Marathon running is such an example as it transcends fitness goals, leading to a danger zone ... indicators of heart attack risk than creatine kinase MB levels; testing creatine kinase MB ...

A creatine kinase test is a blood test that measures levels of an enzyme called creatine kinase. This enzyme supports energy production in the body and is particularly important for muscle and ...

Three of the players had surgery for compartment syndrome, and tests showed those players had creatine kinase levels of more than 40,000 in their blood. A normal level is between 200 and 2,000.

They are normally well tolerated; however, some studies have attributed statins to several side effects including an increased level of creatine kinase. A rare but worrisome side effect of taking ...