Why do I need a CK test?You may need a CK test if you have symptoms of a muscular disorder. These include:Muscle pain and/or crampsMuscle weaknessBalance problemsNumbness or tinglingYou may also need this test if you had a muscle injury or stroke. CK levels may not peak until up to two days after certain injuries, so you may need to be tested a few times. This test can help show if you have damage to your heart or other muscles.
