Triceps Brachii Anatomy: Origin, Insertion & Action 

⭐ Triceps brachii muscle anatomy (triceps muscle) ⭐
💪 Long head origin: Infraglenoid tubercle of scapula
💪 Lateral head origin: Above the radial groove
💪 Medial head origin: Below the radial groove
💪 Insertion: Olecranon process of ulna
💪 Action (all heads): Extension of elbow.
💪 Long head actions: Adduction and extension of the arm at the shoulder joint
💪 Innervation: Radial nerve
💪 Artery: Deep brachial artery. Long head: posterior circumflex humeral artery
Chapters:
0:00 - Intro
0:15 - Location of the triceps's heads
0:38 - Insertion
0:54 - Triceps long head origin
1:05 - Triceps lateral head origin
1:28 - Triceps medial head origin
1:47 - Triceps brachii actions overview
2:11 - Muscle action extension (elbow)
2:19 - Muscle action adduction (humerus)
2:56 - Muscle action extension (shoulder)
3:30 - Outro
3:38 - Triceps brachii origin, insertion & action summary 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 triceps brachii muscle muscle can be found at:
bodyworksprime.com/triceps-br...
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