Hello, creatine kinase is elevated. When myocardial or skeletal muscle is damaged, this enzyme will increase, but you have no corresponding medical history and symptoms. If you have more strenuous exercise before physical examination, this enzyme will also increase.

So you can preliminarily judge that you are doing fitness, but your 7000+ is too scary. Others are high when they are close to 300. . Your 7000+ is too scary. Did you go to the physical examination just after fitness?

If in doubt, please ask.