Muscles of head and neck from "summary" of Bd Chaurasia's Human Anatomy, Volume 1 by B. D. Chaurasia
The muscles of the head and neck play a crucial role in various functions such as mastication, facial expression, speech, swallowing, and head movement. These muscles are classified into several groups based on their location and function. The muscles of mastication are responsible for the movement of the mandible during chewing. The masseter, temporalis, medial pterygoid, and lateral pterygoid muscles are the main muscles involved in this process. These muscles work together to produce the necessary force for chewing and grinding food. Facial expression muscles are responsible for the various facial expressions we make, such as smiling, frowning, and raising eyebrows. The muscles of facial expression include the frontalis, orbicularis oculi, orbicularis oris, zygomaticus, and buccinator mus...
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