nykäykset
Nykäykset is a Finnish plural noun meaning quick, sudden, jerky movements. It refers to brief muscle twitches or sharp jerks, and can also describe abrupt actions by a mechanism. The singular form is nykäys, and the verb nykiä or nykäistä means to yank or tug.
In everyday language, nykäykset describe small involuntary movements such as a finger twitch after waking, a
Medical usage: In clinical descriptions, nykäykset can refer to brief, involuntary contractions of muscles, a phenomenon
Etymology and form: The term derives from the Finnish verb nykiä/nykäistä, meaning to yank or pull. The
See also: Myoclonus, Tremor, Fasciculation, Finnish language references.