Medically reviewed by Femi Aremu, PharmD A creatine kinase (CK) test measures the levels of the enzyme in your blood.High levels can be a sign of damage to the muscles, heart, or brain.A doctor may ...
A motorcycle accident five years ago that damaged his cervical spinal cord left a 65-year-old African-American man with left spastic hemiparesis (almost hemiparalysis). He takes baclofen for the ...