jerking motion
[/ˈdʒɜːrkɪŋ ˈmoʊʃən/]
nounpl: jerking motions
movimento brusco
1. A sudden, abrupt, and often involuntary movement characterized by a quick pulling or twitching action
The car came to a stop with a jerking motion that threw passengers forward.
O carro parou com um movimento brusco que arremessou os passageiros para frente.
2. A spasmodic or convulsive movement of the body or limbs
She woke up with a jerking motion of her leg.
Ela acordou com um movimento brusco da perna.
3. An irregular, stuttering movement lacking smoothness or continuity
The old machine operated with a jerking motion.
A máquina antiga funcionava com movimentos bruscos.
This term is commonly used in both American English and Brazilian Portuguese to describe mechanical failures, involuntary body movements, or sudden stops in transportation. In Brazil, 'movimento brusco' is the standard colloquial expression, while 'espasmódico' is preferred in medical or more formal settings. The concept is culturally relevant in discussions about vehicle safety and neurological conditions.
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