When are electrodiagnostic tests indicated in the evaluations of posterior tibial nerve entrapment?

Updated: Oct 15, 2019
  • Author: Minoo Hadjari Hollis, MD; Chief Editor: Thomas M DeBerardino, MD  more...
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Answer

Electrodiagnostic tests are indicated in refractory cases or in cases where the diagnosis of posterior tibial nerve injury is uncertain. A complete EMG and nerve conduction study of the motor and sensory nerves to the foot, with comparison to the other foot, is necessary. It is important for EMG examination to include motor latencies, particularly to the abductor digiti minimi and the abductor hallucis, when tarsal tunnel syndrome is suspected.


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