Zygomaticus minor muscle
|Muscles of the head, face, and neck.|
|Insertion:||skin of the upper lip|
|Nerve:||facial nerve, buccal branch|
|Action:||elevates upper lip|
The zygomaticus minor is a muscle of facial expression. It originates on the zygomatic bone and then inserts on the upper lip. It raises the corners of the mouth and is thus used in smiling. Like all muscles of facial expression, it is innervated by the facial nerve (CN VII).