Scalene muscles: origins, insertions, innervation and actions (preview) - Human Anatomy | Kenhub

Описание: In the full version of this video tutorial, we will explore the scalene muscles, which are a group of 3 muscles found on the lateral neck. Continue watching the full video here: https://khub.me/6xik6

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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 are subdivided into:
Scalenus anterior muscle: the anterior scalene muscle runs from the anterior tubercula of the transverse processes of the 3rd to 6th cervical vertebrae to the first rib.

Scalenus medius muscle: the middle scalene muscle originates at the posterior tubercula of the transverse processes of the 3rd to 7th cervical vertebrae and inserts at the first rib dorsally to the scalenus anterior muscle.

Scalenus posterior muscle: the posterior scalene muscle has its origin at the posterior tubercula of the transverse processes of the 5th to 7th cervical vertebrae and its insertion at the second rib.

On the full version of this tutorial, we will be covering the origins, insertions and functions of all scalene muscles in great detail.

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Read more on the anatomy of the scalene muscles on this article https://khub.me/mo6w2

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