Table 3: EMG Summary (Initial Visit)

On EMG there was diffuse abnormalities in lower extremities with increased insertional activity, increased spontaneous activity, increased motor unit duration, diminished recruitment and decreased interference pattern with positive short waves and fibrillation potentials present. These same findings were also observed in the bilateral upper brachioradialis and bicep muscles. The lumbar paraspinals, and cervical paraspinals showed no abnormalities.