Scalene Muscles of the Neck - Human Anatomy | Kenhub

Want to learn about the scalene muscles of the neck? In this video, we cover the scalene muscles function, location and innervation. Think you’ve got it? Test yourself with this quiz! https://khub.me/n1ugc

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The scalene muscles (Latin: “ladder”) are three paired cervical muscles running from the cervical vertebrae to the upper two ribs. Hereby they form a roof over the pleura and the upper thorax. The innervation is carried by direct branches of the cervical and brachial plexuses (C3-6).

The scalene muscles have three main functions. First, they elevate the ribs and by association the thorax, making them an accessory muscle of inspiration. Second, the scalene muscles are involved in lateral flexion of the cervical spine. Last, the scalene muscles are also involved in ventral flexion - that is, bending the cervical spine towards the front of the body.

In this video about the scalene muscles, we cover:

0:10 Scalene muscles definition
0:26 Innervation of the scalene muscles
0:37 Anterior scalene muscle overview
1:13 Middle scalene muscle overview
1:37 Posterior scalene muscle overview
2:05 The interscalene triangle
2:29 Function of the scalene muscles

Want to test your knowledge on the scalene muscles? Take this quiz: https://khub.me/n1ugc

Read more in this article, where we explore the scalene muscles in even more detail, including a section on some relevant and fascinating clinical notes: https://khub.me/01ctz

For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to https://khub.me/2em72!

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