Neuromuscular Mechanisms Underlying Changes in Force Production during an Attentional Focus Task.
attentional focus
co-contraction
corticospinal excitability
Journal
Brain sciences
ISSN: 2076-3425
Titre abrégé: Brain Sci
Pays: Switzerland
ID NLM: 101598646
Informations de publication
Date de publication:
07 Jan 2020
07 Jan 2020
Historique:
received:
25
11
2019
revised:
20
12
2019
accepted:
03
01
2020
entrez:
16
1
2020
pubmed:
16
1
2020
medline:
16
1
2020
Statut:
epublish
Résumé
We examined the effects of attentional focus cues on maximal voluntary force output of the elbow flexors and the underlying physiological mechanisms. Eleven males participated in two randomized experimental sessions. In each session, four randomized blocks of three maximal voluntary contractions (MVC) were performed. The blocks consisted of two externally and two internally attentional focus cued blocks. In one of the sessions, corticospinal excitability (CSE) was measured. During the stimulation session transcranial magnetic, transmastoid and Erb's point stimulations were used to induce motor evoked potentials (MEPs), cervicomedullary MEP (CMEPs) and maximal muscle action potential (Mmax), respectively in the biceps brachii. Across both sessions forces were lower (
Identifiants
pubmed: 31936030
pii: brainsci10010033
doi: 10.3390/brainsci10010033
pmc: PMC7016702
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Natural Sciences and Engineering Research Council of Canada
ID : #RGPIN-2018-03876
Déclaration de conflit d'intérêts
The authors declare no conflict of interest.
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