The trapezius is the most superficial of the upper back muscles. In this video we discuss the anatomy, actions, insertion, origin, innervation and arterial supply of the trapezius muscle.

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Information in this video is derived from the public domain text 'Anatomy of the Human Body' by Henry Gray (1918).

#TrapeziusAnatomy

00:00 Intro
00:21 Origin
00:41 Insertion
01:08 Animated Actions
02:36 Innervation
02:48 Arterial Supply
03:03 Summary