platysma muscle
MUSCLE | platysma |
---|---|
Alias | |
ACTION | Mandible:
Lower lip:
Tenses skin of neck |
Origin | Superior thorax between cartilage of 2nd rib and acromion of scapula |
Insertion | Mandible and skin of cheek |
Innervation | Facial nerve |
Nerve Root | CN VII |
Artery | branches of the Submental artery and Suprascapular artery |
External links
- Platysma muscle, Wikipedia, at https://en.wikipedia.org/wiki/Platysma_muscle
References
- ↑ Martini, F.H., Nath, J.L., & Bartholomew, E.F. (2015). Fundamentals of Anatomy and Physiology, Tenth Edition, CA: Pearson.
- ↑ Tortora, G.J. & Derrickson, B. (2017), Principles of ANATOMY & PHYSIOLOGY, 15th Edition. NJ: Wiley.
- ↑ http://www.anatomyexpert.com/
- ↑ Wikipedia http://www.wikipedia.org/