The deltoid is a large and powerful shoulder muscle. Learn more about origin, insertion, innervation, and functions of the shoulder muscles in this quiz at Kenhub: https://khub.me/ljbwg
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The deltoid muscle is one of the most prominent muscles of the shoulder and arm. It is innervated by the axillary nerve from the brachial plexus and plays an important role in various movements in the shoulder joint.
Its three parts (clavicular, acromial and spinal) originate from their respective bones and they all insert at the deltoid tuberosity at the lateral shaft of the humerus.
In this video tutorial are going to talk about the most important anatomy facts about the deltoid muscle, including origin, insertion, innervation and functions of the different parts of this muscle:
- 0:38 origin and insertion of the clavicular part
- 1:04 origin and insertion of the acromial part
- 1:36 origin and insertion of the spinal part
- 2:16 innervation by the axillary nerve
- 2:44 relations of the deltoid muscle to the cephalic vein
- 3:28 synergistic and antagonistic movements and actions
- 4:20 functions of the three parts of the deltoid muscle
Want to test your knowledge on the shoulder muscles? Take this quiz: https://khub.me/ljbwg
Read more on the upper limb muscles and movements in this summary, giving a brief overview about every muscle you need to know, when talking about the movements of the upper extremity: https://khub.me/0ws0o
For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to https://khub.me/4k0ih