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            Heat therapy
          
          
            Heat in the blood vessels is caused by increased energy activity which causes blood vessels to dilate (vasodilation). Because there is more …
 
              
            Cold therapy
          
          
            When an acute injury occurs (e.g. sprain or strain), blood vessels, capillaries and veins will widen and blood flow will be reduced…
 
              
            Recovery principle
          
          
            During (intensive) training the body is subjected to a form of stress. The body will adapt to this stress during the effort.
 
                 
              
            