a sudden and involuntary muscle contraction that can be minor, like a twitch or sudden like a convulsion. It can be continuous or alternating. It may be restricted to a particular body part.

SPASM: "The hiccups is an example of an alternating spasm."
Cite this page: N., Pam M.S., "SPASM," in, April 13, 2013, (accessed October 17, 2021).