License Image The erector spinae is made up of three long groups of muscles: the spinalis, the longissimus, and the iliocostalis.
Upper Back Muscles
License Image 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 shoulder joint. The trapezius and latissimus dorsi muscles connect the upper limb to the vertebral column. Both the deltoid and the trapezius are firmly attached to […]
Trapezius, Rhomboid, Levator
License Image The trapezius, rhomboid and levator muscles of the shoulder.
License Image The latissimus dorsi muscle of the back.