Definition, Meaning & Synonyms

involuntary contraction

Noun
/ˌɪnvəˈlænˈtɛri kənˈtrækʃən/
Definition
A spontaneous and unintentional tightening of a muscle without conscious control.
Examples
  • During a sudden scare, my body experienced an involuntary contraction of the muscles, causing me to jump.
  • People with certain neurological disorders may suffer from frequent involuntary contractions in their limbs.
Meaning
Involuntary contraction refers to muscle movements that occur automatically, often without a person’s deliberate effort or awareness. This can happen in various contexts, such as during reflex actions or certain medical conditions.
Synonyms
  • Spasms
  • Cramp
  • Twitching
  • Seizures
  • Muscle spasm