Figure 3From: The value of intraoperative neurophysiological monitoring for microsurgical removal of conus medullaris lipomas: a 12-year retrospective cohort studyResults and noticeable events in the free-running EMG. EMG normal finding (D) for opened dura (A); "volley/burst" (E) from light contact (B); "train" activity (F) from stronger traction or after sharp tumor resection (C) close to neural structures.Back to article page