@bajjerfan
Do you have your pre-diabetes under control and have you been able to reduce blood sugars to stop the progression of nerve damage?

Creatine kinase (CK): This enzyme is primarily located in the brain, heart, and skeletal muscle. When muscle damage happens, CK seeps into the blood in growing amounts.

1. https://healthcareconsultantsusa.com/what-do-blood-work-muscle-enzymes-do.html
2. https://thekingsleyclinic.com/resources/understanding-muscle-enzyme-tests-procedure-levels-results/
3. https://drjockers.com/functional-blood-analysis/
4. https://mdaquest.org/key-diagnostic-tests-for-neuromuscular-diseases/
5. https://thereadystate.com/blogs/how-to-use-bloodwork-to-understand-inflammation-and-movement-quality/
6. https://www.rupahealth.com/post/lab-tests-for-patients-with-persistent-muscle-cramps
7. https://www.medicine.com/health/tests-musculoskeletal-disorders