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Instructional Unit: Goal 2

Objective 2: Given the information, the athlete will be able to identify strategies to plan for combating dehydration

Objective 2: Key Term

  • Total Body Water - is the total amount of fluid in the body expressed as a percentage of your total body weight.

Preventing Dehydration

  • Indicators of hydration level status change: urine color, body weight change, and thirst.

  • Measuring body weight changes will provide a reliable starting point to keep track of fluid loss/gain and should be monitored daily.

  • Thirst is the body’s basic indicator for hydration level and an athlete should monitor these signals closely before, during and after exercise.

  • As previously stated, listening to your body’s thirst indicators are the best way to know when fluid replacement is necessary.

  • Measuring urine color gives an indication of the hydration level roughly 3-4 hours before the measurement was taken, which can give athletes an idea of whether they need to take in more fluids before exercise or not.

  • Although pre-exercise hyperhydration provides little benefits to staying hydrated during exercise, post-exercise rehydration is the best way to prevent dehydration.

  • After exercise, it is recommended to replace 100-150% of the fluid lost.

  1. The best way for an athlete to measure this is taking their body weight measurement before and after exercise.

  2. It is important to note that each person/type of athlete may have different hydration needs.

  3. The sporting equipment used and the time of year/weather also have a significant impact on hydration needs.

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