The major muscles in the upper torso of the body include: Trapezius: This muscle extends across the neck, shoulder, and back. Rhomboid major: Attached to the shoulder blade, this muscle is one of many that aids shoulder movement. Infraspinatus: This rotator cuff muscle helps raise and lower the arm. Upper Body Muscle Anatomy Diagram - Chart - diagrams and charts with labels. This diagram depicts Upper Body Muscle Anatomy and explains the details of Upper Body Muscle Anatomy.
Upper Body Muscle Anatomy
