Pulsing or throbbing muscles. Pulsing or throbbing sensation

Pulsing or throbbing muscles. Pulsing or throbbing sensation: You may feel a pulsing sensation in one or more muscle groups or parts of the body. It may feel like a slow, mild, rhythmic pulsing or throbbing, or may feel like a rapid gentle tremor-like sensation, or a combination of these sensations.

They may occur rhythmically or sporadically, and can be of short duration or persist from day to day, or in any combination of.