Corticospinal excitability measurements using transcranial magnetic stimulation are valid with intramuscular electromyography.

ABSTRACT:

Objectives

Muscular targets that are deep or inaccessible to surface electromyography (sEMG) require intrinsic recording using fine-wire electromyography (fEMG). It is unknown if fEMG validly record cortically evoked muscle responses compared to sEMG. The purpose of this investigation was to establish the validity and agreement of fEMG compared to sEMG to quantify typical transcranial magnetic stimulation (TMS) measures pre and post repetitive TMS (rTMS). The hypotheses were that fEMG would demonstrate excellent validity and agreement compared with sEMG.

Materials and methods

In ten healthy volunteers, paired pulse and cortical silent period (CSP) TMS measures were collected before and after 1200 pulses of 1Hz rTMS to the motor cortex. Data were simultaneously recorded with

SUBMITTER: Summers RL 

PROVIDER: S-EPMC5322963 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature