Effects of eccentric versus concentric contractions of the biceps brachii on intracortical inhibition and facilitation.
ICF
LICI
SICI
corticospinal excitability
muscle contractions
Journal
Scandinavian journal of medicine & science in sports
ISSN: 1600-0838
Titre abrégé: Scand J Med Sci Sports
Pays: Denmark
ID NLM: 9111504
Informations de publication
Date de publication:
Mar 2019
Mar 2019
Historique:
received:
31
03
2018
revised:
28
10
2018
pubmed:
8
11
2018
medline:
27
9
2019
entrez:
8
11
2018
Statut:
ppublish
Résumé
Differences in the neural mechanisms underpinning eccentric (ECC) and concentric (CON) contractions exist; however, the acute effects of fatiguing muscle contractions on intracortical and corticospinal excitability are not well understood. Therefore, we compared maximal ECC and CON contractions of the right biceps brachii (BB) muscle for changes in corticospinal excitability, short- (SICI) and long-interval intracortical inhibition (LICI) and intracortical facilitation (ICF) up to 1 hour post-exercise. Fourteen right-handed adults (11 M/3F; 26.8 ± 2.9 year) undertook a single session of 3 sets of 10 maximal ECC or CON contractions (180-second rest between sets) on an isokinetic dynamometer (40°/s) separated by 1 week, in a randomized crossover study. Maximum voluntary isometric contraction torque (MVIC), maximal muscle compound waves (M
Types de publication
Journal Article
Randomized Controlled Trial
Langues
eng
Sous-ensembles de citation
IM
Pagination
369-379Informations de copyright
© 2018 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.