ArticleThe Journal of experimental biology2011
Mechanisms underlying rhythmic locomotion: dynamics of muscle activation.
Article in The Journal of experimental biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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
3 citing papers in PubMed.
- Biological clockwork underlying adaptive rhythmic movements.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
- Centrally patterned rhythmic activity integrated by a peripheral circuit linking multiple oscillators.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2012Article
- Mechanisms underlying rhythmic locomotion: interactions between activation, tension and body curvature waves.The Journal of experimental biology · 2012Article
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Authors and funding
4 authors.
Funding
Abstract
We have studied the dynamical properties of tension development in leech longitudinal muscle during swimming. A new method is proposed for modeling muscle properties under functionally relevant conditions where the muscle is subjected to both periodic activation and rhythmic length changes. The 'dual-sinusoid' experiments were conducted on preparations of leech nerve cord and body wall. The longitudinal muscle was activated periodically by injection of sinusoidal currents into an identified motoneuron. Simultaneously, sinusoidal length changes were imposed on the body wall with prescribed phase differences (12 values equally spaced over 2π radians) with respect to the current injection. Through the singular value decomposition of appropriately constructed tension data matrices, the leech muscle was found to have a multiplicative structure in which the tension was expressed as the product of activation and length factors. The time courses of activation and length factors were determined from the tension data and were used to develop component models. The proposed modeling method is a general one and is applicable to contractile elements for which the effects of series elasticity are negligible.
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Registered trials
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