Limb immobilization of rat plantaris muscle in the stretched position for 3 weeks led to increased postsynaptic areas of junctional folds and clefts per nerve terminals in both type I and type II muscle fibers. In addition, various ultrastructural alterations were evident in both types of end plates.

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http://dx.doi.org/10.1016/0014-4886(86)90121-4DOI Listing

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