ArticleJournal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology2003
Effects of fatigue on the catchlike property in a turtle hindlimb muscle.
Article in Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Intramuscular stimulation of tibialis anterior in human subjects: the effects of discharge variability on force production and fatigue.Physiological reports · 2017Article
- Microstimulation of single human motor axons in the toe extensors: force production during long-lasting trains of irregular and regular stimuli.Physiological reports · 2017Article
- Respiratory-related discharge of genioglossus muscle motor units.American journal of respiratory and critical care medicine · 2005Article
- Resistance to disuse atrophy in a turtle hindlimb muscle.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2004Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
The purpose of this report was to test for the possibility that a catchlike, force-enhancing property, attributable to a particular stimulation pattern, could be evoked in non-mammalian turtle muscle, just as it has been shown in mammalian muscle. We tested for the presence of this property in dynamic lengthening and shortening contractions, as well as in the more commonly studied isometric contractions. A second aim was to note the effects of fatigue on the catchlike property, if the latter was present. The force response of the external gastrocnemius muscle in the adult turtle, Pseudemys ( Trachemys) scripta elegans, was compared for a control, constant-frequency 10 Hz, 1-s duration stimulation pattern using 0.1-ms pulses vs. the same pattern, but with two additional pulses within the first 100-ms interspike interval of the control stimulus train. This latter train produced a pronounced and prolonged enhancement of muscle force, which was attributed to a catchlike effect. It was greatly increased when the muscle was in a fatigued state. The extent of this force enhancement was significantly different for the three contraction types, and generally in the order: isometric>lengthening>shortening contraction. These differences were greater in fatigued vs. fresh muscle. Comparative aspects and potential mechanisms underlying the catchlike effect are discussed.
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Registered trials
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