Etymed
fasciculation
Definition
Fine, localized muscle twitching or fasciculation
Clinical context
A 28-year-old man presents with complaints of 'fluttering' in his eyelid and calf muscles that has been progressively worsening over the past 3 weeks. He denies any weakness or sensory symptoms, but notes that the twitching interferes with his sleep and daily activities. Physical examination reveals multiple fine, localized muscle twitches in the facial muscles and lower extremities without evidence of muscle weakness or atrophy.
Mnemonic
FASCICULATION - Fine, localized muscle twitching in the face, arms, and legs