| Literature DB >> 17286272 |
Leonid G Ermilov1, Carlos B Mantilla, Katharine L Rowley, Gary C Sieck.
Abstract
The safety factor (SF) for neuromuscular transmission varies across limb muscles of different fiber-type composition. Using intracellular recordings in rat diaphragm fibers, we found that SF varies across muscle fiber types (even within a single muscle), being larger for type IIx or IIb fibers than for type I or IIa fibers. Fiber-type differences in activation history or mechanical load may contribute to differences in SF and are important determinants of neuromuscular plasticity.Entities:
Mesh:
Year: 2007 PMID: 17286272 DOI: 10.1002/mus.20751
Source DB: PubMed Journal: Muscle Nerve ISSN: 0148-639X Impact factor: 3.217