In a _____, the cheek muscles are pulled back, and the muscles around the eyes also contract.

Question

Quizplus · Accepted Answer

The description provided matches the features of a Duchenne smile. This involuntary smile involves the contraction of both the zygomatic major muscle (in the cheeks) and the orbicularis oculi muscle (around the eyes), resulting in the appearance of "crow's feet". Madonna and De Vinci smiles are not commonly recognized terms, and the Mona Lisa smile is often described as subtle or enigmatic rather than involving the contraction of specific facial muscles.

In a _____, the Cheek Muscles Are Pulled Back, and the Muscles