⭐ Deltoid muscle anatomy ⭐
Anterior head origin: Lateral third of the clavicle
Lateral head origin: Acromion
Posterior head origin: Spine of scapula
Insertion: Deltoid tuberosity of humerus
Actions: Shoulder flexion, shoulder extension, shoulder abduction, medial & lateral rotation of arm
Innervation: Axillary nerve
Artery: Thoracoacromial artery, anterior and posterior humeral circumflex artery

Chapters:
0:00 Intro
0:16 Anterior deltoid location
0:22 Lateral deltoid location
0:25 Posterior deltoid location
0:27 What is the medial head of deltoid?
0:49 Anterior deltoid origin
0:58 Lateral deltoid origin
1:03 Posterior deltoid origin
1:10 Deltoid insertion
1:27 Deltoid muscle actions overview
1:50 Anterior deltoid actions
2:24 Lateral deltoid actions
2:43 Posterior deltoid actions
3:23 Outro
3:37 Deltoid origin, insertion & action overview image

⭐ If you would like some help memorising this information. Be sure to check out the free muscle study flashcards on bodyworksprime.com

⭐ More details about the deltoid muscle can be found at:
https://bodyworksprime.com/deltoid/

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