Shrug

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A shrug is a form of nonverbal communication that is performed by lifting both shoulders up, and is an indication of an individual either not knowing an answer to a question, or not caring about a result. It may be accentuated with raised eyebrows and/or an exaggerated frown. Shrugging is derived from the act of weighing two objects in one's hands, a process instinctively used by humans to compare weight based on which object requires more normal force from one's hand to accelerate upward against gravity. Since a shrug indicates that the subject does not know the answer to a question, it would imply that they were weighing the matter between their hands.[citation needed] A shrug merely involving the shoulders is a lazy form of the full shrug, which involves both shoulders and hands with palms facing upward.

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