Which muscle compresses lips and puckers lips (kissing muscle)?

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Study for the Muscle Actions and Functions – Anatomy and Movement Test. Equip yourself with multiple choice questions, each with detailed explanations and hints. Prepare confidently for your exam!

Multiple Choice

Which muscle compresses lips and puckers lips (kissing muscle)?

Explanation:
The action of compressing and puckering the lips is produced by a circular muscle that surrounds the mouth, functioning as a sphincter. This muscle is the orbicularis oris. When it contracts, the lips are pressed together and protruded, creating the puckered, kissing position. It seals the oral opening and helps shape movements like whistling and kissing. The other muscles listed perform different roles: orbicularis oculi closes the eyelids; frontalis elevates the eyebrows; zygomaticus major elevates the corners of the mouth for smiling, not for puckering.

The action of compressing and puckering the lips is produced by a circular muscle that surrounds the mouth, functioning as a sphincter. This muscle is the orbicularis oris. When it contracts, the lips are pressed together and protruded, creating the puckered, kissing position. It seals the oral opening and helps shape movements like whistling and kissing.

The other muscles listed perform different roles: orbicularis oculi closes the eyelids; frontalis elevates the eyebrows; zygomaticus major elevates the corners of the mouth for smiling, not for puckering.

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