抽筋
Vellication \Vel`li*ca"tion\, [L. vellicatio.] 1. The act of twitching, or of causing to twitch. 2. (Med.) A local twitching, or convulsive motion, of a muscular fiber, especially of the face.
vellication n : a sudden muscle spasm; especially one caused by a nervous condition [syn: {twitch}, {twitching}]