Platysma

The video tutorial explores the platysma muscle, detailing its anatomy, function, and role in facial expressions. It highlights the muscle's superficial nature, its attachment to the skin, and its significance in human social behavior. The tutorial also discusses the platysma's function in animals, particularly in horses, and explains its innervation by the facial nerve. Damage to the platysma can lead to facial paralysis.

What is the anatomical location and extent of the platysma muscle?

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How does the platysma contribute to facial expressions?

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What happens to the platysma with age and how does it affect the neck?

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

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What are the consequences of damage to the platysma?

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