Upper Back Muscles Diagram / Mio Guide Lower Back Pain Guide - The deltoid, teres major, teres minor, infraspinatus, supraspinatus (not shown) and subscapularis muscles (not shown) all extend from the scapula to the humerus and act on the trapezius and latissimus dorsi muscles connect the upper limb to the vertebral column.

Upper Back Muscles Diagram / Mio Guide Lower Back Pain Guide - The deltoid, teres major, teres minor, infraspinatus, supraspinatus (not...

Back Muscle Diagram / Back Muscles : Human muscle system, the muscles of the human body that work the skeletal system, that are under voluntary control, and that are concerned with movement, posture, and balance.

Back Muscle Diagram / Back Muscles : Human muscle system, the muscles of the human body that work the skeletal system, that are under v...