The effect of dehydration on exercise performance
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BOOK LINK: https://openoregon.pressbooks.pub/nutritionscience/
PEER DISCUSSION BOARD
Nutrition and Physical Activity. Water and Electrolyte Needs
Q: Explain the effect of dehydration on exercise performance. Describe the effect of dehydration on the body. Identify minerals are lost during sweating. Discuss hyponatremia and how it relates to sodium.
In all athletes, water is a necessity in order to perform well. Water is needed throughout the body to cool itself down, transport nutrients and oxygen, and remove waste products from the muscles. Water is supposed to be lost from the body during exercise through extra water loss through evaporation and sweat. However, when too much water is lost, it becomes dangerous for the individual’s health due to inadequate water levels in the body. While working out and sweating, your body loses mostly water; however, the body also losses additional minerals like sodium, potassium, calcium, and magnesium from sweat. During exercise, water typically can replenish the body when the body experiences small sodium losses. However, if the replacement of water comes without additional sodium, the body dilutes the sodium already present. Low sodium levels in the blood cause hyponatremia. This low blood sodium concentration (hyponatremia) is dangerous and can cause fluid buildup in the brain and lungs and even lead to life-threatening conditions such as seizures, comas, or death. For athletes hoping to avoid hyponatremia, it is in their best interest to increase sodium consumption days before a big event and drink sodium-packed sports drinks during the event. The American College of Sports Medicine concludes that with performance and endurance in mind, it is essential to drink fluids during exercise to prevent dehydration.
Citations:
Alice Callahan, P. D., Heather Leonard, M. E., & Tamberly Powell, M. S. (2020, October 14). Nutrient Needs Of Athletes. Nutrition Science and Everyday Application v 10. Retrieved December 1, 20
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