Hydration’s Effect on Performance

Hydration’s Effect On Performance:

Physiology of Sport and Exercise With Web Study Guide-5th Edition Studies have been conducted to determine whether there is a correlation between athletic performance and hydration level.  This study compares the running velocity of a hydrated group with a dehydration of about 2% body weight.  The study concluded that the dehydrated runners ran at lower velocities than hydrated runners throughout the entire marathon. Thus, hydration affects athletic performance.
Physiology of Sport and Exercise With Web Study Guide-5th Edition Studies have been conducted to determine whether there is a correlation between athletic performance and hydration level.  This study compares the running velocity of a hydrated group with a dehydration of about 2% body weight.  The study concluded that the dehydrated runners ran at lower velocities than hydrated runners throughout the entire marathon. Thus, hydration affects athletic performance.

Dehydration’s Negative Effect on Performance

  • Studies have shown that muscle strength performance decreases at dehydration levels equal or larger than 5% of body weight
  • Performance in high intensity exercise, such as running, is reduced by 45% due to a dehydration level of 2.5% of body weight
  • Besides dehydration’s negative effects on athletic performance, it reduces blood oxygen levels which reduces cognitive performance
  • A small,1.5% decrease in hydration level, has been shown to reduce muscle strength in one rep of bench presses
  • Thus, a small decrease in hydration level has a drastic effect on muscle strength 
  • The amount of water within cells is positively correlated to the amount of muscle breakdown 

 

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Sources:

http://www.livestrong.com/article/134943-why-is-water-important-building-muscle/

https://www.kon.org/urc/v10/athletic-training/decker.html

Physiology of Sport and Exercise With Web Study Guide-5th Edition

 

 

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