Effects of fatiguing isometric and isotonic exercise on resisted and unresisted reaction time components

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Deutscher übersetzter Titel:Auswirkungen von ermüdender isometrischer und isotoner Muskelarbeit auf eingeschränkte und uneingeschränkte Komponenten der Reaktionszeit
Autor:Morris, Alfred F.
Erschienen in:European journal of applied physiology
Veröffentlicht:37 (1977), 1, S. 1-11, Lit.
Format: Literatur (SPOLIT)
Publikationstyp: Zeitschriftenartikel
Medienart: Gedruckte Ressource Elektronische Ressource (online)
Sprache:Englisch
ISSN:1439-6319, 0301-5548
DOI:10.1007/BF00421593
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Erfassungsnummer:PU197904008880
Quelle:BISp

Abstract

Fractionated resisted and unresisted RT for a knee-extension task was assessed on 12 male subjects over a 10-day treatment period. The first 4 days were baseline days and were designed to stabilize all RT values as well as strength measures. For the next 6 days the subjects were alternately administered isometric and isotonic exercise designed to fatigue the quadriceps musculature. Although significant strength decrements were manifest for both isometric exercise (57 ) and isotonic exercise (35 ), no changes were shown in the unresisted fractionated RT components. Conversely all resisted RT changes weremanifested in the muscular component suggesting a peripheral site for neuromuscularfatigue. Verf.-Referat