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Related Experiment Video

Updated: Jun 27, 2026

In Vivo Electrophysiological Measurement of the Rat Ulnar Nerve with Axonal Excitability Testing
04:56

In Vivo Electrophysiological Measurement of the Rat Ulnar Nerve with Axonal Excitability Testing

Published on: February 6, 2018

T1 radiculopathy: electrodiagnostic evaluation.

Jeffrey Radecki1, Joseph H Feinberg, Zachary R Zimmer

  • 1Department of Physiatry, Hospital for Special Surgery, East River Professional Building, 523 East 72nd Street, 2nd Floor, New York, NY 10021, USA.

HSS Journal : the Musculoskeletal Journal of Hospital for Special Surgery
|December 17, 2008
PubMed
Summary
This summary is machine-generated.

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Electromyography (EMG) studies precisely locate nerve injuries. This case report highlights EMG

Area of Science:

  • Neurology
  • Neurophysiology
  • Anatomy

Background:

  • Cervical radiculApathy is a condition affecting the cervical spine, leading to nerve root compression.
  • Electromyography (EMG) is a diagnostic tool used to evaluate nerve and muscle function.
  • Accurate localization of nerve injuries is crucial for effective treatment planning.

Purpose of the Study:

  • To report a case of cervical radiculopathy with precise nerve root localization using EMG.
  • To demonstrate the utility of EMG in identifying specific nerve root involvement.
  • To provide evidence for the predominant innervation of the abductor pollicis brevis muscle by the T1 nerve root.

Main Methods:

  • Case report of a patient presenting with right upper extremity radicular symptoms.

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Live Imaging of Dorsal Root Axons after Rhizotomy
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Live Imaging of Dorsal Root Axons after Rhizotomy

Published on: September 1, 2011

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Last Updated: Jun 27, 2026

In Vivo Electrophysiological Measurement of the Rat Ulnar Nerve with Axonal Excitability Testing
04:56

In Vivo Electrophysiological Measurement of the Rat Ulnar Nerve with Axonal Excitability Testing

Published on: February 6, 2018

Live Imaging of Dorsal Root Axons after Rhizotomy
06:39

Live Imaging of Dorsal Root Axons after Rhizotomy

Published on: September 1, 2011

  • Electromyography (EMG) studies were performed for diagnostic evaluation.
  • Analysis of EMG findings to determine the affected nerve root and muscle innervation.

    • Main Results:

    • EMG studies successfully isolated the lesion to the T1 nerve root.
    • Evidence was found that the abductor pollicis brevis muscle is primarily innervated by the T1 nerve root.
    • The findings supported the clinical diagnosis of cervical radiculopathy.

    Conclusions:

    • EMG is a valuable tool for the anatomical localization of nerve injuries.
    • EMG can precisely isolate lesions to specific nerve root levels.
    • This case highlights the importance of EMG in diagnosing cervical radiculopathy and understanding specific nerve innervations.