Assessment of size ordered recruitment

The literature on this topic is well summarized in a recent review by Heckman and Enoka (2012). Since the publication of Henneman's seminal paper in 1957, publications on this topic have steadily accumulated. [...]the anatomically defined motoneuron pools may not always coincide with the group...

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Bibliographic Details
Published in:Frontiers in human neuroscience 2014-07, Vol.8, p.532-532
Main Authors: Bawa, Parveen N S, Jones, Kelvin E, Stein, Richard B
Format: Article
Language:English
Subjects:
Human Experimentation
Hypotheses
Motor neurons
Motor Unit Recruitment
Movement
Muscle Contraction
Nervous system
Neuroscience
Physiology
Recruitment
size principle
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Summary:The literature on this topic is well summarized in a recent review by Heckman and Enoka (2012). Since the publication of Henneman's seminal paper in 1957, publications on this topic have steadily accumulated. [...]the anatomically defined motoneuron pools may not always coincide with the group of motoneurons being excited for a particular task; the precision of rank-ordered recruitment suggested from reduced animal preparations (Henneman et al., 1974) may not be that precise in a noisy physiological system (Stein et al., 2005). [...]empirical evidence from a number of laboratories failed to support the hypothesis of selective recruitment in these conditions (reviewed by Heckman and Enoka, 2012). The challenge for the field is to measure size and recruitment order, over relevant ranges of force during ecologically valid behavior (Jones et al., 1994). [...]this is done, the question remains whether the laboratory defined size
ISSN:1662-5161
1662-5161
DOI:10.3389/fnhum.2014.00532