EMG shows myopathy and fibrillations. An 8 year old female has chronic, slowly progressive weakness. She was normal until 1.5 years of age. Serum CK is 600. 20 year old male is evaluated for myalgias.
Examination shows mild proximal weakness.
Serum CK is 300. Tubular aggregates F A 20 year old male has had several episodes of weakness on awakening. Now he is having difficulty arising from chairs. Examination shows mild proximal weakness. EMG is myopathic.