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Erschienen in: European Journal of Applied Physiology 4-5/2004

01.08.2004 | Original Article

Neuromuscular adaptations in human muscle following low intensity resistance training with vascular occlusion

verfasst von: Daniel R. Moore, Kirsten A. Burgomaster, Lee M. Schofield, Martin J. Gibala, Digby G. Sale, Stuart M. Phillips

Erschienen in: European Journal of Applied Physiology | Ausgabe 4-5/2004

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Abstract

Low-intensity (~50% of a single repetition maximum—1 RM) resistance training combined with vascular occlusion results in increases in muscle strength and cross-sectional area [Takarada et al. (2002) Eur J Appl Physiol 86:308–331]. The mechanisms responsible for this hypertrophy and strength gain remain elusive and no study has assessed the contribution of neuromuscular adaptations to these strength gains. We examined the effect of low-intensity training (8 weeks of unilateral elbow flexion at 50% 1 RM) both with (OCC) and without vascular occlusion (CON) on neuromuscular changes in the elbow flexors of eight previously untrained men [19.5 (0.4) years]. Following training, maximal voluntary dynamic strength increased (P<0.05) in OCC (22%) and CON (23%); however, isometric maximal voluntary contraction (MVC) strength increased in OCC only (8.3%, P<0.05). Motor unit activation, assessed by interpolated twitch, was high (~98%) in OCC and CON both pre- and post-training. Evoked resting twitch torque decreased 21% in OCC (P<0.05) but was not altered in CON. Training resulted in a reduction in the twitch:MVC ratio in OCC only (29%, P<0.01). Post-activation potentiation (PAP) significantly increased by 51% in OCC (P<0.05) and was not changed in CON. We conclude that low-intensity resistance training in combination with vascular occlusion produces an adequate stimulus for increasing muscle strength and causes changes in indices of neuromuscular function, such as depressed resting twitch torque and enhanced PAP.
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Metadaten
Titel
Neuromuscular adaptations in human muscle following low intensity resistance training with vascular occlusion
verfasst von
Daniel R. Moore
Kirsten A. Burgomaster
Lee M. Schofield
Martin J. Gibala
Digby G. Sale
Stuart M. Phillips
Publikationsdatum
01.08.2004
Verlag
Springer-Verlag
Erschienen in
European Journal of Applied Physiology / Ausgabe 4-5/2004
Print ISSN: 1439-6319
Elektronische ISSN: 1439-6327
DOI
https://doi.org/10.1007/s00421-004-1072-y

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