User:J02124742/sandbox

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The muscle I have chosen for my wiki page is the deltoid which is located near the shoulder and upper arm. The deltoid muscle is made up of three parts: acromial, spinal, and clavicular. The deltoid is a thick muscle that gives off the rounded lines a shoulder has and is known to be the major abductor of the arm.

Here is the deltoid muscle in action: https://www.youtube.com/watch?v=FSSGkYrYwqM

In this video you can see that the deltoid muscle is responsible for flexion, internal rotation, abduction, extension, and external rotation of the arm and shoulder.

Cite error: There are <ref> tags on this page without content in them (see the help page). “11.5 Muscles of the Pectoral Girdle and Upper Limbs - Anatomy and Physiology.” OpenStax, openstax.org/books/anatomy-and-physiology/pages/11-5-muscles-of-the-pectoral-girdle-and-upper-limbs.