Your Body: High intensity workouts

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iStock/ThinkstockBy DR. JENNIFER ASHTON, ABC News Senior Medical Contributor

Three members of the University of Oregon football team were recently hospitalized following what’s been described as a “grueling workout.” We’re talking about something called rhabdomyolysis.

This type of injury involves muscle trauma or injury, which then causes a leaking of the main protein in muscles into the blood, which — among other things — can then cause a clogging of the kidney’s filtration system.

Here’s what you need to know about spotting and preventing rhabdo:

  • The signs are swollen, red, tender and hard muscles that are exquisitely painful, as well as a dark color to the urine.
  • Treatment is in a hospital setting with IV hydration and monitoring of kidney function.
  • Just go easy. No sudden increases in frequency or intensity and you’ll do just fine.

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