Table 1.
Needle EMG results | ||||||||
---|---|---|---|---|---|---|---|---|
Side | Muscle | Insertional activity | Spontaneous activity | Voluntary activity | ||||
Positive sharp waves | Fibrillation | Fasciculation | Amplitude (mv) | Duration (ms) | Polyphasics (%) | |||
Right | Anterior tibial muscle | Normal | (−) | (−) | (−) | 7.8 | 14.6 | 50 |
Left | Medial femoral muscle | Normal | (−) | (−) | (−) | 5.3 | 15.1 | 20 |
Right | First dorsal interosseous muscle | Extend | (+) | (+) | (+) | 4.2 | 14.1 | 50 |
Left | Deltoid | Extend | (+) | (+) | (−) | 6.5 | 12.2 | 30 |
Right | Sternocleidomastoid | Extend | (+) | (+) | (−) | 1.6 | 11.5 | 60 |
Right | Rectus abdominis | Normal | (−) | (−) | (−) | 2.4 | 12.3 | 10 |