Human Upper Back Anatomy Diagram - Posture and Muscle Outline #1660388 (License: Personal Use)

This black-and-white line drawing depicts the posterior view of the human upper torso, emphasizing the scapular region, trapezius contours, and arm attachment points. The clean, unshaded style makes it ideal for educational diagrams, physical therapy materials, or ergonomic guides where clarity is essential. No facial or lower-body features are included, focusing solely on structural form and symmetry.

Commonly used in medical textbooks, physiotherapy websites, yoga or fitness instruction pages, and posture correction resources; targets users seeking visual aids for anatomy learning, body awareness, or clinical reference.