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Renal Response to Hydrated Exercise?

  1. Apr 3, 2006 #1
    I am doing a first year physiology course and during my studies i have found that the textbook displays very little about renal response to exercise.

    During a lab experiment, we measured osmolarity and urine amount of a period of 5 20 minute increments after approximately 600ml of water and 10 mins of strenuous exericise.

    My knowledge of renal physiology led me to believe there would be a slight diuresis, with a hypoosmotic urine over the 100 minutes. However the results showed that the amount of urine was relatively large, as expected, but a hyperosmotic urine was observed (for approximately 30 individuals on average). I was wondering as to why their urine would by hyperosmotic instead of hypoosmotic.

    Any help would be greatly appreciated. Thanks
  2. jcsd
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