Platysma

This video tutorial discusses the platysma muscle, a superficial neck muscle involved in facial expressions. It covers the anatomy, function, and social role of the platysma, comparing its function in humans and animals. The video also explains the muscle's innervation by the facial nerve and its clinical significance. Additional resources for further learning are provided.

What is the anatomical location of the platysma muscle?

How does the platysma muscle contribute to facial expressions?

What role does the platysma play in social behavior, particularly in elderly individuals?

In what way does the platysma muscle differ in function between humans and animals?

What are the consequences of damage to the platysma muscle?