When do you check thoracic paraspinals on needle EMG in suspected myopathy or myositis?

The need to sample the paraspinal muscles (especially thoracic) in suspected myopathy is diminishing with more sophisticated genetic testing and better antibody testing for inflammatory myopathies. The most common disorder that people learn to remember to sample the paraspinal muscles in Pompe disea...

I agree with Dr. @Dr. First Last.

The times I consider thoracic paraspinal testing, for myopathy or myositis, are primarily when we have the clinical suspicion for Pompe disease, but this can be supplanted by genetic testing or testing of a blood spot, as he eloquently described. I also consider it ...