humidity - lesson 4 Flashcards

1
Q

define humidity

A

defined as the amount of water vapour in the air.

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2
Q

what are the effects of exercising in a hot and humid environment?

A
  • humidity limits the evaporation of sweat on the skin surface, which results in higher skin temperature.
  • there will be less cooling of the blood circulating below the skin surface = a smaller gradient for the transfer of heat between the warmer body core and the skin
    = leads to a rise in core body temperature and a decrease in performance
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3
Q

what are strategies to cope with exercise in a humid environment?

A
  • acclimatisation can only assist to a certain extent

- fluid intake = prevent or delay dehydration

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