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Cited by 377

The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.

Changes in motor cortical excitability during human muscle fatigue.

Open access
Taylor, J L, Butler, J E, Allen, G M, Gandevia, S C·1996·The Journal of Physiology

Abstract

1. The excitability of the motor cortex was investigated during fatiguing con of the elbow flexors in human subjects. During sustained contractions at 30 and 1 voluntary force (MVC), the short‐latency electromyographic responses (EMG) evoke brachii and brachioradialis by transcranial magnetic stimulation increased in si EMG in the elbow flexors following the evoked muscle potential (silent period), duration during a sustained MVC but not during 30% MVCs nor during a sustained M muscle (adductor pollicis). 2. When the blood supply to brachioradialis was blocked with sphygmomanometer cuff sustained MVC, the changes in EMG responses to transcranial stimulation rapidly control values, This suggests that changes in these responses during fatigue wer small‐diameter muscle afferents. 3. Tendon vibration during sustained MVCs indicated that the changes in the resp cortial stimulation were not mediated by reduced muscle spindle inputs. 4. Muscle action potentials evoked in brachioradialis by electrical stimulation cervicomedullary junction did not increase in size during sustained MVCs. Thus, cortically evoked responses during sustained MVCs reflects a change in cortical Although the silent period following cervicomedullary stimulation lengthened, it substantially shorter than the cortically evoked silent period. 5. The altered EMG responses to transcranial stimulation during fatigue suggest exitation and increased inhibition in the motor cortex. As these changes were un manipulation of afferent input they presumably result from intrinsic cortical pr altered voluntary drive to the motor cortex.

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Crossref · 10.1113/jphysiol.1996.sp021163

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Metadata

Authors
Taylor, J. L., Butler, J. E., Allen, G. M., & Gandevia, S. C.
Venue
The Journal of Physiology
Publisher
Wiley
Published
1996-01-15
Volume
490
Issue
2
Pages
519-528
ISSN
  • 0022-3751 (ISSN-L)
  • 1469-7793
OpenAlex
W2074583205
Cited by
377
References
22
FWCI
6.09
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Changes in motor cortical excitability during human muscle fatigue. https://app.cochat.ai/papers/10.1113/jphysiol.1996.sp021163
The paper
Taylor, J. L., Butler, J. E., Allen, G. M., & Gandevia, S. C. (1996). Changes in motor cortical excitability during human muscle fatigue. The Journal of Physiology. https://doi.org/10.1113/jphysiol.1996.sp021163

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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