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Content: sketch, drawing, figure drawing, anatomy, muscles

People: 2

Environment:

Lighting:

Perspective: side view, front view

Keywords: arm muscles, arm anatomy, how to draw arms

What is in the image: this is a sketch showing the anatomy of arm muscles, particularly how the muscles look in different arm positions.

WDTagged Character:

WDTagged Tags: white background, simple background, korean text, 1boy, monochrome, upper body, sketch, male focus