Rippling muscle disease may be caused by "silent" action potentials in the tubular system of skeletal muscle fibers.

Abstract excerpt

Rippling muscle disease (RMD) is a generally benign, myotonic-like myopathy associated with rapid rolling contractions and percussion-induced contractions. These contractions are electrically silent in electromyographic recordings, which is taken as evidence that action potentials are not involved in the phenomena. The pathophysiological mechanisms underlying the symptoms have not been elucidated. Many cases of...

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