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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Neuromolecular Med. 2012 Jul 12;14(4):328–337. doi: 10.1007/s12017-012-8190-1

Figure 2. Electrodiagnostic findings.

Figure 2

Needle EMG recording performed in the first dorsal interosseous muscle of the proband showing an example of classical waxing and waning myotonic discharges triggered by movement of the needle electrode.