1. Introduction The toes cramp and curl while swimming in cold water due to a combination of rapid heat loss causing vasoconstriction and the intense biomechanical demand placed on the small muscles of the foot. Cold temperatures restrict blood flow to the extremities, depriving active muscles of oxygen and slowing the clearance of metabolic waste … Read more