dark pee

Much of the conventional wisdom about exercising isn’t true for people with muscle diseases, and doing it wrong may cause irreversible muscle damage

posted on April 1, 2009 - 10:42am
QUEST Vol. 16, No. 2
Exercise can be a good thing — but only if undertaken safely. Here are some warning signs that say STOP. When muscle fibers are undergoing damage, they usually — but not always — announce it pretty quickly, with cramping and pain. But sometimes muscle destruction doesn’t make itself known until enough damaged muscle fibers have released a pigmented protein called myoglobin into the blood and...